Docol® Tube 590DP

General Product Description

Docol®Tube 590DP is high-strength formable precision tube made from dual-phase steel with high tensile strength and very good formability. Available in circular, rectangular and square shapes, it comes with different coating and surface options including cold rolled (uncoated), galvanized, galvannealed and galfan. Customized shapes and other tailoring options are available upon request. Typically used in automotive industry where durability, formability and energy absorption are important.

Dimension Range

Docol Tube 590DP is available in circular, square and rectangular shapes.

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Shapes	Dimensions
Circular (mmin)	16 - 88.90.63 - 3.50
Square (mmin)	19x19 - 60x60
Rectangular (mmin)	25x15 - 100x40
Wall thickness (mmin)	1.0 - 2.00.039 - 0.079
Mill length (mm)	6000

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Dimensions

Shapes

Circular (mmin)

Dimensions

16 - 88.90.63 - 3.50

Shapes

Square (mmin)

Dimensions

19x19 - 60x60

Shapes

Rectangular (mmin)

Dimensions

25x15 - 100x40

Shapes

Wall thickness (mmin)

Dimensions

1.0 - 2.00.039 - 0.079

Shapes

Mill length (mm)

Dimensions

6000

Other shapes, sizes and lengths are available upon request.

Circular Dimensions

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Outer diameter (mmin)	1.0 mm (kg/m)	1.25 mm (kg/m)	1.5 mm (kg/m)	2.0 mm (kg/m)
160.63	0.370	0.455	0.536	—
180.71	0.419	0.516	0.610	—
190.75	0.444	0.547	0.647	0.838
200.79	0.469	0.578	0.684	0.888
220.87	0.518	0.640	0.758	0.986
250.98	0.592	0.732	0.869	1.13
281.1	0.666	0.825	0.980	1.28
301.2	0.715	0.886	1.05	1.38
321.3	0.765	0.948	1.13	1.48
351.4	0.838	1.04	1.24	1.63
361.4	0.86	1.07	1.28	1.68
381.5	0.912	1.13	1.35	1.78
401.6	0.962	1.20	1.42	1.87
411.6	0.990	1.22	1.46	1.92
44.51.75	—	1.32	1.58	2.07
481.9	—	1.44	1.72	2.27
502.0	—	1.50	1.79	2.37
552.2	—	1.66	1.98	2.61
572.2	—	—	2.05	2.71
602.4	—	—	2.16	2.86
763.0	—	—	2.76	3.65
88.93.50	—	—	—	4.29

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1.0 mm (kg/m)

1.25 mm (kg/m)

1.5 mm (kg/m)

2.0 mm (kg/m)

Outer diameter (mmin)

160.63

1.0 mm (kg/m)

0.370

1.25 mm (kg/m)

0.455

1.5 mm (kg/m)

0.536

2.0 mm (kg/m)

—

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Outer diameter (mmin)

180.71

1.0 mm (kg/m)

0.419

1.25 mm (kg/m)

0.516

1.5 mm (kg/m)

0.610

2.0 mm (kg/m)

—

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Outer diameter (mmin)

190.75

1.0 mm (kg/m)

0.444

1.25 mm (kg/m)

0.547

1.5 mm (kg/m)

0.647

2.0 mm (kg/m)

0.838

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Outer diameter (mmin)

200.79

1.0 mm (kg/m)

0.469

1.25 mm (kg/m)

0.578

1.5 mm (kg/m)

0.684

2.0 mm (kg/m)

0.888

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Outer diameter (mmin)

220.87

1.0 mm (kg/m)

0.518

1.25 mm (kg/m)

0.640

1.5 mm (kg/m)

0.758

2.0 mm (kg/m)

0.986

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Outer diameter (mmin)

250.98

1.0 mm (kg/m)

0.592

1.25 mm (kg/m)

0.732

1.5 mm (kg/m)

0.869

2.0 mm (kg/m)

1.13

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Outer diameter (mmin)

281.1

1.0 mm (kg/m)

0.666

1.25 mm (kg/m)

0.825

1.5 mm (kg/m)

0.980

2.0 mm (kg/m)

1.28

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Outer diameter (mmin)

301.2

1.0 mm (kg/m)

0.715

1.25 mm (kg/m)

0.886

1.5 mm (kg/m)

1.05

2.0 mm (kg/m)

1.38

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Outer diameter (mmin)

321.3

1.0 mm (kg/m)

0.765

1.25 mm (kg/m)

0.948

1.5 mm (kg/m)

1.13

2.0 mm (kg/m)

1.48

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Outer diameter (mmin)

351.4

1.0 mm (kg/m)

0.838

1.25 mm (kg/m)

1.04

1.5 mm (kg/m)

1.24

2.0 mm (kg/m)

1.63

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Outer diameter (mmin)

361.4

1.0 mm (kg/m)

0.86

1.25 mm (kg/m)

1.07

1.5 mm (kg/m)

1.28

2.0 mm (kg/m)

1.68

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Outer diameter (mmin)

381.5

1.0 mm (kg/m)

0.912

1.25 mm (kg/m)

1.13

1.5 mm (kg/m)

1.35

2.0 mm (kg/m)

1.78

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Outer diameter (mmin)

401.6

1.0 mm (kg/m)

0.962

1.25 mm (kg/m)

1.20

1.5 mm (kg/m)

1.42

2.0 mm (kg/m)

1.87

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Outer diameter (mmin)

411.6

1.0 mm (kg/m)

0.990

1.25 mm (kg/m)

1.22

1.5 mm (kg/m)

1.46

2.0 mm (kg/m)

1.92

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Outer diameter (mmin)

44.51.75

1.0 mm (kg/m)

—

1.25 mm (kg/m)

1.32

1.5 mm (kg/m)

1.58

2.0 mm (kg/m)

2.07

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Outer diameter (mmin)

481.9

1.0 mm (kg/m)

—

1.25 mm (kg/m)

1.44

1.5 mm (kg/m)

1.72

2.0 mm (kg/m)

2.27

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Outer diameter (mmin)

502.0

1.0 mm (kg/m)

—

1.25 mm (kg/m)

1.50

1.5 mm (kg/m)

1.79

2.0 mm (kg/m)

2.37

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Outer diameter (mmin)

552.2

1.0 mm (kg/m)

—

1.25 mm (kg/m)

1.66

1.5 mm (kg/m)

1.98

2.0 mm (kg/m)

2.61

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Outer diameter (mmin)

572.2

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.05

2.0 mm (kg/m)

2.71

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Outer diameter (mmin)

602.4

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.16

2.0 mm (kg/m)

2.86

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Outer diameter (mmin)

763.0

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.76

2.0 mm (kg/m)

3.65

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Outer diameter (mmin)

88.93.50

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

—

2.0 mm (kg/m)

4.29

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Square Dimensions

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Height x Width (mm)	1.0 mm (kg/m)	1.25 mm (kg/m)	1.5 mm (kg/m)	2.0 mm (kg/m)
19 x 19	0.545	0.665	0.779	—
20 x 20	0.576	0.704	0.826	—
25 x 25	0.733	0.901	1.06	1.36
30 x 30	0.890	1.10	1.30	1.68
32 x 32	0.953	1.18	1.39	1.80
35 x 35	1.05	1.29	1.53	1.99
40 x 40	—	—	1.77	2.31
50 x 50	—	—	2.24	2.93
60 x 60	—	—	2.71	3.56

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1.0 mm (kg/m)

1.25 mm (kg/m)

1.5 mm (kg/m)

2.0 mm (kg/m)

Height x Width (mm)

19 x 19

1.0 mm (kg/m)

0.545

1.25 mm (kg/m)

0.665

1.5 mm (kg/m)

0.779

2.0 mm (kg/m)

—

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Height x Width (mm)

20 x 20

1.0 mm (kg/m)

0.576

1.25 mm (kg/m)

0.704

1.5 mm (kg/m)

0.826

2.0 mm (kg/m)

—

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Height x Width (mm)

25 x 25

1.0 mm (kg/m)

0.733

1.25 mm (kg/m)

0.901

1.5 mm (kg/m)

1.06

2.0 mm (kg/m)

1.36

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Height x Width (mm)

30 x 30

1.0 mm (kg/m)

0.890

1.25 mm (kg/m)

1.10

1.5 mm (kg/m)

1.30

2.0 mm (kg/m)

1.68

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Height x Width (mm)

32 x 32

1.0 mm (kg/m)

0.953

1.25 mm (kg/m)

1.18

1.5 mm (kg/m)

1.39

2.0 mm (kg/m)

1.80

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Height x Width (mm)

35 x 35

1.0 mm (kg/m)

1.05

1.25 mm (kg/m)

1.29

1.5 mm (kg/m)

1.53

2.0 mm (kg/m)

1.99

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Height x Width (mm)

40 x 40

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

1.77

2.0 mm (kg/m)

2.31

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Height x Width (mm)

50 x 50

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.24

2.0 mm (kg/m)

2.93

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Height x Width (mm)

60 x 60

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.71

2.0 mm (kg/m)

3.56

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Rectangular Dimensions

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Height x Width (mm)	1.0 mm (kg/m)	1.25 mm (kg/m)	1.5 mm (kg/m)	2.0 mm (kg/m)
25 x 15	0.576	0.704	0.826	—
30 x 10	0.576	0.704	0.826	—
30 x 15	0.655	0.802	0.944	1.21
30 x 20	0.733	0.901	1.06	1.36
30 x 25	0.785	0.999	1.18	1.52
35 x 15	0.733	0.901	1.06	—
35 x 20	0.812	0.999	1.18	1.52
40 x 10	0.733	0.901	1.06	1.36
40 x 20	0.890	1.10	1.30	1.68
40 x 25	0.969	1.20	1.42	1.84
40 x 30	1.05	1.29	1.53	1.99
45 x 15	0.890	1.10	1.30	1.68
50 x 20	1.05	1.29	1.53	1.99
50 x 25	—	1.39	1.65	2.15
50 x 30	—	1.49	1.77	2.31
50 x 40	—	1.69	2.00	2.62
60 x 20	—	1.49	1.77	2.31
60 x 30	—	1.69	2.00	2.62
60 x 40	—	—	2.24	2.93
70 x 25	—	—	2.12	2.78
70 x 30	—	—	2.24	2.93
70 x 50	—	—	2.71	3.56
80 x 20	—	—	2.24	2.93
80 x 40	—	—	2.71	3.56

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1.0 mm (kg/m)

1.25 mm (kg/m)

1.5 mm (kg/m)

2.0 mm (kg/m)

Height x Width (mm)

25 x 15

1.0 mm (kg/m)

0.576

1.25 mm (kg/m)

0.704

1.5 mm (kg/m)

0.826

2.0 mm (kg/m)

—

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Height x Width (mm)

30 x 10

1.0 mm (kg/m)

0.576

1.25 mm (kg/m)

0.704

1.5 mm (kg/m)

0.826

2.0 mm (kg/m)

—

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Height x Width (mm)

30 x 15

1.0 mm (kg/m)

0.655

1.25 mm (kg/m)

0.802

1.5 mm (kg/m)

0.944

2.0 mm (kg/m)

1.21

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Height x Width (mm)

30 x 20

1.0 mm (kg/m)

0.733

1.25 mm (kg/m)

0.901

1.5 mm (kg/m)

1.06

2.0 mm (kg/m)

1.36

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Height x Width (mm)

30 x 25

1.0 mm (kg/m)

0.785

1.25 mm (kg/m)

0.999

1.5 mm (kg/m)

1.18

2.0 mm (kg/m)

1.52

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Height x Width (mm)

35 x 15

1.0 mm (kg/m)

0.733

1.25 mm (kg/m)

0.901

1.5 mm (kg/m)

1.06

2.0 mm (kg/m)

—

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Height x Width (mm)

35 x 20

1.0 mm (kg/m)

0.812

1.25 mm (kg/m)

0.999

1.5 mm (kg/m)

1.18

2.0 mm (kg/m)

1.52

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Height x Width (mm)

40 x 10

1.0 mm (kg/m)

0.733

1.25 mm (kg/m)

0.901

1.5 mm (kg/m)

1.06

2.0 mm (kg/m)

1.36

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Height x Width (mm)

40 x 20

1.0 mm (kg/m)

0.890

1.25 mm (kg/m)

1.10

1.5 mm (kg/m)

1.30

2.0 mm (kg/m)

1.68

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Height x Width (mm)

40 x 25

1.0 mm (kg/m)

0.969

1.25 mm (kg/m)

1.20

1.5 mm (kg/m)

1.42

2.0 mm (kg/m)

1.84

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Height x Width (mm)

40 x 30

1.0 mm (kg/m)

1.05

1.25 mm (kg/m)

1.29

1.5 mm (kg/m)

1.53

2.0 mm (kg/m)

1.99

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Height x Width (mm)

45 x 15

1.0 mm (kg/m)

0.890

1.25 mm (kg/m)

1.10

1.5 mm (kg/m)

1.30

2.0 mm (kg/m)

1.68

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Height x Width (mm)

50 x 20

1.0 mm (kg/m)

1.05

1.25 mm (kg/m)

1.29

1.5 mm (kg/m)

1.53

2.0 mm (kg/m)

1.99

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Height x Width (mm)

50 x 25

1.0 mm (kg/m)

—

1.25 mm (kg/m)

1.39

1.5 mm (kg/m)

1.65

2.0 mm (kg/m)

2.15

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Height x Width (mm)

50 x 30

1.0 mm (kg/m)

—

1.25 mm (kg/m)

1.49

1.5 mm (kg/m)

1.77

2.0 mm (kg/m)

2.31

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Height x Width (mm)

50 x 40

1.0 mm (kg/m)

—

1.25 mm (kg/m)

1.69

1.5 mm (kg/m)

2.00

2.0 mm (kg/m)

2.62

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Height x Width (mm)

60 x 20

1.0 mm (kg/m)

—

1.25 mm (kg/m)

1.49

1.5 mm (kg/m)

1.77

2.0 mm (kg/m)

2.31

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Height x Width (mm)

60 x 30

1.0 mm (kg/m)

—

1.25 mm (kg/m)

1.69

1.5 mm (kg/m)

2.00

2.0 mm (kg/m)

2.62

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Height x Width (mm)

60 x 40

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.24

2.0 mm (kg/m)

2.93

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Height x Width (mm)

70 x 25

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.12

2.0 mm (kg/m)

2.78

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Height x Width (mm)

70 x 30

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.24

2.0 mm (kg/m)

2.93

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Height x Width (mm)

70 x 50

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.71

2.0 mm (kg/m)

3.56

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Height x Width (mm)

80 x 20

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.24

2.0 mm (kg/m)

2.93

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Height x Width (mm)

80 x 40

1.0 mm (kg/m)

—

1.25 mm (kg/m)

—

1.5 mm (kg/m)

2.71

2.0 mm (kg/m)

3.56

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Mechanical Properties

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	Yield strength R_p0.2 (min MPa)	Tensile strength R_m (min MPa)	Elongation A (min %)
CR500Y590T-DP	500	590	12
CR500Y590T-DH	500	590	20

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Tensile strength R_m
(min MPa)

Elongation A
(min %)

CR500Y590T-DP

Yield strength R_p0.2
(min MPa)

500

Tensile strength R_m
(min MPa)

590

Elongation A
(min %)

12

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CR500Y590T-DH

Yield strength R_p0.2
(min MPa)

500

Tensile strength R_m
(min MPa)

590

Elongation A
(min %)

20

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Chemical Composition (ladle analysis)

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	C (max %)	Si (max %)	Mn (max %)	P (max %)	S (max %)	Nb+Ti (max %)	Cr+Mo (max %)	B (max %)	Cu (max %)
CR500Y590T-DP	0.15	0.80	2.50	0.050	0.010	0.15	1.40	0.005	0.20
CR500Y590T-DH	0.15	0.80	2.50	0.050	0.010	0.15	1.40	0.005	0.20

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Si
(max %)

Mn
(max %)

P
(max %)

S
(max %)

Nb+Ti
(max %)

Cr+Mo
(max %)

B
(max %)

Cu
(max %)

CR500Y590T-DP

C
(max %)

0.15

Si
(max %)

0.80

Mn
(max %)

2.50

P
(max %)

0.050

S
(max %)

0.010

Nb+Ti
(max %)

0.15

Cr+Mo
(max %)

1.40

B
(max %)

0.005

Cu
(max %)

0.20

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CR500Y590T-DH

C
(max %)

0.15

Si
(max %)

0.80

Mn
(max %)

2.50

P
(max %)

0.050

S
(max %)

0.010

Nb+Ti
(max %)

0.15

Cr+Mo
(max %)

1.40

B
(max %)

0.005

Cu
(max %)

0.20

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Chemical composition meets the requirements of VDA 239-100.

Tolerances

Tolerance Circular

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Characteristic	Circular precision tubes Tolerances based on the requirements of EN 10305-3
Outside diameter (D) ⁽¹ D < 20 mm 20 ≤ D < 32 mm 32 ≤ D < 44 mm 44 ≤ D < 55 mm 55 ≤ D < 70 mm 70 ≤ D < 80 mm 80 ≤ D < 100 mm	±0.12 mm ±0.15 mm ±0.20 mm ±0.25 mm ±0.30 mm ±0.35 mm ±0.40 mm
Out-of-roundness	The diameter tolerances include the out-of-roundness
Thickness (T)	T ≤ 1.5 mm: ±0.15 mm T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller
Straightness	Maximum 0.15% of measured length
Height of internal weld bead, g; Bead removed Bead not removed	g ≤ 0.3 mm g < 0.8 mm, when T ≤ 1.5 mm g < 0.6 x T, when 1.5 mm < T ≤ 3.0 mm
Mill length	0/+50 mm, standard length 6000 mm
Exact length, single cutting	Agreed at the time of enquiry and order
Exact length, bundle cutting	Agreed at the time of enquiry and order

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Circular precision tubes
Tolerances based on the requirements of EN 10305-3

Characteristic

Outside diameter (D) ⁽¹
D < 20 mm
20 ≤ D < 32 mm
32 ≤ D < 44 mm
44 ≤ D < 55 mm
55 ≤ D < 70 mm
70 ≤ D < 80 mm
80 ≤ D < 100 mm

Circular precision tubes
Tolerances based on the requirements of EN 10305-3

±0.12 mm
±0.15 mm
±0.20 mm
±0.25 mm
±0.30 mm
±0.35 mm
±0.40 mm

Characteristic

Out-of-roundness

Circular precision tubes
Tolerances based on the requirements of EN 10305-3

The diameter tolerances include the out-of-roundness

Characteristic

Thickness (T)

Circular precision tubes
Tolerances based on the requirements of EN 10305-3

T ≤ 1.5 mm: ±0.15 mm
T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller

Characteristic

Straightness

Circular precision tubes
Tolerances based on the requirements of EN 10305-3

Maximum 0.15% of measured length

Characteristic

Height of internal weld bead, g;
Bead removed
Bead not removed

Circular precision tubes
Tolerances based on the requirements of EN 10305-3

g ≤ 0.3 mm
g < 0.8 mm, when T ≤ 1.5 mm
g < 0.6 x T, when 1.5 mm < T ≤ 3.0 mm

Characteristic

Mill length

Circular precision tubes
Tolerances based on the requirements of EN 10305-3

0/+50 mm, standard length 6000 mm

Characteristic

Exact length, single cutting

Circular precision tubes
Tolerances based on the requirements of EN 10305-3

Agreed at the time of enquiry and order

Characteristic

Exact length, bundle cutting

Circular precision tubes
Tolerances based on the requirements of EN 10305-3

Agreed at the time of enquiry and order

¹⁾For a maximum distance of 100 mm, the ends may, due to the cutting method, have diameters outside the tolerances.

Tolerance Square

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Characteristic	Square precision tubes Tolerances meet or exceed the requirements of EN 10305-5
Outside dimensions (H) and (B), longer side¹⁾ H < 25 mm 25 ≤ H < 40 mm 40 ≤ H < 60 mm 60≤ H < 70 mm	±0.20 mm ±0.25 mm ±0.30 mm ±0.35 mm
Side concavity and convexity	Included in outside dimension tolerance
Thickness (T)	T≤ 1.5 mm: ±0.15 mm T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller
Straightness	Maximum 0.15% of measured tube length when shorter side length > 30 mm Maximum 0.25% of measured tube length when the shorter side length ≤ 30 mm
Location of weld seam from the centre line	On narrow side for square and rectangular, optionally on wide side. On wide side for flat oval and ellipse. ± 10% of side length or ± 3 mm, whichever is greater.
Height of internal weld bead, g; Bead removed Bead not removed	g ≤ 0.3 mm g < 0.8 mm, when T ≤ 1.5 mm g < 0.6 x T, when 1.5 mm < T ≤ 3.0 mm
Squareness of side	90° ±1°
Corner profile	R ≤ 3.0 x T, typically R ≤ 2.0 x T
Twist (V)	V ≤ 3 mm for B and H ≤ 30 mm V ≤ B/10 or ≤ H/10 for B or H > 30 mm
Mill length	0/+50 mm, standard length 6000 mm
Exact length, single cutting	Agreed at the time of enquiry and order
Exact length, bundle cutting	Agreed at the time of enquiry and order

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Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Characteristic

Outside dimensions (H) and (B), longer side¹⁾
H < 25 mm
25 ≤ H < 40 mm
40 ≤ H < 60 mm
60≤ H < 70 mm

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

±0.20 mm
±0.25 mm
±0.30 mm
±0.35 mm

Characteristic

Side concavity and convexity

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Included in outside dimension tolerance

Characteristic

Thickness (T)

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

T≤ 1.5 mm: ±0.15 mm
T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller

Characteristic

Straightness

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Maximum 0.15% of measured tube length when shorter side length > 30 mm
Maximum 0.25% of measured tube length when the shorter side length ≤ 30 mm

Characteristic

Location of weld seam from the centre line

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

On narrow side for square and rectangular, optionally on wide side. On wide side for flat oval and ellipse. ± 10% of side length or ± 3 mm, whichever is greater.

Characteristic

Height of internal weld bead, g;
Bead removed
Bead not removed

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

g ≤ 0.3 mm
g < 0.8 mm, when T ≤ 1.5 mm
g < 0.6 x T, when 1.5 mm < T ≤ 3.0 mm

Characteristic

Squareness of side

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

90° ±1°

Characteristic

Corner profile

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

R ≤ 3.0 x T, typically R ≤ 2.0 x T

Characteristic

Twist (V)

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

V ≤ 3 mm for B and H ≤ 30 mm
V ≤ B/10 or ≤ H/10 for B or H > 30 mm

Characteristic

Mill length

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

0/+50 mm, standard length 6000 mm

Characteristic

Exact length, single cutting

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Agreed at the time of enquiry and order

Characteristic

Exact length, bundle cutting

Square precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Agreed at the time of enquiry and order

¹⁾For a maximum distance of 100 mm, the ends may, due to the cutting method, have diameters outside the tolerances.

Tolerance Rectangular

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Characteristic	Rectangular precision tubes Tolerances meet or exceed the requirements of EN 10305-5
Outside dimensions (H) and (B), longer side¹⁾ H < 25 mm 25 ≤ H < 40 mm 40 ≤ H < 60 mm 60≤ H < 70 mm 70 ≤ H < 80 mm 80 ≤ H < 90 mm 90 ≤ H < 100 mm 100 ≤ H < 120 mm	±0.20 mm ±0.25 mm ±0.30 mm ±0.35 mm ±0.40 mm ±0.50 mm
Side concavity and convexity	Included in outside dimension tolerance
Thickness (T)	T≤ 1.5 mm: ±0.15 mm T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller
Straightness	Maximum 0.15% of measured tube length when shorter side length > 30 mm Maximum 0.25% of measured tube length when the shorter side length ≤ 30 mm
Location of weld seam from the centre line	On narrow side for square and rectangular, optionally on wide side. On wide side for flat oval and ellipse. ± 10% of side length or ± 3 mm, whichever is greater.
Height of internal weld bead, g; Bead removed Bead not removed	g ≤ 0.3 mm g < 0.8 mm, when T ≤ 1.5 mm g < 0.6 x T, when 1.5 mm < T ≤ 3.0 mm
Squareness of side	90° ±1°
Corner profile	R ≤ 3.0 x T, typically R ≤ 2.0 x T
Twist (V)	V ≤ 3 mm for B and H ≤ 30 mm V ≤ B/10 or ≤ H/10 for B or H > 30 mm
Mill length	0/+50 mm, standard length 6000 mm
Exact length, single cutting	Agreed at the time of enquiry and order
Exact length, bundle cutting	Agreed at the time of enquiry and order

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Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Characteristic

Outside dimensions (H) and (B), longer side¹⁾
H < 25 mm
25 ≤ H < 40 mm
40 ≤ H < 60 mm
60≤ H < 70 mm
70 ≤ H < 80 mm
80 ≤ H < 90 mm
90 ≤ H < 100 mm
100 ≤ H < 120 mm

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

±0.20 mm
±0.25 mm
±0.30 mm
±0.35 mm
±0.40 mm
±0.50 mm

Characteristic

Side concavity and convexity

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Included in outside dimension tolerance

Characteristic

Thickness (T)

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

T≤ 1.5 mm: ±0.15 mm
T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller

Characteristic

Straightness

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Maximum 0.15% of measured tube length when shorter side length > 30 mm
Maximum 0.25% of measured tube length when the shorter side length ≤ 30 mm

Characteristic

Location of weld seam from the centre line

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

On narrow side for square and rectangular, optionally on wide side. On wide side for flat oval and ellipse. ± 10% of side length or ± 3 mm, whichever is greater.

Characteristic

Height of internal weld bead, g;
Bead removed
Bead not removed

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

g ≤ 0.3 mm
g < 0.8 mm, when T ≤ 1.5 mm
g < 0.6 x T, when 1.5 mm < T ≤ 3.0 mm

Characteristic

Squareness of side

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

90° ±1°

Characteristic

Corner profile

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

R ≤ 3.0 x T, typically R ≤ 2.0 x T

Characteristic

Twist (V)

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

V ≤ 3 mm for B and H ≤ 30 mm
V ≤ B/10 or ≤ H/10 for B or H > 30 mm

Characteristic

Mill length

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

0/+50 mm, standard length 6000 mm

Characteristic

Exact length, single cutting

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Agreed at the time of enquiry and order

Characteristic

Exact length, bundle cutting

Rectangular precision tubes
Tolerances meet or exceed the requirements of EN 10305-5

Agreed at the time of enquiry and order

¹⁾For a maximum distance of 100 mm, the ends may, due to the cutting method, have diameters outside the tolerances.

Coating and Surfaces

Surface designation and general usability

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Designation	Definition	Usability
UC	Uncoated (cold rolled)	Paintability or chromium plating are required
GI	Zinc coated (zinc 99%)	Corrosion resistance is required
ZA	Galfan coated (zinc 95%-aluminium 5%)	Corrosion resistance and demanding forming are required
GA	Galvannealed coated (zinc 90%-iron 10%)	Corrosion resistance and paintability are required

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Definition

Usability

Designation

UC

Definition

Uncoated (cold rolled)

Usability

Paintability or chromium plating are required

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Designation

GI

Definition

Zinc coated (zinc 99%)

Usability

Corrosion resistance is required

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Designation

ZA

Definition

Galfan coated (zinc 95%-aluminium 5%)

Usability

Corrosion resistance and demanding forming are required

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Designation

GA

Definition

Galvannealed coated (zinc 90%-iron 10%)

Usability

Corrosion resistance and paintability are required

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Surface is slightly oiled to protect it from corrosion during transportation and short-term storage. By request, tubes can be delivered dry, however in that case SSAB will not be responsible for any possible rust.

Surface roughness, Ra

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Designation	Ra value
UC	< 0.6 µm

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Ra value

Designation

UC

Ra value

< 0.6 µm

Different metal coatings and minimum coating mass

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Coating thickness ¹⁾(µm)	Zinc (GI)²⁾ (g/m²)	Galfan (ZA)³⁾ (g/m²)	Galvannealed (GA)²⁾ (g/m²)
7	GI50/50	—	GA50/50
8	GI60/60	—	GA60/60
20	GI115/115	ZA255	—

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Zinc (GI)²⁾ (g/m²)

Galfan (ZA)³⁾ (g/m²)

Galvannealed (GA)²⁾ (g/m²)

Coating thickness ¹⁾(µm)

7

Zinc (GI)²⁾ (g/m²)

GI50/50

Galfan (ZA)³⁾ (g/m²)

—

Galvannealed (GA)²⁾ (g/m²)

GA50/50

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Coating thickness ¹⁾(µm)

8

Zinc (GI)²⁾ (g/m²)

GI60/60

Galfan (ZA)³⁾ (g/m²)

—

Galvannealed (GA)²⁾ (g/m²)

GA60/60

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Coating thickness ¹⁾(µm)

20

Zinc (GI)²⁾ (g/m²)

GI115/115

Galfan (ZA)³⁾ (g/m²)

ZA255

Galvannealed (GA)²⁾ (g/m²)

—

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¹⁾ Theoretical guidance values for coating thickness per surface.

²⁾ Minimum coating mass - g/m² refers the coating mass for each side in g/m² according to VDA 239-100.

³⁾ Minimum coating mass - g/m² refers the total weight of coatings on both sides of a 1 m² plate.

Indicative specification for proper coating selection

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Coating type	Coating mass (g/m²)	Coating life - marine (year)	Properties
GI	50/50	10	Good weldability and formability with tolerable corrosion resistance.
GI	115/115	25	Good combination of corrosion resistance and usability.
ZA	255	80	Superior corrosion resistance in marine condition.
GA	50/50	15	Superior paint adhesion and corrosion reistance as painted. Weldability in same level as cold rolled material under proper welding conditions.
GA	60/60	17	Superior paint adhesion and corrosion reistance as painted. Weldability in same level as cold rolled material under proper welding conditions.
GA	140	20	Superior paint adhesion and corrosion reistance as painted. Weldability in same level as cold rolled material under proper welding conditions.

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Coating mass (g/m²)

Coating life - marine (year)

Properties

Coating type

GI

Coating mass (g/m²)

50/50

Coating life - marine (year)

10

Properties

Good weldability and formability with tolerable corrosion resistance.

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Coating type

GI

Coating mass (g/m²)

115/115

Coating life - marine (year)

25

Properties

Good combination of corrosion resistance and usability.

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Coating type

ZA

Coating mass (g/m²)

255

Coating life - marine (year)

80

Properties

Superior corrosion resistance in marine condition.

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Coating type

GA

Coating mass (g/m²)

50/50

Coating life - marine (year)

15

Properties

Superior paint adhesion and corrosion reistance as painted. Weldability in same level as cold rolled material under proper welding conditions.

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Coating type

GA

Coating mass (g/m²)

60/60

Coating life - marine (year)

17

Properties

Superior paint adhesion and corrosion reistance as painted. Weldability in same level as cold rolled material under proper welding conditions.

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Coating type

GA

Coating mass (g/m²)

140

Coating life - marine (year)

20

Properties

Superior paint adhesion and corrosion reistance as painted. Weldability in same level as cold rolled material under proper welding conditions.

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Delivery Conditions

The tubes are not intended to undergo any heat treatment after welding and sizing as that may alter the mechanical properties of the material.

The tubes are oiled with anti-corrosive oil.

Fabrication and Other Recommendations

For information concerning fabrication, see SSAB´s brochures on www.ssab.com or consult Tech Support.

Appropriate health and safety precautions must be taken when bending, welding, cutting, grinding or otherwise working on the products.

Docol® Tube 590DP

General Product Description

Dimension Range

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Circular Dimensions

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Square Dimensions

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Rectangular Dimensions

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Mechanical Properties

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Chemical Composition (ladle analysis)

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Tolerances

Tolerance Circular

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Tolerance Square

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Tolerance Rectangular

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Coating and Surfaces

Surface designation and general usability

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Surface roughness, Ra

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Different metal coatings and minimum coating mass

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Indicative specification for proper coating selection

Select one parameter to compare

Delivery Conditions

Fabrication and Other Recommendations

Other precision tube products

Docol® Tube 600LA

Docol® Tube 700LA

Docol® Tube 780DP

SSAB Boron Tube 22

SSAB Form Tube 220

SSAB Form Tube 320

Get datasheet by email

General Product Description

Dimension Range

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Comparison

Circular Dimensions

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Comparison

Square Dimensions

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Comparison

Rectangular Dimensions

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Comparison

Mechanical Properties

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Comparison

Chemical Composition (ladle analysis)

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Comparison

Tolerances

Tolerance Circular

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Comparison

Tolerance Square

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Comparison

Tolerance Rectangular

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Comparison

Coating and Surfaces

Surface designation and general usability

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Comparison

Surface roughness, Ra

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Comparison

Different metal coatings and minimum coating mass

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Comparison

Indicative specification for proper coating selection

Select one parameter to compare

Comparison

Delivery Conditions

Fabrication and Other Recommendations

Other precision tube products

Docol® Tube 600LA

Docol® Tube 700LA

Docol® Tube 780DP

SSAB Boron Tube 22

SSAB Form Tube 220

SSAB Form Tube 320