Docol® 1400M One of our strongest martensitic steels

General Product Description

Docol 1400M martensitic steel helps improve crashworthiness and ensure a lightweight design and cost-efficient production methods for the automotive industry. Docol is one of the strongest cold rolled advanced high-strength steels on the market and has become the material of choice for automotive applications such as side impact beams, bumpers and structural components.

Dimension Range

Cold rolled / UC: thickness 0.50-2.10 mm, width up to 1527 mm.

Cold rolled / EG: thickness 0.80-1.80 mm, width up to 1200 mm.

Slit strip and cut to length sheets are available upon request.

Grade and coating specific restrictions on available dimensions may occur.

Mechanical Properties

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	Standard	Coating	Test direction	Yield strength R_p0.2 (MPa)	Tensile strength R_m (MPa)	Elongation A₈₀ (min %)	Min. inner bending radius for a 90° bend
Docol CR1150Y1400T MS	SSAB	UC, EG	T	1150 -	1400 - 1600	3	4.0 x t

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Coating

Test direction

Yield strength R_p0.2
(MPa)

Tensile strength R_m
(MPa)

Elongation A₈₀
(min %)

Min. inner bending radius for a 90° bend

Docol CR1150Y1400T MS

Standard

SSAB

Coating

UC, EG

Test direction

T

Yield strength R_p0.2
(MPa)

1150 -

Tensile strength R_m
(MPa)

1400 - 1600

Elongation A₈₀
(min %)

3

Min. inner bending radius for a 90° bend

4.0 x t

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The testing of mechanical properties of electrogalvanized products is conducted without coating.

Chemical Composition (ladle analysis)

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	Coating	C (max %)	Si (max %)	Mn (max %)	P (max %)	S (max %)	Al (%)	Nb+Ti (max %)
Docol CR1150Y1400T MS	UC, EG	0.20	0.40	1.60	0.020	0.010	From 0.015	0.10

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C
(max %)

Si
(max %)

Mn
(max %)

P
(max %)

S
(max %)

Al
(%)

Nb+Ti
(max %)

Docol CR1150Y1400T MS

Coating

UC, EG

C
(max %)

0.20

Si
(max %)

0.40

Mn
(max %)

1.60

P
(max %)

0.020

S
(max %)

0.010

Al
(%)

From 0.015

Nb+Ti
(max %)

0.10

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Tolerances

Cold rolled (UC, EG): Tolerances in accordance to EN 10131.

Customized dimensional and shape tolerances are available upon request.

The following improved flatness tolerances are available for cold rolled martensitic products upon request. The tolerances are valid for mother coils only before slitting.

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Thickness (mm)	Max height¹⁾ (mm)
0.80 - 0.99	8
1.00 - 1.39	7
1.40 - 1.59	6
1.60 - 1.79	5
1.80 - 2.10	4

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Max height¹⁾
(mm)

Thickness
(mm)

0.80 - 0.99

Max height¹⁾
(mm)

8

Thickness
(mm)

1.00 - 1.39

Max height¹⁾
(mm)

7

Thickness
(mm)

1.40 - 1.59

Max height¹⁾
(mm)

6

Thickness
(mm)

1.60 - 1.79

Max height¹⁾
(mm)

5

Thickness
(mm)

1.80 - 2.10

Max height¹⁾
(mm)

4

EG coated martensitic grades are supplied with improved flatness tolerances.

¹⁾ Distance from the top surface of the strip normal to flat surface. Measured with a ruler on sheets of mother coil width and minimum length 1200 mm. Cross bow and coil set excluded.

Coatings

The metal coating options for Docol products include:

Electrogalvanized coating (EG) is applied continuously by electro deposition. The coating consists of zinc (>99%). Electrogalvanized steel is characterized by its excellent surface quality and uniform coating thickness.

Grade specific availability of metal coatings for Docol products is given in the Mechanical properties table (Coating).

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Coating type	Coating class	Standard	Closest in EN standard, informative ¹⁾	Coating mass per side, single spot test (g/m²)	Thickness per side informative (µm)
EG	12/12	VDA 239-100	ZE25/25	12 - 32	1.7 - 4.5
EG	18/18	VDA 239-100	—	18 - 38	2.5 - 5.4
EG	29/29	VDA 239-100	ZE50/50	29 - 49	4.1 - 6.9
EG	47/47	VDA 239-100	ZE75/75	47 - 61	6.6 - 8.6
EG	50/50	VDA 239-100	—	50 - 70	7.0 - 9.9
EG	53/53	VDA 239-100	—	53 - 73	7.5 - 10.3
EG	60/60	VDA 239-100	—	60 - 80	8.5 - 11.3
EG	65/65	VDA 239-100	ZE100/100	65 - 85	9.2 - 12.0
EG	70/70	VDA 239-100	—	70 - 90	9.9 - 12.7

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Coating class

Standard

Closest in EN standard, informative ¹⁾

Coating mass per side, single spot test (g/m²)

Thickness per side informative (µm)

Coating type

EG

Coating class

12/12

Standard

VDA 239-100

Closest in EN standard, informative ¹⁾

ZE25/25

Coating mass per side, single spot test (g/m²)

12 - 32

Thickness per side informative (µm)

1.7 - 4.5

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Coating type

EG

Coating class

18/18

Standard

VDA 239-100

Closest in EN standard, informative ¹⁾

—

Coating mass per side, single spot test (g/m²)

18 - 38

Thickness per side informative (µm)

2.5 - 5.4

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Coating type

EG

Coating class

29/29

Standard

VDA 239-100

Closest in EN standard, informative ¹⁾

ZE50/50

Coating mass per side, single spot test (g/m²)

29 - 49

Thickness per side informative (µm)

4.1 - 6.9

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Coating type

EG

Coating class

47/47

Standard

VDA 239-100

Closest in EN standard, informative ¹⁾

ZE75/75

Coating mass per side, single spot test (g/m²)

47 - 61

Thickness per side informative (µm)

6.6 - 8.6

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Coating type

EG

Coating class

50/50

Standard

VDA 239-100

Closest in EN standard, informative ¹⁾

—

Coating mass per side, single spot test (g/m²)

50 - 70

Thickness per side informative (µm)

7.0 - 9.9

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Coating type

EG

Coating class

53/53

Standard

VDA 239-100

Closest in EN standard, informative ¹⁾

—

Coating mass per side, single spot test (g/m²)

53 - 73

Thickness per side informative (µm)

7.5 - 10.3

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Coating type

EG

Coating class

60/60

Standard

VDA 239-100

Closest in EN standard, informative ¹⁾

—

Coating mass per side, single spot test (g/m²)

60 - 80

Thickness per side informative (µm)

8.5 - 11.3

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Coating type

EG

Coating class

65/65

Standard

VDA 239-100

Closest in EN standard, informative ¹⁾

ZE100/100

Coating mass per side, single spot test (g/m²)

65 - 85

Thickness per side informative (µm)

9.2 - 12.0

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Coating type

EG

Coating class

70/70

Standard

VDA 239-100

Closest in EN standard, informative ¹⁾

—

Coating mass per side, single spot test (g/m²)

70 - 90

Thickness per side informative (µm)

9.9 - 12.7

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Docol metal coated products are available with surface quality for unexposed applications.

In addition to these coating masses, OEM specific coatings and single sided EG coatings are available upon request.

¹⁾ For GI and GA the closest informative value refers to EN 10346. For EG to EN 10152.

Surface treatments

Uncoated (UC): available as oiled.

Electrogalvanized (EG): available as oiled and/or chemically passivated or phosphated.

All surface treatments are in accordance with RoHS directive (2011/65/EU) and do not contain Chromium VI (Cr⁶⁺). Surface treatments provide only temporary surface protection during transportation and storage. In order to avoid corrosion damages, care must be taken to keep the products dry during transportation and storage. If they become wet, they must be separated and situated so that they are dried quickly.

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® 1400M martensitic

General Product Description

Dimension Range

Mechanical Properties

Select one parameter to compare

Chemical Composition (ladle analysis)

Select one parameter to compare

Tolerances

Select one parameter to compare

Coatings

Select one parameter to compare

Surface treatments

Fabrication and Other Recommendations

Docol® Martensitic steel product offer

Docol® 900M martensitic

Docol® 1100M martensitic

Docol® 1200M martensitic

Docol® 1300M martensitic

Docol® 1400M martensitic

Docol® 1500M martensitic

Docol® 1700M martensitic

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General Product Description

Dimension Range

Mechanical Properties

Select one parameter to compare

Comparison

Chemical Composition (ladle analysis)

Select one parameter to compare

Comparison

Tolerances

Select one parameter to compare

Comparison

Coatings

Select one parameter to compare

Comparison

Surface treatments

Fabrication and Other Recommendations

Docol® Martensitic steel product offer

Docol® 900M martensitic

Docol® 1100M martensitic

Docol® 1200M martensitic

Docol® 1300M martensitic

Docol® 1400M martensitic

Docol® 1500M martensitic

Docol® 1700M martensitic

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