Docol® 800DP dual phase
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Docol 800DP, acero de fase dual para automoción
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General Product Description
Docol 800DP dual-phase steels offer good formability for the production of safety details in cars. These steels undergo special heat treatment, producing mainly two phase structure. Ferrite that imparts unique forming properties represents one phase, and martensite that accounts for the strength represents the other phase. Bainite may be present as complementary phase.
Dimension Range
Cold rolled / UC: thickness 0.50-2.10 mm, width up to 1527 mm.
Cold rolled / GI, GA, ZA: thickness 0.80-2.50 mm, width up to 1460 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 Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Elongation A80 (min %) |
n4-6 (min) |
n10-20/Ag (min) |
BH2 (min MPa) |
Min. inner bending radius for a 90° bend 4) | |
|---|---|---|---|---|---|---|---|---|---|---|
| Docol CR440Y780T-DP | VDA 239-100 | UC | L | 440 - 550 | 780 - 900 | 14 | 0.15 3) | 0.11 | 30 | 1.0 x t |
| VDA 239-100 | GI, GA, ZA* | L | 440 - 550 | 780 - 900 | 14 1) | 0.15 | 0.11 | 30 | 1.8 x t | |
| Docol CR450Y780T-DP | SSAB | UC | L | 450 - 550 | 780 - 900 | 15 | — | — | — | 1.0 x t |
| Docol CR390Y800T-DL | SSAB | UC | T | 390 - | 800 - 950 | 13 | — | — | — | 1.0 x t |
| Docol CR500Y800T-DP | SSAB | UC | T | 500 - 650 | 800 - 950 | 10 2) | — | — | — | 1.0 x t |
| Docol 800DPX | SSAB | GI, GA* | T | 620 - 770 | 800 - 950 | 10 | — | — | — | 0.9 x t |
Compare parameters
Select one parameter to compare
Comparison
Docol CR440Y780T-DP
Standard
VDA 239-100
Coating
UC
Test direction
L
Yield strength Rp0.2
(MPa)
(MPa)
440 - 550
Tensile strength Rm
(MPa)
(MPa)
780 - 900
Elongation A80
(min %)
(min %)
14
n4-6
(min)
(min)
0.15 3)
n10-20/Ag
(min)
(min)
0.11
BH2
(min MPa)
(min MPa)
30
Min. inner bending radius for a 90° bend 4)
1.0 x t
Expand
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Docol CR440Y780T-DP
Standard
VDA 239-100
Coating
GI, GA, ZA*
Test direction
L
Yield strength Rp0.2
(MPa)
(MPa)
440 - 550
Tensile strength Rm
(MPa)
(MPa)
780 - 900
Elongation A80
(min %)
(min %)
14 1)
n4-6
(min)
(min)
0.15
n10-20/Ag
(min)
(min)
0.11
BH2
(min MPa)
(min MPa)
30
Min. inner bending radius for a 90° bend 4)
1.8 x t
Expand
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Docol CR450Y780T-DP
Standard
SSAB
Coating
UC
Test direction
L
Yield strength Rp0.2
(MPa)
(MPa)
450 - 550
Tensile strength Rm
(MPa)
(MPa)
780 - 900
Elongation A80
(min %)
(min %)
15
n4-6
(min)
(min)
—
n10-20/Ag
(min)
(min)
—
BH2
(min MPa)
(min MPa)
—
Min. inner bending radius for a 90° bend 4)
1.0 x t
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Docol CR390Y800T-DL
Standard
SSAB
Coating
UC
Test direction
T
Yield strength Rp0.2
(MPa)
(MPa)
390 -
Tensile strength Rm
(MPa)
(MPa)
800 - 950
Elongation A80
(min %)
(min %)
13
n4-6
(min)
(min)
—
n10-20/Ag
(min)
(min)
—
BH2
(min MPa)
(min MPa)
—
Min. inner bending radius for a 90° bend 4)
1.0 x t
Expand
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Docol CR500Y800T-DP
Standard
SSAB
Coating
UC
Test direction
T
Yield strength Rp0.2
(MPa)
(MPa)
500 - 650
Tensile strength Rm
(MPa)
(MPa)
800 - 950
Elongation A80
(min %)
(min %)
10 2)
n4-6
(min)
(min)
—
n10-20/Ag
(min)
(min)
—
BH2
(min MPa)
(min MPa)
—
Min. inner bending radius for a 90° bend 4)
1.0 x t
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Docol 800DPX
Standard
SSAB
Coating
GI, GA*
Test direction
T
Yield strength Rp0.2
(MPa)
(MPa)
620 - 770
Tensile strength Rm
(MPa)
(MPa)
800 - 950
Elongation A80
(min %)
(min %)
10
n4-6
(min)
(min)
—
n10-20/Ag
(min)
(min)
—
BH2
(min MPa)
(min MPa)
—
Min. inner bending radius for a 90° bend 4)
0.9 x t
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* Available upon request.
1) For GA coatings the minimum elongation value is reduced by 2 units.
2) Decreased minimum elongation values apply for product thickness t < 0.70 mm (minus 2 units).
3) For UC material the n4-6 value is reduced by 0.02 units.
4) In some cases tight bending radius may cause micro-cracking of the coating in the bend area. Where design permits, users are encouraged to employ larger radius.
Chemical Composition (ladle analysis)
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| Coating | C (max %) |
Si (max %) |
Mn (max %) |
P (max %) |
S (max %) |
Al (%) |
Nb+Ti (max %) |
Cr+Mo (max %) |
B (max %) |
Cu (max %) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| Docol CR440Y780T-DP | UC | 0.16 | 0.40 | 1.80 | 0.020 | 0.010 | 0.015 - 1.00 | — | — | 0.005 | 0.20 |
| GI, GA, ZA* | 0.18 | 0.80 | 2.50 | 0.050 | 0.010 | 0.015 - 1.00 | 0.15 | 1.00 | 0.005 | 0.20 | |
| Docol CR450Y780T-DP | UC | 0.16 | 0.40 | 1.80 | 0.020 | 0.010 | From 0.015 | 0.10 | — | — | — |
| Docol CR390Y800T-DL | UC | 0.16 | 0.40 | 1.80 | 0.020 | 0.010 | From 0.015 | 0.10 | — | — | — |
| Docol CR500Y800T-DP | UC | 0.15 | 0.40 | 1.80 | 0.020 | 0.010 | From 0.015 | 0.10 | — | — | — |
| Docol 800DPX | GI, GA* | 0.18 | 1.00 | 2.50 | 0.050 | 0.010 | 0.015 - 1.00 | 0.15 | 1 | 0.005 | 0.20 |
Compare parameters
Select one parameter to compare
Comparison
Docol CR440Y780T-DP
Coating
UC
C
(max %)
(max %)
0.16
Si
(max %)
(max %)
0.40
Mn
(max %)
(max %)
1.80
P
(max %)
(max %)
0.020
S
(max %)
(max %)
0.010
Al
(%)
(%)
0.015 - 1.00
Nb+Ti
(max %)
(max %)
—
Cr+Mo
(max %)
(max %)
—
B
(max %)
(max %)
0.005
Cu
(max %)
(max %)
0.20
Expand
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Docol CR440Y780T-DP
Coating
GI, GA, ZA*
C
(max %)
(max %)
0.18
Si
(max %)
(max %)
0.80
Mn
(max %)
(max %)
2.50
P
(max %)
(max %)
0.050
S
(max %)
(max %)
0.010
Al
(%)
(%)
0.015 - 1.00
Nb+Ti
(max %)
(max %)
0.15
Cr+Mo
(max %)
(max %)
1.00
B
(max %)
(max %)
0.005
Cu
(max %)
(max %)
0.20
Expand
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Docol CR450Y780T-DP
Coating
UC
C
(max %)
(max %)
0.16
Si
(max %)
(max %)
0.40
Mn
(max %)
(max %)
1.80
P
(max %)
(max %)
0.020
S
(max %)
(max %)
0.010
Al
(%)
(%)
From 0.015
Nb+Ti
(max %)
(max %)
0.10
Cr+Mo
(max %)
(max %)
—
B
(max %)
(max %)
—
Cu
(max %)
(max %)
—
Expand
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Docol CR390Y800T-DL
Coating
UC
C
(max %)
(max %)
0.16
Si
(max %)
(max %)
0.40
Mn
(max %)
(max %)
1.80
P
(max %)
(max %)
0.020
S
(max %)
(max %)
0.010
Al
(%)
(%)
From 0.015
Nb+Ti
(max %)
(max %)
0.10
Cr+Mo
(max %)
(max %)
—
B
(max %)
(max %)
—
Cu
(max %)
(max %)
—
Expand
Collapse
Docol CR500Y800T-DP
Coating
UC
C
(max %)
(max %)
0.15
Si
(max %)
(max %)
0.40
Mn
(max %)
(max %)
1.80
P
(max %)
(max %)
0.020
S
(max %)
(max %)
0.010
Al
(%)
(%)
From 0.015
Nb+Ti
(max %)
(max %)
0.10
Cr+Mo
(max %)
(max %)
—
B
(max %)
(max %)
—
Cu
(max %)
(max %)
—
Expand
Collapse
Docol 800DPX
Coating
GI, GA*
C
(max %)
(max %)
0.18
Si
(max %)
(max %)
1.00
Mn
(max %)
(max %)
2.50
P
(max %)
(max %)
0.050
S
(max %)
(max %)
0.010
Al
(%)
(%)
0.015 - 1.00
Nb+Ti
(max %)
(max %)
0.15
Cr+Mo
(max %)
(max %)
1
B
(max %)
(max %)
0.005
Cu
(max %)
(max %)
0.20
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* Available upon request.
Tolerances
Cold rolled (UC): Tolerances in accordance to EN 10131.
Hot-dip galvanized (GI, GA, ZA): Tolerances in accordance to EN 10143.
Customized dimensional and shape tolerances are available upon request.
Coatings
The metal coating options for Docol products include:
Hot-dip zinc coating (GI) consists almost entirely of zinc (>99%). It is lead free, resulting in a small zinc spangle size. The coating provides good corrosion protection.
Galvannealed coating (GA) is a zinc-iron alloy coating having an iron content of approximately 10%. Galvannealed is produced by post-heat treatment in continuous hot-dip coating process. Galvannealed provides excellent resistance weldability and corrosion protection of painted products.
Galfan coating (ZA) is a zinc-aluminium alloy coating having the eutectic composition approximately of 95% Zn and 5% Al. Galfan is produced in continuous hot-dip coating process. Galfan has better anticorrosive and forming properties than conventional hot-dip zinc coating (GI).
Grade specific availability of metal coatings for Docol products is given in the Mechanical properties table (Coating).
Hide/Show specific columns Edit
Select columns to display
| Coating type | Coating class | Standard | Closest in EN 10346, informative | Coating mass per side, single spot test (g/m2) | Thickness per side informative (µm) |
|---|---|---|---|---|---|
| GI | 40/40 | VDA 239-100 | Z100 | 40 - 60 | 5.6 - 8.5 |
| GI | 50/50 | VDA 239-100 | — | 50 - 70 | 7.0 - 9.9 |
| GI | 60/60 | VDA 239-100 | Z140 | 60 - 90 | 8.5 - 12.7 |
| GI | 70/70 | VDA 239-100 | — | 70 - 100 | 9.9 - 14.1 |
| GI | 85/85 | VDA 239-100 | — | 85 - 115 | 12.0 - 16.2 |
| GI | 115/115 | VDA 239-100 | Z275 | 115 - 155 | 16.2 - 21.8 |
| GA | 40/40 | VDA 239-100 | ZF100 | 40 - 60 | 5.6 - 8.5 |
| GA | 50/50 | VDA 239-100 | ZF120 | 50 - 80 | 7.0 - 11.3 |
| ZA | 95 | EN 10346 | ZA95 | — | 7.0 - |
| ZA | 130 | EN 10346 | ZA130 | — | 10.0 - |
Compare parameters
Select one parameter to compare
Comparison
Coating type
GI
Coating class
40/40
Standard
VDA 239-100
Closest in EN 10346, informative
Z100
Coating mass per side, single spot test (g/m2)
40 - 60
Thickness per side informative (µm)
5.6 - 8.5
Expand
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Coating type
GI
Coating class
50/50
Standard
VDA 239-100
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
50 - 70
Thickness per side informative (µm)
7.0 - 9.9
Expand
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Coating type
GI
Coating class
60/60
Standard
VDA 239-100
Closest in EN 10346, informative
Z140
Coating mass per side, single spot test (g/m2)
60 - 90
Thickness per side informative (µm)
8.5 - 12.7
Expand
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Coating type
GI
Coating class
70/70
Standard
VDA 239-100
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
70 - 100
Thickness per side informative (µm)
9.9 - 14.1
Expand
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Coating type
GI
Coating class
85/85
Standard
VDA 239-100
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
85 - 115
Thickness per side informative (µm)
12.0 - 16.2
Expand
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Coating type
GI
Coating class
115/115
Standard
VDA 239-100
Closest in EN 10346, informative
Z275
Coating mass per side, single spot test (g/m2)
115 - 155
Thickness per side informative (µm)
16.2 - 21.8
Expand
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Coating type
GA
Coating class
40/40
Standard
VDA 239-100
Closest in EN 10346, informative
ZF100
Coating mass per side, single spot test (g/m2)
40 - 60
Thickness per side informative (µm)
5.6 - 8.5
Expand
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Coating type
GA
Coating class
50/50
Standard
VDA 239-100
Closest in EN 10346, informative
ZF120
Coating mass per side, single spot test (g/m2)
50 - 80
Thickness per side informative (µm)
7.0 - 11.3
Expand
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Coating type
ZA
Coating class
95
Standard
EN 10346
Closest in EN 10346, informative
ZA95
Coating mass per side, single spot test (g/m2)
—
Thickness per side informative (µm)
7.0 -
Expand
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Coating type
ZA
Coating class
130
Standard
EN 10346
Closest in EN 10346, informative
ZA130
Coating mass per side, single spot test (g/m2)
—
Thickness per side informative (µm)
10.0 -
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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 are available upon request.
Surface Treatments
Uncoated (UC): available as oiled.
Hot-dip galvanized (GI, GA, ZA): available as oiled and/or chemically passivated.
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® dual phase steel product offer
Docol® 500DP dual phase
Docol® 600DP dual phase
Docol® 800DP dual phase
Docol® 1000DP dual phase
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