Martensitic Steels
Martensitic Steels
Docol 1200M Martensitic Steel (MS)
Docol 1200M: Docol1200M available as hot-rolled and cold-rolled steel, Docol1200M martensitic steel contributes to improved crashworthiness and provides a reliable guarantee for lightweight design and cost-effective production in the automotive industry. Docol is one of the cold-rolled high-strength steels on the market and has become a material for applications such as side anti-collision beams, bumpers and structural parts in the automotive industry.
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Docol 1200M Martensitic Steel (MS) Description
Docol 1200M: Docol 1200M can be supplied in the form of hot-rolled steel and cold-rolled steel. Docol 1200M martensitic steel helps to improve the anti-collision performance and provides reliable guarantee for lightweight design and cost-effective production in the automotive industry. Docol is one of the cold-rolled high-strength steels on the market and has become a material for applications such as side anti-collision beams, bumpers and structural parts in the automotive industry.
Mechanical properties
|
Steel Grade |
Standard |
Plating |
Test Direction |
Yield Strength Rp0.2 (MPa) |
Tensile Strength Rm (MPa) |
Extension Rate A80 (min %) |
BH2 (Min MPa) |
90 ° Bend the Most Small Bend Inner Diameter |
|
Docol CR 950Y1200T - MS |
SSAB |
UC, eg. |
T |
950 |
1200-1400 |
3 |
30 |
3.0xt |
|
Docol HR 900Y1180T - MS |
SSAB |
UC |
L |
900-1150 |
1180-1400 |
5 |
30 |
- |
Chemical Composition
|
Brand |
C (max %) |
Si (max %) |
Mn (max %) |
P (max %) |
S (max %) |
Al (min %) |
Nb+Ti (max %) |
Cr Mo (ma%) |
B (max %) |
Cu (max %) |
|
Docol CR 950Y1200T -MS |
0.14 |
0.40 |
2.00 |
0.020 |
0.010 |
0.015 |
0.10 |
- |
- |
- |
|
Docol HR 900Y1180T -MS |
0.25 |
0.80 |
2.50 |
0.50 |
0.010 |
0.015-2.00 |
0.25 |
1.20 |
0.005 |
0.20 |
Plating
|
Plating Type |
Plating Grade |
Standard |
Single-sided coating quality, single-point test (g/m2） |
Single side thickness, for reference only(μm) |
|
EG |
ZE25/25 |
EN 10152 |
12- |
1.7- |
|
EG |
ZE25/50 |
EN 10152 |
29- |
4.1- |
|
EG |
ZE25/75 |
EN 10152 |
47- |
6.6- |
|
EG |
ZE25/100 |
EN 10152 |
65- |
9.1- |
