Martensitic Steels

Docol 1200M Martensitic Steel (MS)

Docol 1200M Martensitic Steel (MS) DescriptionDocol 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-effectiv

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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.

950

1200-1400

3.0xt

Docol HR 900Y1180T

- MS

SSAB

900-1150

1180-1400

Chemical Composition

Brand

(max %)

Mn (max %)

P (max %)

(max %)

(min %)

Nb+Ti (max %)

Cr Mo

(ma%)

(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-

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