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HC250/450DP

China 首钢Q/SG HC250/450DP 双相高强度冷轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HC250/450DP / HC250/450DP
Category Grade Standard Region/Area Standard Content
Metals HC250/450DP Q/SGZGS 0348 China 双相高强度冷轧钢板及钢带

Chemical composition(mass fraction)(wt.%) of the HC250/450DP

Element Min Max Similar
C - 0.1500 -
Si - 0.6000 -
Mn - 2.5000 -
P - 0.0400 -
S - 0.0150 -
Alt 0.0100 - -
Cr+Mo+Ni - 1.5000 -
Nb+Ti+V - 0.2000 -

Mechanical Properties of steel grade HC250/450DP

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
463 (≥) 999 (≥) 42 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade HC250/450DP

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
32 - -     0.23 -  
997 892 - 14.3 323   -  
731 - 24 32.2   143 314

Heat Treatment of steel grade HC250/450DP

Heat treated : 1896°C - 1671°C

Technological Curves of steel grade HC250/450DP

Cross Reference Table (Equivalent Grade) of HC250/450DP

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