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HC290/490DP

China 宝钢Q/BQB HC290/490DP 双相高强度冷连轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HC290/490DP / HC290/490DP
Category Grade Standard Region/Area Standard Content
Metals HC290/490DP Q/BQB 418 China 双相高强度冷连轧钢板及钢带

Chemical composition(mass fraction)(wt.%) of the HC290/490DP

Element Min Max Similar

Mechanical Properties of steel grade HC290/490DP

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)
233 (≥) 492 (≥) 11 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade HC290/490DP

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
44 - -     0.23 -  
215 399 - 44.3 222   -  
346 - 13 44.2   241 123

Heat Treatment of steel grade HC290/490DP

Heat treated : 1739°C - 1156°C

Technological Curves of steel grade HC290/490DP

Cross Reference Table (Equivalent Grade) of HC290/490DP

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