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China 首钢Q/SG JD2 家电板用冷轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: JD2 / JD2
Category Grade Standard Region/Area Standard Content
Metals JD2 Q/SGZGS 0295 China 家电板用冷轧钢板及钢带

Chemical composition(mass fraction)(wt.%) of the JD2

Element Min Max Similar
C - 0.1000 -
Si - 0.0400 -
Mn - 0.4000 -
P - 0.0300 -
S - 0.0300 -

Mechanical Properties of steel grade JD2

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)
228 (≥) 391 (≥) 41 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade JD2

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
22 - -     0.24 -  
465 732 - 42.3 213   -  
735 - 43 24.2   111 133

Heat Treatment of steel grade JD2

Heat treated : 1397°C - 1319°C

Technological Curves of steel grade JD2

Cross Reference Table (Equivalent Grade) of JD2

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