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China 马钢MTS JDC4+Z 马钢家电用钢技术标准:家电用热浸镀锌产品 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: JDC4+Z / JDC4+Z
Category Grade Standard Region/Area Standard Content
Metals JDC4+Z MTS 73023 China 马钢家电用钢技术标准:家电用热浸镀锌产品

Chemical composition(mass fraction)(wt.%) of the JDC4+Z

Element Min Max Similar

Mechanical Properties of steel grade JDC4+Z

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)
552 (≥) 972 (≥) 42 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade JDC4+Z

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
31 - -     0.22 -  
973 555 - 13.3 412   -  
467 - 24 11.2   312 322

Heat Treatment of steel grade JDC4+Z

Heat treated : 1318°C - 1284°C

Technological Curves of steel grade JDC4+Z

Cross Reference Table (Equivalent Grade) of JDC4+Z

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