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China GB 730KD 包装用钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 730KD / 730KD
Category Grade Standard Region/Area Standard Content
Metals 730KD GB/T 25820 China 包装用钢带

Chemical composition(mass fraction)(wt.%) of the 730KD

Element Min Max Similar

Mechanical Properties of steel grade 730KD

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)
962 (≥) 342 (≥) 34 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade 730KD

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 - -     0.34 -  
688 973 - 44.3 422   -  
822 - 44 22.2   222 241

Heat Treatment of steel grade 730KD

Heat treated : 1947°C - 1799°C

Technological Curves of steel grade 730KD

Cross Reference Table (Equivalent Grade) of 730KD

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