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China HB 4J32 膨胀合金热处理工艺说明书 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 4J32 / 4J32
Category Grade Standard Region/Area Standard Content
Metals 4J32 HB/Z 239 China 膨胀合金热处理工艺说明书

Chemical composition(mass fraction)(wt.%) of the 4J32

Element Min Max Similar

Mechanical Properties of steel grade 4J32

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)
536 (≥) 599 (≥) 24 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 4J32

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
23 - -     0.22 -  
356 515 - 31.3 234   -  
733 - 33 33.2   422 423

Heat Treatment of steel grade 4J32

Heat treated : 1345°C - 1374°C

Technological Curves of steel grade 4J32

Cross Reference Table (Equivalent Grade) of 4J32

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