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China GB RJ235 一般结构用热连轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: RJ235 / RJ235
Category Grade Standard Region/Area Standard Content
Metals RJ235 GB 2517 China 一般结构用热连轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the RJ235

Element Min Max Similar

Mechanical Properties of steel grade RJ235

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)
156 (≥) 727 (≥) 34 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade RJ235

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
21 - -     0.44 -  
271 948 - 12.3 344   -  
925 - 42 14.2   413 431

Heat Treatment of steel grade RJ235

Heat treated : 1974°C - 1288°C

Technological Curves of steel grade RJ235

Cross Reference Table (Equivalent Grade) of RJ235

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