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Japan JIS 60-HH370 热硬化钢轨 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 60-HH370 / 60-HH370
Category Grade Standard Region/Area Standard Content
Metals 60-HH370 JIS E1120 Japan 热硬化钢轨

Chemical composition(mass fraction)(wt.%) of the 60-HH370

Element Min Max Similar

Mechanical Properties of steel grade 60-HH370

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)
711 (≥) 211 (≥) 44 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 60-HH370

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 - -     0.11 -  
454 235 - 42.3 444   -  
858 - 31 14.2   241 324

Heat Treatment of steel grade 60-HH370

Heat treated : 1733°C - 1483°C

Technological Curves of steel grade 60-HH370

Cross Reference Table (Equivalent Grade) of 60-HH370

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