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SSW-R2 Class 1

Japan JIS SSW-R2Class1 铁路机车车辆 - 实心轮 - 第1部分:质量要求 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SSW-R2Class1 / SSW-R2 Class 1
Category Grade Standard Region/Area Standard Content
Metals SSW-R2 Class 1 JIS E5402-1 Japan 铁路机车车辆 - 实心轮 - 第1部分:质量要求

Chemical composition(mass fraction)(wt.%) of the SSW-R2 Class 1

Element Min Max Similar

Mechanical Properties of steel grade SSW-R2 Class 1

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)
474 (≥) 456 (≥) 12 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade SSW-R2 Class 1

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
43 - -     0.14 -  
294 553 - 41.3 214   -  
162 - 23 34.2   422 223

Heat Treatment of steel grade SSW-R2 Class 1

Heat treated : 1716°C - 1929°C

Technological Curves of steel grade SSW-R2 Class 1

Cross Reference Table (Equivalent Grade) of SSW-R2 Class 1

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