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30H Grade Ⅱ-1

Japan JIS 30HGradeⅡ-1 钢轨鱼尾板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30HGradeⅡ-1 / 30H Grade Ⅱ-1
Category Grade Standard Region/Area Standard Content
Metals 30H Grade Ⅱ-1 JIS E1102 Japan 钢轨鱼尾板

Chemical composition(mass fraction)(wt.%) of the 30H Grade Ⅱ-1

Element Min Max Similar

Mechanical Properties of steel grade 30H Grade Ⅱ-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)
673 (≥) 992 (≥) 34 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade 30H Grade Ⅱ-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
32 - -     0.32 -  
512 287 - 21.3 211   -  
136 - 33 22.2   411 414

Heat Treatment of steel grade 30H Grade Ⅱ-1

Heat treated : 1361°C - 1767°C

Technological Curves of steel grade 30H Grade Ⅱ-1

Cross Reference Table (Equivalent Grade) of 30H Grade Ⅱ-1

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