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SCr420HRCH

Japan JIS SCr420HRCH 低合金冷镦钢 - 第1部分:线材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SCr420HRCH / SCr420HRCH
Category Grade Standard Region/Area Standard Content
Metals SCr420HRCH JIS G3509-1 Japan 低合金冷镦钢 - 第1部分:线材

Chemical composition(mass fraction)(wt.%) of the SCr420HRCH

Element Min Max Similar

Mechanical Properties of steel grade SCr420HRCH

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)
988 (≥) 885 (≥) 43 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade SCr420HRCH

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
33 - -     0.13 -  
331 638 - 44.3 331   -  
383 - 22 42.2   231 343

Heat Treatment of steel grade SCr420HRCH

Heat treated : 1553°C - 1793°C

Technological Curves of steel grade SCr420HRCH

Cross Reference Table (Equivalent Grade) of SCr420HRCH

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