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SCr440HRCH

Japan JIS SCr440HRCH 低合金冷镦钢 - 第1部分:线材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SCr440HRCH / SCr440HRCH
Category Grade Standard Region/Area Standard Content
Metals SCr440HRCH JIS G3509-1 Japan 低合金冷镦钢 - 第1部分:线材

Chemical composition(mass fraction)(wt.%) of the SCr440HRCH

Element Min Max Similar

Mechanical Properties of steel grade SCr440HRCH

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)
322 (≥) 739 (≥) 34 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade SCr440HRCH

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
24 - -     0.14 -  
158 127 - 42.3 212   -  
686 - 12 41.2   321 121

Heat Treatment of steel grade SCr440HRCH

Heat treated : 1357°C - 1299°C

Technological Curves of steel grade SCr440HRCH

Cross Reference Table (Equivalent Grade) of SCr440HRCH

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