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Japan JIS SUM22 易切削碳钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SUM22 / SUM 22
Category Grade Standard Region/Area Standard Content
Metals SUM 22 JIS G4804 Japan 易切削碳钢

Chemical composition(mass fraction)(wt.%) of the SUM 22

Element Min Max Similar

Mechanical Properties of steel grade SUM 22

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)
849 (≥) 694 (≥) 24 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade SUM 22

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 - -     0.24 -  
296 223 - 22.3 132   -  
488 - 34 22.2   123 314

Heat Treatment of steel grade SUM 22

Heat treated : 1621°C - 1296°C

Technological Curves of steel grade SUM 22

Cross Reference Table (Equivalent Grade) of SUM 22

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