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Japan JIS SWRCH20K 冷镦和冷锻碳钢线材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SWRCH20K / SWRCH20K
Category Grade Standard Region/Area Standard Content
Metals SWRCH20K JIS G3507 Japan 冷镦和冷锻碳钢线材

Chemical composition(mass fraction)(wt.%) of the SWRCH20K

Element Min Max Similar

Mechanical Properties of steel grade SWRCH20K

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)
241 (≥) 549 (≥) 23 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade SWRCH20K

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
44 - -     0.21 -  
171 925 - 44.3 312   -  
775 - 13 41.2   114 134

Heat Treatment of steel grade SWRCH20K

Heat treated : 1979°C - 1778°C

Technological Curves of steel grade SWRCH20K

Cross Reference Table (Equivalent Grade) of SWRCH20K

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