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Japan JIS SWCH18K 冷镦和冷锻碳钢丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SWCH18K / SWCH 18K
Category Grade Standard Region/Area Standard Content
Metals SWCH 18K JIS G3539 Japan 冷镦和冷锻碳钢丝

Chemical composition(mass fraction)(wt.%) of the SWCH 18K

Element Min Max Similar
Si 0.1000 0.3500 -
S - 0.0350 -
P - 0.0300 -
Mn 0.6000 0.9000 -
C 0.1500 0.2000 -

Mechanical Properties of steel grade SWCH 18K

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)
449 (≥) 836 (≥) 12 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade SWCH 18K

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
22 - -     0.42 -  
754 163 - 44.3 243   -  
234 - 34 42.2   134 321

Heat Treatment of steel grade SWCH 18K

Heat treated : 1572°C - 1943°C

Technological Curves of steel grade SWCH 18K

Cross Reference Table (Equivalent Grade) of SWCH 18K

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