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Japan JIS SWO-V 阀用弹簧的油回火钢丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SWO-V / SWO-V
Category Grade Standard Region/Area Standard Content
Metals SWO-V JIS G3561 Japan 阀用弹簧的油回火钢丝

Chemical composition(mass fraction)(wt.%) of the SWO-V

Element Min Max Similar
Si 0.1200 0.3200 -
S - 0.0250 -
P - 0.0250 -
Mn 0.6000 0.9000 -
Cu - 0.2000 -
C 0.6000 0.7500 -

Mechanical Properties of steel grade SWO-V

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)
527 (≥) 244 (≥) 21 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade SWO-V

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 - -     0.22 -  
375 545 - 21.3 412   -  
737 - 23 21.2   224 441

Heat Treatment of steel grade SWO-V

Heat treated : 1412°C - 1921°C

Technological Curves of steel grade SWO-V

Cross Reference Table (Equivalent Grade) of SWO-V

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