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200-400 W

Japan JIS 200-400W 一般工程用铸造碳钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 200-400W / 200-400 W
Category Grade Standard Region/Area Standard Content
Metals 200-400 W JIS G7821 Japan 一般工程用铸造碳钢

Chemical composition(mass fraction)(wt.%) of the 200-400 W

Element Min Max Similar

Mechanical Properties of steel grade 200-400 W

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)
668 (≥) 361 (≥) 33 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade 200-400 W

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
33 - -     0.13 -  
295 694 - 14.3 443   -  
185 - 11 21.2   121 433

Heat Treatment of steel grade 200-400 W

Heat treated : 1915°C - 1594°C

Technological Curves of steel grade 200-400 W

Cross Reference Table (Equivalent Grade) of 200-400 W

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