China CNS SN400B China Taiwan Structural steel and SN400B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
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Steel Grades | Structure Steel | SN400B | CNS | China | China Taiwan Structural steel |
SMA490BW |
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SMA490CW |
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SMA490AP |
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SMA490BP |
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SMA490CP |
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SMA570W |
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SMA570P |
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SPA-H |
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SPA-C |
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SN400A |
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) |
---|---|---|---|---|---|---|
469 (≥) | 625 (≥) | 22 | 43 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 |
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 | - | - | 0.42 | - | |||
135 | 353 | - | 42.3 | 231 | - | ||
238 | - | 13 | 23.2 | 323 | 234 |
Heat treated : 1528°C - 1115°C
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