China CNS SNCM625 China Taiwan Structural steel and SNCM625 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Structure Steel | SNCM625 | CNS | China | China Taiwan Structural steel |
STKM19C |
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STKM20A |
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SNCM220 |
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SNCM240 |
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SNCM415 |
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SNCM420 |
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SNCM431 |
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SNCM439 |
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SNCM447 |
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SNCM616 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | Cu(%) |
---|---|---|---|---|---|---|---|---|
0.20-0.30 | 0.15-0.35 | 0.35-0.60 | 0.030 | 0.030 | 1.00-1.50 | 3.00-3.50 | 0.15-0.30 | 0.30 |
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) |
---|---|---|---|---|---|---|
842 (≥) | 957 (≥) | 41 | 44 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
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 | - | - | 0.14 | - | |||
329 | 392 | - | 43.3 | 213 | - | ||
297 | - | 22 | 42.2 | 343 | 223 |
Heat treated : 1871°C - 1814°C
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