SNCM630 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Carbon Steel | SNCM630 | |||
| SNC836 | |||||
| SNCM220 | |||||
| SNCM240 | |||||
| SNCM415 | |||||
| SNCM420 | |||||
| SNCM431 | |||||
| SNCM439 | |||||
| SNCM447 | |||||
| SNCM616 | |||||
| SNCM625 | 
| C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni | 
|---|---|---|---|---|---|---|
| 0.25-0.35 | 0.15-0.35 | 0.35-0.6 | 0.03 | 0.03 | 2.5-3.5 | 2.5-3.5 | 
| Mo | Al | Cu | Nb | Ti | V | Ce | 
| 0.3-0.7 | ≤0.3 | |||||
| N | Co | Pb | B | Other | ||
| 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) | 
|---|---|---|---|---|---|---|
| 168 (≥) | 465 (≥) | 43 | 31 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 313 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.34 | - | |||
| 978 | 152 | - | 41.3 | 113 | - | ||
| 928 | - | 32 | 44.2 | 314 | 432 | 
Heat treated : 1891°C - 1429°C
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