SAE W209 Commercial Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Carbon Steel | SAE W209 Commercial | |||
| UNS   T72305 | |||||
| AISI   W108  Commercial | |||||
| SAE   W108  Commercial | |||||
| AISI   W109  Commercial | |||||
| SAE   W109  Commercial | |||||
| AISI   W110  Commercial | |||||
| SAE   W110  Commercial | |||||
| AISI   W112  Commercial | |||||
| SAE   W112  Commercial | |||||
| AISI   W209  Commercial | 
| C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni | 
|---|---|---|---|---|---|---|
| 0.85-0.95 | 0.35 | 0.35 | 0.025 | 0.025 | 0.2 | |
| Mo | Al | Cu | Nb | Ti | V | Ce | 
| 0.15-0.35 | ||||||
| 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) | 
|---|---|---|---|---|---|---|
| 223 (≥) | 275 (≥) | 41 | 33 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 21 | - | - | 0.43 | - | |||
| 419 | 355 | - | 23.3 | 243 | - | ||
| 572 | - | 11 | 41.2 | 211 | 322 | 
Heat treated : 1772°C - 1335°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| SAE NVl(1541) | SAE | USA | precipitation hardening | 
| SAE NV2(1547) | SAE | USA | precipitation hardening | 
| SAE NV3 | SAE | USA | precipitation hardening | 
| SAE NV4(3140) | SAE | USA | precipitation hardening | 
| SAE NV5(8645) | SAE | USA | precipitation hardening | 
| SAE NV6(5150) | SAE | USA | precipitation hardening | 
| SAE NV7(4140) | SAE | USA | precipitation hardening | 
| SAE NV8 | USA | precipitation hardening | |
| SAE NV9 | SAE | USA | precipitation hardening | 
| SAE HNVl | SAE | USA | precipitation hardening | 
| SAE HNV2 | SAE | USA | precipitation hardening | 
| SAE HNV3 | SAE | USA | precipitation hardening | 
| SAE HNV4 | SAE | USA | precipitation hardening | 
| SAE HNV5 | SAE | USA | precipitation hardening | 
| SAE HNV6 | SAE | USA | precipitation hardening | 
| SAE HNV7(71360) | SAE | USA | precipitation hardening | 
| SAE HNV8 | SAE | USA | precipitation hardening | 
| SAE EVl | SAE | USA | precipitation hardening | 
| SAE EV2 | SAE | USA | precipitation hardening | 
| SAE EV3 | SAE | USA | precipitation hardening | 
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