USA UNS SAE J 471 (1973), Grade 2 Class 1 Type 4 Specialsteel Sintered powder metal parts: Ferrous and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | Grade 2 Class 1 Type 4 | Precipitation-Hardening | UNS | USA | Sintered powder metal parts: Ferrous |
| C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo | B | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.05 | ≤0.20 | ≤0.50 | ≤ ≥ | ≤ ≥ | ≤remaining | 15.00 -17.00 | 4.00 -5.00 | ≤ ≥ | ≤0.50 | 2.00 -4.00 | ≤ ≥ | ≤0.50 | ≤0.006 | ≤0.05 |
| 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) |
|---|---|---|---|---|---|---|
| 542 (≥) | 936 (≥) | 12 | 22 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 |
| 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 |
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.23 | - | |||
| 396 | 517 | - | 22.3 | 332 | - | ||
| 593 | - | 31 | 34.2 | 212 | 122 |
Heat treated : 1651°C - 1995°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| S21400 | |||
| S21460 | |||
| 214 | |||
| 214 | |||
| S21400 | |||
| S21400 | |||
| UNS G12144 | |||
| UNS G12144 | |||
| UNS W21418 | |||
| UNS W74214 | |||
| UNS K21451 | |||
| UNS K21450 | |||
| UNS K21485 | |||
| UNS W82141 | |||
| SS14:2140 | |||
| SS14:2140 | |||
| SS14:2140 |
| SAE J 471 (1973) | Sintered powder metal parts: Ferrous | SAE-J-471-(1973).pdf |
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