USA SAE F 594 (2009), F 594 18-9LW Specialsteel Standard Specification for Stainless Steel Nuts and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | F 594 18-9LW | Precipitation-Hardening | SAE | USA | Standard Specification for Stainless Steel Nuts |
| C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | V | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.10 | ≤0.65 | ≤ ≥ | ≤ ≥ | ≤ ≥ | 8.00 -10.00 | 17.00 -19.00 | ≤ ≥ | 3.00 -4.00 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ |
| 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) |
|---|---|---|---|---|---|---|
| 195 (≥) | 752 (≥) | 33 | 33 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 |
| 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 |
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.42 | - | |||
| 573 | 855 | - | 11.3 | 312 | - | ||
| 349 | - | 43 | 22.2 | 314 | 224 |
Heat treated : 1536°C - 1889°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 18-9LW |
| F 594 (2009) | Standard Specification for Stainless Steel Nuts | F-594-(2009).pdf |
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