USA SAE A 959 (2011), A 959 S21500 Specialsteel Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | A 959 S21500 | Austenite | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| C | Mn | Si | P | S | Cr | Ni | Mo | B | Nb | V |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.15 | 5.50 -7.00 | ≤1.20 | ≤0.04 | ≤0.03 | 14.00 -16.00 | 9.00 -11.00 | ≤ ≥ | 0.003 -0.009 | 0.75 -1.25 | 0.15 -0.40 |
| 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) |
|---|---|---|---|---|---|---|
| 377 (≥) | 565 (≥) | 43 | 12 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 |
| 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 |
|---|---|---|---|---|---|---|---|
| 22 | - | - | 0.32 | - | |||
| 277 | 696 | - | 34.3 | 224 | - | ||
| 622 | - | 22 | 23.2 | 431 | 233 |
Heat treated : 1111°C - 1322°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| Esshete 1250 | |||
| UNS 51250 | |||
| S21500 | |||
| S21500 |
| A 959 (2011) | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels | A-959-(2011).pdf |
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