USA SAE A 959 (2011) , A 959 Type XM-25 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 Type XM-25 | Precipitation-Hardening | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| C | Mn | Si | P | S | Cr | Ni | Mo | Cu |
|---|---|---|---|---|---|---|---|---|
| ≤0.05 | ≤1.00 | ≤1.00 | ≤0.03 | ≤0.03 | 14.00 -16.00 | 5.00 -7.00 | 0.50 -1.00 | 1.25 -1.75 |
| 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) |
|---|---|---|---|---|---|---|
| 997 (≥) | 216 (≥) | 44 | 24 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 |
| 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 | - | - | 0.13 | - | |||
| 936 | 772 | - | 24.3 | 342 | - | ||
| 618 | - | 33 | 33.2 | 221 | 421 |
Heat treated : 1937°C - 1564°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| XM-25 | |||
| XM-25 | |||
| XM-25 | |||
| Custom 450/XM-25(S45000) | |||
| XM-25 | |||
| ASTM XM-25 | |||
| Custom450(XM-25) | |||
| S45000 | |||
| S45000 | |||
| S45000 | |||
| UNS S45000 | |||
| S45000 |
| A 959 (2011) | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels | A-959-(2011)-.pdf |
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