USA ASTM SAE AMS 6303H (2012), SAE AMS 6436C (2001), 17-22-A V Specialsteel Steel Bars and Forgings, Low Alloy, Heat-Resistant 0.65Si - 1.25Cr - 0.50Mo - 0.85V (0.25 - 0.30C) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 17-22-A V | Precipitation-Hardening | ASTM | USA | Steel Bars and Forgings, Low Alloy, Heat-Resistant 0.65Si - 1.25Cr - 0.50Mo - 0.85V (0.25 - 0.30C) | 
| C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | V | Mo | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.28 | ≤0.65 | ≤0.75 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤1.25 | ≤ ≥ | ≤ ≥ | ≤ ≥ | remaining - ≥ | ≤0.85 | ≤0.50 | 
| 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) | 
|---|---|---|---|---|---|---|
| 359 (≥) | 482 (≥) | 22 | 11 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 | 
| 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 | - | - | 0.44 | - | |||
| 681 | 649 | - | 41.3 | 443 | - | ||
| 687 | - | 34 | 32.2 | 241 | 311 | 
Heat treated : 1794°C - 1787°C
| SAE AMS 6303H (2012) | Steel Bars and Forgings, Low Alloy, Heat-Resistant 0.65Si - 1.25Cr - 0.50Mo - 0.85V (0.25 - 0.30C) | SAE-AMS-6303H-(2012).pdf | 
| SAE AMS 6436C (2001) | Sheet, Strip and Plate, Low-alloy, Heat Resistant, 0,65Si - 1,25Cr - 0,50Mo - 0,85V - (0,25-0,30C) | SAE-AMS-6436C-(2001).pdf | 
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