| Home | About Us | Terms of Use | Privacy Policy | Contact Us | Technical Chart | RFQ | |
| Palmer Associates P.O. Box 164 Hudson, NH 03051 |
Call: 603.889.5422 | Fax: 603.881.9402 (dick@castingreps.com) |
| Ferrous Hardened Steel Alloy Charts | Close Window |
| Alloy | Similar Designation |
Usual Condition |
Castability | Machinability | Corrosion Resistance | Weldability | Hardanable | Density (g/cm3) | As-Cast Tensile Strength (psi) | As-Cast Yield Strength (psi) | As-Cast Elongation (%) | As-Cast Hardness | Annealed Tensile Strength (psi) | Annealed Yield Strength (psi) | Annealed Elongation (%) | Annealed Hardness | Heat Treated Tensile Streangth (psi) | Heat Treated Yield Strength (psi) | Heat Treated Elongation (%) | Heat Treated Hardness | Comments |
| 15-5 PH (J92110) | AMS 5357 ASTM A747 | Homogenized, Solution Treated and Aged | 3 | 3 | 2 | 3 | Yes | 7.8 | 160,000 | 130,000 | 8 | HRC 36 max | 200,000 | 185,000 | 14 | HRC 40/45 | Same as 17-4 except greater ductility. | ||||
| 17-4 PH (J92180) | AMS 5355 ASTM A 747 MIL S 81591 | Homogenized, Solution Treated and Aged | 2 | 3 | 2 | 2 | Yes | 7.8 | 180,000 | 160,000 | 6 | HRC 36 max | 200,000 | 185,000 | 12 | HRC 40/45 | Very good corrosion resistance and hardness. Easily machined. Very popular alloy. |
||||
| 25-5 PH (J933370) | ASTM A351 ASTM A743 | Solution Treated and Aged | 3 | 3 | 2 | 2 | Yes | 7.8 | 100,000 | 70,000 | 12 | HRC 30 | HRB 55 | Best combination of strength and corrosion resistance. |
| Key: | 1 = Excellent 2 = Very Good 3 = Good 4 = Fair 5 = Poor |
| Hardness Scales: | HRB - Rockwell Hardness, B Scale HRE - Rockwell Hardness, E Scale HRC - Rockwell Hardness, C Scale |
| No data available - metal not usually used in this condition. |