Material data sheet 13-8PH
International Standards:
1.4534 | AISI XM-13 | UNS S13800 | AMS 5629 | X3CrNiMoAl13-8-2
Applications:
Fasteners in the aerospace industry, high-performance shafts, parts with high resistance to stress corrosion cracking combined with high strength requirements, components for the oil and gas industry, fittings, valves, components for medical technology
Field of application:
| - Medical technology |
| - Aerospace |
| - Mechanical engineering |
| - Energy technology |
| - Petrochemical industry |
Characteristics:
| Polishability | n/a |
| Weldability | n/a |
| Machinability | n/a |
| Forgeability | n/a |
| Corrosion resistance | good |
| Corrosion class | n/a |
Physical properties:
| Density | 7.7 g/cm³ |
| Electrical resistance at 20°C (Ω mm2 /m) | 0,61 |
| Thermal conductivity at 20°C (W/m K) | 14.0 W/m °C |
Mechanical properties:
| Hardness acc. to Brinell | max.363 HBW |
| 0,2 % proof strength | |
| Tensile strength | Rm≤ 1650 |
| Strain | 9 |
Special properties:
- very high strength and toughness combined with good corrosion resistance
- superior ductility and transverse toughness
- Good resistance to corrosion
Processing:
| Cold heading | n/a |
| Open-die and drop forging | n/a |
| Machining | n/a |
Heat treatment:
| Forging | The forging temperature should be in the range of 927°C to 1204°C. It is important to monitor the temperature throughout the forging process and maintain it within this range. |
| Welding | 13-8 PH can be processed using various welding processes, including arc welding (e.g., MIG/MAG, TIG) and laser welding. For applications requiring high strength and toughness, low-heat processes such as laser welding or resistance spot welding are recommended. |
| Annealing | Annealing is normally carried out at temperatures between 650°C and 750°C |
| Stress relieving annealing | Stress relief annealing takes place at temperatures between 480°C and 680°C |
| Hardening | suitable |
| Starting | suitable |
Chemical analysis:
| 13-8PH | C | Si | Mn | P | S | Cr | Mo | Ni | Al | N |
|---|---|---|---|---|---|---|---|---|---|---|
| min. | 12,25 | 2,00 | 7,50 | 0,9 | ||||||
| max. | 0,05 | 0,10 | 0,20 | 0,01 | 0,008 | 13,25 | 2,50 | 8,50 | 1,35 | 0,01 |
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