EIN-286 (UNS S66286): Precipitation-Hardening Alloy für Fasteners zu 700°C
AMS 5731 / ASTM A453 Gr 660 · Published: 2026-06-02 · Updated: July 2026
A-286 is the standard aerospace fastener alloy for 500-700°C service — where 17-4PH is too weak and Inconel 718 is overkill. Gamma-prime (Ni3(Ti,Al)) precipitation provides strength. For gas turbine bolting, springs, and fasteners. Iron-base =...
EIN-286 ist der standard aerospace fastener alloy für 500-700°C service — wo 17-4PH ist zu weak und Inconel 718 ist overkill. Gamma-prime (Ni3(Ti,Al)) precipitation provides strength. Für gas turbine bolting, springs, und fasteners. Iron-base = fraction von nickel alloy kosten.
Quick Facts
| Kategorie | Edelstahl |
| Norm | AMS 5731 / ASTM A453 Gr 660 |
| Density | 7920 kg/m³ |
| Yield Strength | 690 MPa (aged) |
| Tensile Strength | 1,000 MPa |
Global Equivalents & Cross-Reference
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Frequently Asked Questions
EIN-286 vs 17-4PH für fasteners?
17-4PH limited zu ~315°C. EIN-286 maintains strength zu 700°C. Für 300-700°C fasteners, EIN-286 ist standard.
References & International Standards
- ASTM International. Norm Specifications für Stahl & Metal Alloys. astm.org
- International Organization für Standardization (ISO). Metallic Materials — Cross-Referenz Database. iso.org
- American Iron und Stahl Institute (AISI). Stahl Güte Designations & Equivalents. steel.org
- European Committee für Standardization (CEN). EN Stahl Standards & Numbering System. cencenelec.eu