Haynes 188 (UNS R30188): Cobalt Superalloy für Combustion Chambers
AMS 5608 / ASTM B435 · Published: 2026-06-02 · Updated: July 2026
Haynes 188: cobalt-base superalloy with exceptional oxidation resistance to 1,095°C and outstanding post-aging ductility — retains 15-20% elongation after 1,000+ hours at 870°C. For military and commercial engine combustor liners, transition...
Haynes 188: cobalt-base superalloy mit exceptional oxidation widerstand zu 1,095°C und outstanding post-aging ductility — retains 15-20% elongation nach 1,000+ hours bei 870°C. Für military und commercial motor combustor liners, transition ducts, afterburner flame holders. Cobalt resists sulfidation von jet kraftstoff sulfur.
Quick Facts
| Kategorie | Nickel Alloy |
| Norm | AMS 5608 / ASTM B435 |
| Density | 9130 kg/m³ |
| Yield Strength | 450 MPa |
| Tensile Strength | 950 MPa |
Global Equivalents & Cross-Reference
Verwandt Materials
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Frequently Asked Questions
Warum cobalt nicht nickel für combustors?
Cobalt retains ductility nach lang-term exposure (nickel forms embrittling TCP phases). Better sulfidation widerstand von jet kraftstoff.
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