ALLOY X high temperature alloys are matrix-hardened nickel-chromium-molybdenum-iron alloys with cobalt and tungsten additives. 

• Excellent oxidation resistance at temperatures up to 1200°C (2190°F) 
• High temperature strength 
• Good formability and weldability 
• Good resistance to stress corrosion cracking 
• Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking.