Alloy 6230 - AMS 5878, UNS 6230

Alloy 6230 is a nickel-chromium-tungsten-molybdenum alloy. This grade is known for its excellent high temperature strength, long term stability resistance to oxidizing environments up to 2100°F.  Alloy 6230 exhibits good resistance to caruburization. This grade excels in creep and fatigue resistance at high temperatures and due to its lower thermal expansion characteristics, it resists grain coursening when exposed to high temperatures for long periods of time. Alloy 6230 combines excellent high temperature strength and fabricability at room temperature. 


Alloy 6230 Inventory Size Ranges

Sheet & Coil

0.040" - 0.125"

Sheet Quote Coil Quote

Standard Inventory Specifications

  • UNS 6230
  • AMS 5878
  • ASTM B 435
  • ASME SB 435

Common Applications of Alloy 6230

  • Gas turbine components
  • Heat treat baskets/trays/furnace retorts
  • High temperature bellows
  • Chemical processing components
  • Flame holders
  • Combustion cans
  • Dampers
  • Domestic produced materials
Alloy 6230 Chemical Composition
Element Percent by Weight
Cr Chromium 20.0 - 24.0%
Co Cobalt 5.0% Max
Fe Iron 3.0% Max
Mo Molybdenum 1.0% -3.0% Max
Cu Copper 0.5% Max
Mn Manganese 0.3 - 1.0 Max
P Phosphorus 0.25 - 0.75% Max
Si Silocon 0.25 - .75% Max
Al Aluminum 0.20 - 0.50% Max
Ti Titanium 0.10%
C Carbon 0.05 - 0.15% Max
B Boron 0.015% Max
S Sulfer 0.015% Max
La Lanthanum 0.005 Min - 0.05% Max
Ni Nickel Remainder
Properties    Value        
Density 0.324lb/in3 (8.97 g/cm3)
Specific Gravity 7.92
Melting Range 2375 - 2500° F (1300-1374°C)
Heat Treatment Cannot be hardened by heat treating
Tensile 115 min. Mpa 793
Yield Strength 50 ksi min Mpa 345 min
Elongation 40%