Alloy 188 is a cobalt-nickel-chromium-tungsten super alloy that is sold under different brand names including: Nickel Alloy 188, Haynes® 188, Udimet 188®. Due to its high level of chromium mixed with small amounts of lanthanum, Alloy 188 can be used to create products that are incredibly tough and corrosion resistant.

Alloy 188 provides an excellent high-temperature strength, suflidation resistance, and good oxidation resistance up to 2000 °F (1095°C). Fabrication is not difficult with Alloy 188, and it can be cold and hot worked, and offers users outstanding ductility and metallurgical stability.

Alloy 188 is also well suited for welding, methods such TIG, MIG, electron beam, and resistance welding.

Alloy 188, in all its forms, is found in many different aerospace and gas turbine engine applications including:

• Flame holders
• Transition ducts
• Afterburner liners
• Combustion cans
• Spray bars

The chemical composition of Alloy 188 is unique and includes:

• Co 39% balance
• Ni 20-24%
• Cr 21-23%
• W 13-15%
• Mn 1.25% max
• Fe 3% max

If you are looking for a nickel alloy for extreme-temperature applications that is also easy to work with and versatile, Alloy 188 is an excellent choice. Continental Steel can supply Nickel Alloy 188, Haynes® 188, Udimet® 188 in bar, strip, sheet, and wire.