STEP 1
High-Temperature Strength
Surpasses most solid solution strengthened nickel and Fe Ni Cr grades by retaining structural integrity at temperatures where conventional alloys undergo softening.
Udimet Alloy 188
Udimet 188 (UNS R30188) is a premium Co Ni Cr W superalloy valued for superior high temperature mechanical strength and excellent oxidation resistance sustained up to 2000°F (1095°C), finding extensive service within aerospace and gas turbine systems under rigorous cyclic operating conditions.
Udimet Alloy 188 Basic Introduction
Udimet 188 (UNS R30188) is a premium Co Ni Cr W superalloy valued for superior high temperature mechanical strength and excellent oxidation resistance sustained up to 2000°F (1095°C), finding extensive service within aerospace and gas turbine systems under rigorous cyclic operating conditions.
Nominal Chemical Composition
- Cobalt (Co): Balance (~37 wt.%)
- Nickel (Ni): 22.0 wt.%
- Chromium (Cr): 22.0 wt.%
- Tungsten (W): 14.0 wt.%
- Iron (Fe): Max 3.0 wt.%
- Lanthanum (La): 0.04 wt.%
Udimet Alloy 188 Properties
Udimet Alloy 188 Applicaiton
Thanks to outstanding thermal and mechanical endurance, Udimet 188 is predominantly specified for hot zone components of aero and industrial gas turbines:
- Combustor liners & combustion cans
- Transition ducts
- Flame stabilizers
- Afterburner linings
- Exhaust support frames and fuel spray bars
