UPM Nickel Alloy 188 (UNS R30188 / Werkstoff Number 2.4683) is a low-carbon, cobalt-nickel-chromium-tungsten alloy that combines excellent high-temperature strength with very good oxidation resistance up to 1095 °C (2000 °F). It is widely used in commercial and military aircraft gas turbine engines. This datasheet provides information on composition and physical properties. It also includes information on forming and joining. Filing Code: Co-130. Producer or source: United Performance Metals.

ATI 188 Alloy is a high temperature cobalt alloy with oxidation resistance to 1093 deg C (2000 deg F). This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on high temperature performance as well as forming and heat treating. Filing Code: Co-125. Producer or source: Allegheny Ludlum.

Udimet 188 is a high-temperature aerospace alloy with excellent strength and oxidation resistance. It is used in applications such as gas turbine blades and combustion area parts. The alloy has a tenacious oxide film. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on forming, heat treating, and joining. Filing Code: CO-110. Producer or source: Special Metals Corporation.

Conicro 4023 W is a high-temperature, heat-resistant, cobalt-base alloy with equal contents of nickel and chromium, a high tungsten content, and a controlled lanthanum addition. The alloy has excellent mechanincal properties and scaling resistance to 1150 deg C (2100 deg F). This datasheet provides information on composition, physical properties, and elasticity as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: CO-102. Producer or source: VDM Technologies Corporation.

Rolled Alloys 188 is a cobalt-based superalloy with a unique combination of high temperature strength and oxidation resistance, along with adequate ductility even after prolonged exposure to the 760–870 °C (1400–1600 °F) temperature range. Cobalt alloys have an inherent advantage over the nickel-based grades in high temperature creep. Rolled Alloys 188 is solid solution strengthened by a 14% tungsten addition, and further strengthened by M6C and M23C6 carbides. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: Co-136. Producer or source: Rolled Alloys Inc.