BERYLCO ALLOY 10-52 is a free-machining modification of Berylco 10 (Alloy Digest Cu-6, April 1953), a copper-cobalt-beryllium alloy which can be precipitation hardened to achieve good electrical conductivity and high strength. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-264. Producer or source: Kawecki Berylco Industries Inc..

BERYLCO Alloy 41C is a highly castable, air-melting nickel-base alloy; it is precipitation-hardenable to high strength and hardness. It exhibits excellent resistance to wear, corrosion and oxidation. Alloy 41C (formerly called Berylco CR-1, Alloy Digest Ni-27, September 1956) is the standard beryllium-nickel casting alloy that has been in use for over 40 years. Its many uses include tooling for plastics, glass-mold tooling, fuel-pump impellers, cores for Teflon molding and deep sour-well drilling components. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance, corrosion and wear resistance as well as heat treating, machining, joining, and surface treatment. Filing Code: Ni-251. Producer or source: Kawecki Berylco Industries Inc..

Berylco 14 is a beryllium copper alloy with 0.4% Be. The alloy is an automotive industry favorite similar to Berylco 10 (see Alloy Digest Cu-6, April 1953) but with nickel substituting for cobalt. The alloy has high thermal and electrical conductivity, good strength, and superior high-temperature performance. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on heat treating. Filing Code: CU-642. Producer or source: NGK Metals Corporation.

Berylco 20CR is the most widely used high strength beryllium copper casting alloy. This alloy can be heat treated to high hardness and tensile strengths; it has high impact strength and good corrosion resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fracture toughness and fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as heat treating, machining, joining, and surface treatment. Filing Code: Cu-18. Producer or source: Beryllium Corporation.

COLUMBIUM ALLOY SU-31 is a columbium-base alloy designed to operate at temperatures up to 1300 C (2372 F). This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cb-18. Producer or source: Kawecki Berylco Industries Inc..

Berylco 25S alloy is the high-performance beryllium-copper spring material of 2 percent nominal beryllium content. It responds to precipitation-hardening for maximum mechanical properties. It has high elastic and endurance strength, good electrical and thermal conductivity, excellent resistance to wear and corrosion, high corrosion-fatigue strength, good resistance to moderately elevated temperatures, and no embrittlement or loss of normal ductility at subzero temperatures. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-3. Producer or source: Beryllium Corporation.