DRIVER 30 ALLOY is a copper-nickel alloy for use where low electrical resistance is required. The number designation corresponds to its specific resistivity (30 ohms/cir mil/ft) which is combined with a relatively high temperature coefficient of resistance. Its maximum recommended operating temperature is 600 F (316 C). This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-337. Producer or source: Wilbur B. Driver Company.

TOPHET-30 is a 70 Ni-30 Cr heat resistant alloy having high specific resistance, high elevated temperature strength and good oxidation resistance to 2300 F. It is recommended for heating elements. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance as well as joining. Filing Code: Ni-135. Producer or source: Wilbur B. Driver Company.

Tophet-D is an iron-nickel-chromium alloy recommended for electric furnace heating elements and electrical resistors operating up to 1600 F. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on high temperature performance as well as forming, heat treating, and machining. Filing Code: Fe-30. Producer or source: Wilbur B. Driver Company.

DRIVER 60 ALLOY is a copper-nickel alloy for use where fairly low electrical resistance is required. The number designation corresponds to its specific resistivity (60 ohms/cir mil/ft) which is combined with a fairly high temperature coefficient of resistance. Its maximum recommended operating temperature is 600 F (316 C). This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-339. Producer or source: Wilbur B. Driver Company.

DRIVER 180 ALLOY is a copper-nickel alloy for use where moderate electrical resistance is required. The number designation refers to its specific resistivity (180 ohms/cir mil/ft) which is combined with a fairly low coefficient of resistance (180 x 10^-6 per C). Its maximum recommended operating temperature is 1000 F. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-348. Producer or source: Wilbur B. Driver Company.

DRIVER 90 ALLOY is a copper-nickel alloy for use where only moderately low electrical resistance is required. The number designations refers to its specific resistivity (90 ohms/cir mil/ft) which is combined with a moderate coefficient of resistance. Its maximum recommended operating temperature is 800 F. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on forming and heat treating. Filing Code: Cu-343. Producer or source: Wilbur B. Driver Company.

THERLO, also known as D-H Alloy No. 373, is an iron-nickel-cobalt alloy ideally suited for sealing to glass. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: Fe-11. Producer or source: Driver-Harris Company. Originally published July 1956, revised August 1961.

TOPHET H is a heating-element alloy specifically designed for use in duct heaters and clothes dryers where hot strength and long life are of most importance. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: Ni-162. Producer or source: Wilbur B. Driver Company.

Midohm is a copper-nickel, heat resistant alloy having a maximum operating temperature of 400 deg F. It is normally used for resistor and potentiometer applications where low specific resistance is required. This datasheet provides information on composition, physical properties, and tensile properties. Filing Code: Cu-117. Producer or source: Driver-Harris Company.

HYTEMCO is a nickel-iron alloy with a high temperature coefficient of electrical resistance. It is recommended for electrical instruments and controls, such as ballistic devices and resistance thermometers, operating in air up to 1100 F. This datasheet provides information on composition, physical properties, and tensile properties. Filing Code: Ni-165. Producer or source: Driver-Harris Company.

RODAR is a cobalt, nickel, iron alloy recommended for sealing into hard glass. Has similar expansion curve as glass, makes firm bond between metal and glass, is easy to machine and form, and has high resistance to thermal shock. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: Fe-6. Producer or source: Wilbur B. Driver Company.

Niromet 46 is a 46% nickel-iron alloy having low and controlled coefficient of expansion. It is recommended for metal-to-glass seals and terminal bands in vitreous enameled resistors. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Fe-39. Producer or source: Wilbur B. Driver Company.

KARMA is a precipitation hardening nickel alloy of chromium, aluminum and iron, having unusually high electrical resistivity and the ability to retain stable electric resistance values over wide ranges of temperatures. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance as well as joining. Filing Code: Ni-140. Producer or source: Driver-Harris Company.

MANGANIN is an alloy of copper, manganese and nickel recommended for resistors in precision built electrical apparatus and for shunts for D.C. ammeters. This datasheet provides information on composition and physical properties. Filing Code: Cu-126. Producer or source: Driver-Harris Company.

D-H No. 245 is a nickel-base alloy with extraordinary oxidation resistance at elevated temperatures. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance. Filing Code: Ni-43. Producer or source: Driver-Harris Company.

CHROMAX is a nickel-chromium-iron alloy suitable for operations at temperatures up to 1900 F. It resists corrosion, heat, and oxidation to a remarkable degree. It is supplied in the cast or wrought form. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on corrosion resistance as well as casting, forming, heat treating, machining, and joining. Filing Code: SS-6. Producer or source: Driver-Harris Company.

CERAMVAR is an iron, nickel, cobalt alloy specially designed and suited for ceramic-to-metal sealing. It has expansion characteristics closely matching those of high temperature alumina ceramics. This datasheet provides information on composition, physical properties, and elasticity. It also includes information on forming, machining, joining, and surface treatment. Filing Code: Fe-21. Producer or source: Wilbur B. Driver Company.

EVANOHM alloy S offers optimum stability and flexibility with regard to both size and required temperature coefficient of resistance. Its extremely low electromotive force vs copper together with its high electrical resistivity are highly desirable properties in a precision resistance wire. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance as well as joining. Filing Code: Ni-373. Producer or source: Wilbur B. Driver Company.

BALCO is a nickel-iron alloy recommended for applications operating in air at 1100 deg. F. It is used in electrical instruments and controls such as resistance thermometers and ballistic devices. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on high temperature performance. Filing Code: Ni-71. Producer or source: Wilbur B. Driver Company.

EVANOHM alloy R is an electrical resistance alloy with exceptional stability. Its resistivity increases during heat treatment and once obtained does not change significantly even when used at temperatures as high as 392 F (200 C). Resistors made with EVANOHM alloy R show a maximum drift of 5ppm per year over 15 years. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance. Filing Code: Ni-372. Producer or source: Wilbur B. Driver Company.