CDA ALLOY 725 (Now known as CDA ALLOY C72500) is a copper-nickel-tin alloy designed to improve the reliability of electrical connectors by resisting oxidation and thus providing improved solderability. It has a pleasant silver color and excellent joinability by soldering, brazing and spot and butt resistance welding. Its uses include electrical connectors, relay and switch springs, and builders' hardware. The revision is being made to correct an error in composition and for general updating. The original name (CDA ALLOY 725) is being retained because of the correction in composition. 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-229. Producer or source: Copper and copper alloy mills. Originally published March 1971, revised July 1985.

Alcoa C238 is a cold-finished aluminum wrought product developed for applications requiring postbrazing and welding strength. The alloy has good machinability and roll-threading characteristics. It has slightly lower corrosion resistance as compared to 6xxx series alloys. Alloy C238 has excellent welding and very good brazing properties. Initial applications include fittings and connectors that are brazed and/or welded. This product is also available in cold-heading rod that has been used to cold-form connectors. This datasheet provides information on tensile properties. It also includes information on corrosion resistance as well as machining and joining. Filing Code: AL-353. Producer or source: ALCOA Wire, Rod & Bar Division.

CUNIP is a copper-nickel-phosphorus age-hardenable alloy which combines high strength with good electrical and thermal conductivities. It may be cold worked either before or after age hardening. Its many uses include electron-tube components, fuse springs and electrical connectors. This datasheet provides information on composition and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-376. Producer or source: Handy & Harman.

MUELLER Alloy 3406 (formerly MBCo. Alloy 314) is a medium-leaded brass alloy intended for screw-machine applications where excellent thread-rolling, knurling and cold-forming properties are required. It is characterized by an excellent combination of cold-working and free-machining properties. Among its many applications are valve stems, gears, rivets and threaded connectors. 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-379. Producer or source: Mueller Brass Company.

MUELLER Alloy 3470 (formerly MBCo. Alloy 312) is a wrought medium-leaded brass alloy intended for screw-machine applications where excellent thread-rolling, knurling and cold-forming properties are required. It is characterized by an excellent combination of free-machining and cold-working properties. Typical applications include valve stems, threaded connectors and flare fittings. 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-393. Producer or source: Mueller Brass Company.

Copper Alloy No. C31600 is a free-machining copper-zinc-lead-nickel alloy with moderate strength and good ductility. It has fairly good electrical conductivity and an attractive, rich-looking bronze color. Its many applications include screw-machine parts, architectural fabrications, electrical connectors and hardware. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-399. Producer or source: Brass mills.

Copper Alloy No. C34000 is a medium-leaded brass characterized by an excellent combination of free-machining and cold-working properties. It is intended for screw-machine applications where excellent thread-rolling, knurling, machining and cold-forming properties are required. Among its many applications are gears, nuts, rivets, screws and threaded connectors. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-415. Producer or source: Copper and copper alloy mills.

ULTRONZE is a copper alloy also known as Olin Alloy 654. It bridges the gap between standard high-performance copper alloys and beryllium-copper alloys, thus enabling the design of parts with properties previously only attainable with more expensive materials. The alloy has superior stress-relaxation characteristics, good bend performance and excellent corrosion resistance. Among its typical uses are electrical connectors, fuse clips and relay springs. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength. It also includes information on corrosion resistance as well as forming, heat treating, and machining. Filing Code: Cu-417. Producer or source: Olin Brass.

ANACONDA Alloy 226 nominally contains 87.5% copper and remainder zinc. This composition gives it a pleasing, rich color, hence the old name Jewelry Bronze. It possesses a resistance to dezincification and to stress-corrosion cracking that makes it ideal for all-weather usage as well as for decorative purposes. Among its many uses are slide fasteners, wire for screens of all types, electrical connectors, costume jewelry and platers' bars in the manufacture of gold-plated articles. 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, joining, and surface treatment. Filing Code: Cu-427. Producer or source: Anaconda American Brass Company.

MUELLER COPPER 1470 is a high-conductivity copper to which sulfur has been added to provide free-machining characteristics. Thus it is well suited for screw-machine work. Its electrical conductivity and corrosion resistance approach those of copper but it has higher strength and better machinability. Among its many specific applications are plumbing fittings, electrical connectors, screws, cold-heated and machined parts and cold forgings. 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-440. Producer or source: Mueller Brass Company.

Copper Alloy No. C18700 is a copper-base alloy containing lead (nominally 1.0%). The lead is added to impact free-cutting properties to the metal. Although the lead lowers the electrical conductivity of Alloy No. C18700 slightly below that of tough-pitch copper, it still has high electrical conductivity well within the limits needed for most current-carrying requirements. Typical uses comprise electrical motor and switch parts, electrical connectors and screw-machine parts requiring high conductivity. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-441. Producer or source: Copper and copper alloy mills.

PFINODAL C72900 is a copper-base alloy that derives its strength from spinodal hardening. It is produced by the manufacturer's wrought powder-metallurgy process for strip metal. This process provides the homogeneity and uniformity needed to achieve fully the available properties of the alloy system. Pfinodal C72900 is available in a variety of tempers. It is used for electronic connectors, switches and springs, especially for those requiring an exceptional combination of strength, thermal stability, formability and corrosion resistance. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-467. Producer or source: Pfizer Inc..

AMCROM is an oxygen-free copper containing chromium. It can be precipitation hardened to enhance its strength and to increase its electrical conductivity. AMCROM is produced by adding chromium to oxygen-free copper. AMCROM copper contains fewer inclusions than conventional chromium copper and as a result, has greater ductility and uniformity. Typical applications of AMCROM include resistance welding electrode tips and wheels, electrical contacts and connectors and high-temperature wire. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties 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: Cu-466. Producer or source: Amax Copper Inc..

Copper Alloy NO. 182 is an age-hardening type of alloy that combines relatively high electrical conductivity with good strength and hardness. It was formerly known as Chromium Copper and its applications include such uses as resistance-welding-machine electrodes, switch contacts and cable connectors. 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 high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-305. Producer or source: Copper and copper alloy mills.

BRUSH Alloy 25 attains the highest strength and hardness of any copper-base alloy. In the age-hardened condition, its tensile strength can exceed 200,000 psi and its Rockwell C hardness can reach 45. Its many applications include springs, deep-drawing parts, current-carrying springs connectors. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Cu-356. Producer or source: Brush Wellman Inc..

Copper Alloy No. 314 is a copper-zinc-lead alloy with moderate strength and good ductility. It has good electrical conductivity, excellent machinability and a rich bronze color. Its uses include electrical connectors, screw-machine parts and builders' hardware. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-357. Producer or source: Brass mills.

EVERDUR-637 is a high-strength, corrosion resistant copper alloy containing silicon and aluminum. It is also characterized by its good forging and machining qualities. It is recommended for fasteners, valve stems, marine hardware, cable connectors, etc. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-183. Producer or source: Anaconda American Brass Company.

BRUSH alloy M25 is a free-machining beryllium-copper alloy having good response to age-hardening for high strength, hardness, fatigue and corrosion resistance. It is recommended for screw machine products, gears, shafts, hardware, fasteners, connectors, electronic and electrical components. 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-217. Producer or source: Brush Beryllium Company.

Copper Alloy No. C40800 is brass with an addition of tin (nominally 2%). It can be machined and formed successfully. It can be joined by several methods and as good resistance to corrosion. A typical use is electrical connectors but it also can be used for bushings, washers and costume jewelry. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-474. Producer or source: Brass mills.

Copper Alloy No. C42200 is brass with an addition of tin (nominally 1.1%). It can be machined, formed and joined successfully. It has good resistance to corrosion. Typical uses include terminals, fuse clips, contact springs and electrical connectors. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on heat treating. Filing Code: Cu-482. Producer or source: Copper and copper alloy mills.