Machinery's Handbook, 31st Edition
Wrought CopperS AND COPPER Alloys Table 3. Properties and Applications of Wrought Coppers and Copper Alloys Table 3. (Continued) Properties and Applications of Wrought
521
Strength (ksi) Elonga tion in 2 in. (%) Tensile Yield
Nominal Composi tion (%)
Machin ability Rating a
Name and Number
Fabricating Characteristics and Typical Applications
Excellent cold workability. Fabricated by blanking, drawing, bending, forming, shearing, and stamping. Uses: spring applications for electrical switches. Excellent cold workability; good hot formability. Fabricated by blanking, piercing, forming, and drawing. Uses: sash chains, fuse clips, terminals, spring washers, contact springs, electrical connectors. Excellent cold workability. Fabricated by blanking, piercing, forming, and drawing. Uses: electrical switches, springs, terminals, connectors, fuse clips, pen clips, weather stripping. Excellent cold workability; good hot formability. Fabricated by blanking, coining, drawing, forming, bending, heading, and upsetting. Uses: same as C42500. Excellent cold workability. Fabricated by blanking, drawing, bonding, forming, stamping, and shearing. Uses: electrical switch parts, blades, relay springs, contacts. Excellent cold workability for fabrication by forming and bending. Uses: Bourdon tubing and musical instruments. Excellent cold workability for forming and bending. Uses: condenser, evaporator and heat-exchanger tubing, condenser tubing plates, distiller tubing, ferrules. Excellent hot workability and hot forgeability. Fabricated by blanking, drawing, bending, heading and upsetting, hot forging, pressing. Uses: aircraft turnbuckle barrels, balls, bolts, marine hardware, nuts, propeller shafts, rivets, valve stems, condenser plates, welding rod. Good hot workability for hot forging, pressing, and machining operations. Uses: marine hardware, screw-machine products, valve stems. Combines good hot forgeability and machinability. Fabricated by hot forging and pressing, machining. Uses: marine hardware, screw-machine parts, valve stems. Excellent cold workability; good hot formability. Fabricated by blanking, bending, heading and upsetting, shearing and swaging. Uses: electrical contacts, flexible hose, pole-line hardware. Excellent cold workability. Fabricated by blanking, drawing, bending, heading and upsetting, roll threading and knurling, shearing, stamping. Uses: bellows, Bourdon tubing, clutch discs, cotter pins, diaphragms, fasteners, lock washers, wire brushes, chemical hardware, textile machinery, welding rod. Excellent cold workability. Uses: bridge bearing plates, locator bars, fuse clips, sleeve bushings, springs, switch parts, truss wire, wire brushes, chemical hardware, perforated sheets, textile machinery.
91 Cu, 1.8 Sn, 7.2 Zn
C41500
46-81 17-75 44
30
87.5 Cu, 1.1 Sn, 11.4 Zn
C42200
43-88 15-75 46
30
88.5 Cu, 2.0 Sn, 9.5 Zn 87.0 Cu, 2.2 Sn, 10.8 Zn 85.0 Cu, 0.7 Sn, 14.3 Zn 81.0 Cu, 0.9 Sn, 18.1 Zn 71.0 Cu, 28.0 Zn, 1.0 Sn 60.0 Cu, 39.2 Zn, 0.8 Sn 60.5 Cu, 0.7 Pb, 0.8 Sn, 38.0 Zn 60.0 Cu, 1.8 Pb, 37.5 Zn, 0.7 Sn 98.7 Cu, 1.3 Sn, trace P
C42500
45-92 18-76 49
30
C43000
46-94 18-73 55
30
C43400
45-90 15-75 49
30
C43500
46-80 16-68 46
30
C44300, C44400, C44500 Inhibited admiralty
48-55 18-22 65
30
C46400 to C46700 Naval brass
55-88 25-66 50
30
C48200 Naval brass, medium-leaded
56-75 25-53 43
50
C48500 Leaded naval brass
57-75 25-53 40
70
C50500 Phosphor bronze, 1.25% E
40-79 14-50 48
20
C51000 Phosphor bronze, 5% A
94.8 Cu, 5.0 Sn, trace P
47-140 19-80 64
20
95.6 Cu, 4.2 Sn, 0.2 P
C51100
46-103 50-80 48
20
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