Machinery's Handbook, 31st Edition
Cast CopperS AND COPPER Alloys 513 Table 2. Properties and Applications of Cast Coppers and Copper Alloys Table 2. (Continued) Properties and Applications of Cast Coppers and Copper Alloys
Typical Mechanical Properties, as Cast or Heat-Treated a
Tensile Strength (ksi)
Yield Strength (ksi) Machin ability Rating b Red Brasses and Leaded Red Brasses Elonga tion in 2 in. (%)
Nominal Composition (%)
Typical Applications
C83300 93 Cu, 1.5 Sn, 1.5 Pb, 4 Zn
32 35
10 10
35 30
35 Terminal ends for electrical cables.
Moderate strength, moderate conductivity castings; rotating bands. Valves, flanges, pipe fittings, plumbing goods, pump castings, water pump impellers and housings, ornamental fixtures, small gears. Low-pressure valves and fittings, plumbing supplies and fittings, general hardware, air-gas-water fittings, pump components, railroad catenary fittings. Pipe fittings, elbows, T’s, couplings, bushings, locknuts, plugs, unions. General hardware, ornamental castings, plumbing supplies and fixtures, low-pressure valves and fittings. Plumbing fixtures, cocks, faucets, stops, waste, air and gas fittings, low-pressure valve fittings. Plumbing fixtures, cocks, faucets, stops, waste, air, and gas, general hardware, and low-pressure valve fittings. Plumbing fittings and fixtures, ferrules, valves, hardware, ornamental brass, chandeliers, and-irons. General-purpose yellow casting alloy not subject to high internal pressure. Furniture hardware, ornamental castings, radiator fittings, ship trimmings, battery clamps, valves, and fittings. Bushings, hardware fittings, ornamental castings. General-purpose die-casting alloy having moderate strength.
C83400 90 Cu, 10 Zn
60
C83600 85 Cu, 5 Sn, 5 Pb, 5 Zn
37
17
30
84
C83800 83 Cu, 4 Sn, 6 Pb, 7 Zn
35
16
25
90
Semired Brasses and Leaded Semired Brasses
C84200 80 Cu, 5 Sn, 2.5 Pb, 12.5 Zn C84400 81 Cu, 3 Sn, 7 Pb, 9 Zn C84500 78 Cu, 3 Sn, 7 Pb, 12 Zn C84800 76 Cu, 3 Sn, 6 Pb, 15 Zn
35
14
27
80
34
15
26
90
35
14
28
90
36
14
30
90
Yellow Brasses and Leaded Yellow Brasses
C85200 72 Cu, 1 Sn, 3 Pb, 24 Zn
38
13
35
80
C85400 67 Cu, 1 Sn, 3 Pb, 29 Zn C85500 61 Cu, 0.8 Al, bal Zn C85700 63 Cu, 1 Sn, 1 Pb, 34.7 Zn, 0.3 Al C85800 58 Cu, 1 Sn, 1 Pb, 40 Zn C86100 67 Cu, 21 Zn, 3 Fe, 5 Al, 4 Mn C86200 64 Cu, 26 Zn, 3 Fe, 4 Al, 3 Mn
34
12
35
80
60 50 55
23 18 30
40 40 15
80 Ornamental castings.
80 80
Manganese and Leaded Manganese Bronze Alloys
95 95
50 48
20 20
30 Marine castings, gears, gun mounts, bushings and bearings, marine racing propellers. 30 Marine castings, gears, gun mounts, bushings and bearings.
Extra-heavy duty, high-strength alloy. Large valve stems, gears, cams, slow-speed heavy-load bearings, screwdown nuts, hydraulic cylinderparts. Free-machining manganese bronze. Valve stems, marine fittings, lever arms, brackets, light-duty gears.
C86300 63 Cu, 25 Zn, 3 Fe, 6 Al, 3 Mn
115
83
15
8
C86400 59 Cu, 1 Pb, 40 Zn
65
25
20
65
C86500 58 Cu, 0.5 Sn, 39.5 Zn, 1 Fe, 1 Al C86700 58 Cu, 1 Pb, 41 Zn C86800 55 Cu, 37 Zn, 3 Ni, 2 Fe, 3 Mn
71 85 82
28 42 38
30 20 22
26 Machinery parts requiring strength and toughness, lever arms, valve stems, gears. 55 High strength, free-machining manganese bronze. Valve stems.
30
Marine fittings, marine propellers.
Silicon Bronzes and Silicon Brasses
Bearings, bells, impellers, pump and valve components, marine fittings, corrosion-resistant castings. Bearings, gears, impellers, rocker arms, valve stems, clamps.
C87200 89 Cu min, 4 Si
55
25
30
40
C87400 83 Cu, 14 Zn, 3 Si
55
24
30
50
Copyright 2020, Industrial Press, Inc.
ebooks.industrialpress.com
Made with FlippingBook - Share PDF online