Machinery's Handbook, 31st Edition
512
Cast CopperS AND COPPER Alloys Table 2. Properties and Applications of Cast Coppers and Copper Alloys
Typical Mechanical Properties, as Cast or Heat-Treated a
Tensile Strength (ksi)
Yield Strength (ksi)
Elonga tion in 2 in. (%)
Machin ability Rating b
Nominal Composition (%)
Typical Applications
Copper Alloys
C80100 99.95 Cu + Ag min, 0.05 others max
25
9
40
10 Electrical and thermal conductors; corrosion and oxidation-resisant applications. 10 Electrical and thermal conductors; corrosion and oxidation-resistant applications.
99.95 Cu + Ag min, 0.034 Ag min, 0.05 others max 99.75 Cu + Ag min, 0.034 Ag min, 0.02 B max, 0.23 others max 99.75 Cu + Ag min, 0.02 B max, 0.23 others max 99.70 Cu + Ag min, 0.034 Ag min, 0.30 others max
C80300
25
9
40
C80500
25
9
40
10 Electrical and thermal conductors; corrosion and oxidation-resistant applications.
C80700
25
9
40
10 Electrical and thermal conductors; corrosion and oxidation-resistant applications.
C80900
25
9
40
10 Electrical and thermal conductors; corrosion and oxidation-resistant applications. 10 Electrical and thermal conductors; corrosion and oxidation resstant applications.
C81100 99.70 Cu + Ag min, 0.30 others max
25
9
40
High-Copper Alloys
98.5 Cu min,
C81300
0.06 Be, 0.80 Co, 0.40 others max 0.06 Be, 0.80 Cr, 0.40 others max
(53)
(36)
(11)
20 Higher hardness electrical and thermal conductors.
98.5 Cu min,
C81400
(53)
(36)
(11)
20 Higher hardness electrical and thermal conductors.
Electrical and/or thermal conductors used as structural members where strength and hardness greater than that of C80100-81100 are required. Electrical and/or thermal conductors used as structural members where strength and hardness greater than that of C80100-81100 are required. Also used in place of C81500 where electrical and/or thermal conductivities can be sacrificed for hardness and strength.
C81500 98.0 Cu min, 1.0 Cr, 0.50 others max
(51)
(40)
(17)
20
94.2 Cu min,
C81700
1.0 Ag, 0.4 Be, 0.9 Co, 0.9 Ni
(92)
(68)
(8)
30
C81800 95.6 Cu min, 1.0 Ag, 0.4 Be, 1.6 Co C82000 96.8 Cu, 0.6 Be, 2.6 Co
50 (102) 25 (75)
20 (8)
20 Resistance-welding electrodes, dies.
Current-carrying parts, contact and switch blades, bushings and bearings, and soldering iron and resistance-welding tips. Electrical and/or thermal conductors used as structural members where strength and hardness greater than that of C80100-81100 are required. Also used in place of C81500 where electrical and/or thermal conductivities can be sacrificed for hardness and strength. Clutch rings, brake drums, seam-welder electrodes, projection welding dies, spot-welding tips, beam-welder shapes, bushings, water-cooled holders.
50 (100) 20 (75)
20 (8)
20
C82100 97.7 Cu, 0.5 Be, 0.9 Co, 0.9 Ni
(92)
(68)
(8)
30
C82200 96.5 Cu min, 0.6 Be, 1.5 Ni
57 (95) 30 (75)
20 (8)
20
C82400 96.4 Cu min, 1.70 Be, 0.25 Co C82500 97.2 Cu, 2.0 Be, 0.5 Co, 0.25 Si C82600 95.2 Cu min, 2.3 Be, 0.5 Co, 0.25 Si C82700 96.3 Cu, 2.45 Be, 1.25 Ni C82800 96.6 Cu, 2.6 Be, 0.5 Co, 0.25 Si
72 (150) 37 (140) 20 (1)
20 Safety tools, molds for plastic parts, cams, bushings, bearings, valves, pump parts, gears. 20 Safety tools, molds for plastic parts, cams, bushings, bearings, valves, pump parts.
80 (160)
45
20 (1)
82 (165) 47 (155) 20 (1)
20 Bearings and molds for plastic parts. 20 Bearings and molds for plastic parts.
(155)
(130)
(0)
97 (165) 55 (145) 20 (1)
10 Molds for plastic parts, cams, bushings, bearings, valves, pump parts, sleeves.
Copyright 2020, Industrial Press, Inc.
ebooks.industrialpress.com
Made with FlippingBook - Share PDF online