Commercial Bronze Flat Products UNS C22000 - Mechanical Properties

Sep 27 2012

Commercial bronze UNS C22000 has a copper content of not less than 90%.

Tabulated below are the mechanical properties of UNS C22000 flat products as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Rockwell Shear Str. Fatigue Str.
B C F 30T
H01 1mm (0.04 in) 310MPa (45ksi) 241 MPa (35ksi) 25% 42 - - 44 228 MPa (33 ksi) -
H02 1mm (0.04 in) 359MPa (52ksi) 310Mpa (45ksi) 11% 58 - - 56 241 MPa (35ksi) -
6.35 mm (0.25 in) 359MPa (52ksi) 310Mpa (45ksi) 15% 58 - - - 241 MPa (35ksi) -
H04 1mm (0.04 in) 421MPa (61ksi) 372MPa (54ksi) 5% 70 - - 63 262MPa (38ksi) -
H06 1mm (0.04 in) 462MPa (67ksi) 400MPa (58ksi) 4% 75 - - 67 276MPa (40ksi) -
H08 1mm (0.04 in) 496MPa (73ksi) 427MPa (62ksi) 3% 78 - - 69 290MPa (42ksi) -
M20 1mm (0.04 in) 269MPa (39ksi) 97MPa (14ksi) 44% - - 60 - 214MPa (31ksi) -
6.35 mm (0.25 in) 255MPa (37ksi) 69MPa (10ksi) 45% - - 53 28 - -
OS015 1mm (0.04 in) 283MPa (41ksi) 103MPa (15ksi) 42% - - 65 26 221MPa (32ksi) -
OS025 1mm (0.04 in) 269MPa (39ksi) 97MPa (14ksi) 44% - - 60 16 214MPa (31ksi) -
OS035 1mm (0.04 in) 262MPa (38ksi) 83MPa (12ksi) 45% - - 57 12 207MPa (30ksi) -
6.35 mm (0.25 in) 262MPa (38ksi) 83MPa (12ksi) 50% - - 57 - 207MPa (30ksi) -
OS050 1mm (0.04 in) 255MPa (37ksi) 69MPa (10ksi) 45% - - 53 6 193MPa (28ksi) -

The chemical composition of UNS C22000 copper alloy is outlined in the following table.

Elements Content (%)
Copper, Cu 89.0-91.0
Iron, Fe 0.05
Lead, Pb 0.05
Zinc, Zn Balance

Equivalent materials to UNS C22000 copper alloy are given in the table below.

ASTM B130 ASTM B131 ASTM B134 ASTM B135
ASTM B372 ASTM B587 ASTM B694 MIL B-18907
MIL C-3383 MIL B-20292 MIL W-6712 MIL W-85
QQ W321 SAE J461 SAE J463 ASTM B36

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