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C92200

Stocked alloy specs

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Reference guide

Stocked size schedules

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Continuous cast

Leaded tin bronze alloys such as C922 are free cutting and retain favorable thermal conductivity and good lubricity due to the presence of lead. Alloy C93200 is considered this family’s workhorse alloy and is widely used in many bearing applications.

C92200 spec sheet Standard products

C92200

Product description: Leaded tin bronze
Solids: 1/2" to 9" O.D.
Tubes: 1" to 13" O.D.*
Rectangles: Up to 20"
Standard lengths: 144"
Shape/Form: semi-finished, mill stock or near-net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar

 *Consult mill for wall thickness

Typical uses

Architecture: ornamental castings
Building: cooling equipment, heating equipment
Fasteners: nuts
Industrial: bearings, bushings, cryogenic valves, fittings used to 550 ˚F, gears, medium-pressure hydraulic equipment, piston rings, pump impellers, pumps used to 550 ˚F, valve components, valves for water meters
Marine: marine castings
Plumbing: medium-pressure steam equipment to 550 °F

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C92200 B505
B505M
B61
B143-2A		 622
J461
J462		   QQ-C-390, D4;
QQ-B-1005, Comp 1		 MIL-B-11553, Comp 1;
MIL-B-16541		 Navy M Bronze

Chemical composition

Cu%1 Pb% Sn% Zn% Fe% P% Ni%1,2 Al% S% Sb% Si%
Chemical composition according to ASTM B505/B505M-23

1In determining Cu min., Cu may be calculated as Cu + Ni.   2Ni value includes Co.
Note: Cu + sum of named elements, 99.3% min. Single values represent maximums.
86.00-
90.00		 1.00-
2.00		 5.50-
6.50		 3.00-
5.00		  
0.25		  
1.50		  
1.00		  
0.005		  
0.05		  
0.25		  
0.005

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C92200 42 0.312

Mechanical properties

Tensile strength, min Yield strength, at 0.5% extension under load,, min Elongation, in 2 in. or 50 mm min Brinell hardness (500 kg load) Remarks
ksi MPa ksi MPa % typical BHN  
38 262 19 131 18 65  
Mechanical properties according to ASTM B505/B505M-23

Physical properties

Physical properties provided by CDA
  US Customary Metric
Melting point - liquidus 1810 °F 988 °C
Melting point - solidus 1518 °F 826 °C
Density 0.312 lb/in3 at 68 °F 8.64 gm/cm3 at 20 °C
Specific gravity 8.64 8.64
Electrical conductivity 14% IACS at 68 °F 0.083 MegaSiemens/cm at 20 °C
Thermal conductivity 40.2 Btu/sq ft/ft hr/°F at 68 °F 69.6 W/m at 20 °C
Coefficient of thermal expansion 68-572 10.0 · 10-6 per °F (68-572 °F) 17.3 · 10-6 per °C (20-300 °C)
Specific heat capacity 0.09 Btu/lb/°F at 68 °F 377.1 J/kg at 20 °C
Modulus of elasticity in tension 14000 ksi 96500 MPa
Incipient Melting 600 °F 316 °C
Magnetic Permeability 1 1

Fabrication properties

Fabrication properties provided by CDA
*Since brazing is performed within the hot-short range, strain must be avoided during brazing and cooling.
Technique Suitability
Soldering Excellent
Brazing* Excellent
Oxyacetylene welding Not recommended
Gas shielded arc welding Not recommended
Coated metal arc welding Not recommended
Machinability rating 42

Thermal properties

Thermal properties provided by CDA
*Temperature is measured in Fahrenheit.   **For stress relief, solution treatment and annealing - time is measured in hours/inch of thickness. For precipitation heat treatment - time is measured in hours.
Treatment Value* Time**
Stress relief 500  
Solution treatment   0

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