C92900

Product description:. Leaded nickel-tin bronze
Solids: 1/2" to 13" O.D.
Tubes: 1" to 16" 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

Industrial: Cams, gears, general-service bearings, impellers for mine water, pump bodies, wear plates, worm gears

Similar or equivalent specification

CDA	ASTM	SAE	AMS	Federal	Military	Other
C92900	B505 B505M

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.
82.00- 86.00	2.00- 3.20	9.00- 11.00	0.25	0.20	1.50	2.80- 4.00	0.005	0.05	0.25	0.005

Machinability

Copper alloy UNS No.	Machinability rating	Density (lb/in3 at 68 °F)
C92900	40	0.32

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)
Mechanical properties according to ASTM B505/B505M-23
ksi	MPa	ksi	MPa	%	typical BHN
45	310	25	172	8	75

Physical properties

	US Customary	Metric
Physical properties provided by CDA
Melting point - liquidus	1887 °F	1031 °C
Melting point - solidus	1575 °F	857 °C
Density	0.32 lb/in3 at 68 °F	8.86 gm/cm3 at 20 °C
Specific gravity	8.86	8.86
Electrical conductivity	9% IACS at 68 °F	0.053 MegaSiemens/cm at 20 °C
Thermal conductivity	33.6 Btu/sq ft/ft hr/°F at 68 °F	58.2 W/m at 20 °C
Coefficient of thermal expansion 68-392	9.5 · 10-6 per °F (68-392 °F)	16.4 · 10-6 per °C (20-200 °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

Fabrication properties

Technique	Suitability
Fabrication properties provided by CDA *Since brazing is performed within the hot-short range, strain must be avoided during brazing and cooling.
Soldering	Excellent
Brazing*	Good
Oxyacetylene welding	Not recommended
Gas shielded arc welding	Not recommended
Coated metal arc welding	Not recommended
Machinability rating	40

Thermal properties

Treatment	Value*	Time**
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.
Stress relief	500
Solution treatment		0

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C92900

Stocked alloy specs

Reference guide

Stocked size schedules

C92900

Typical uses

Similar or equivalent specification

Chemical composition

Machinability

Mechanical properties

Physical properties

Fabrication properties

Thermal properties

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