C99500

Product description: Special Alloy
Solids: 1/2" to 9" O.D.
Tubes: 1 1/8" to 9" O.D.*
Rectangles: Up to 14"
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

Electrical: Electrical parts
Industrial: Gears for mining equipment, propeller wheels, valve stems
Marine: Outboard marine components

Similar or equivalent specification

CDA	ASTM	SAE	AMS	Federal	Military	Other
C99500	B505 B505M B763

Chemical composition

Cu%	Pb%	Zn%	Fe%	Ni%	Al%	Mn%	Si%
Chemical composition according to ASTM B505/B505M-23 1Ni value includes Co. Note: Cu + sum of named elements, 99.7% min. Single values represent maximums.
Rem.	0.09	0.50- 2.00	3.00- 5.00	3.50- 5.50	0.50- 2.00	0.50	0.50- 2.00

Machinability

Copper alloy UNS No.	Machinability rating	Density (lb/in3 at 68 °F)
C99500	50	0.3

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
70	483	40	276	12	145

Physical properties

	US Customary	Metric
Physical properties provided by CDA
Density	0.3 lb/in3 at 68 °F	8.3 gm/cm3 at 20 °C
Specific gravity	8.3	8.3
Electrical conductivity	10% IACS at 68 °F	0.057 MegaSiemens/cm at 20 °C
Coefficient of thermal expansion 68-572	8.3 · 10-6 per °F (68-572 °F)	14.3 · 10-6 per °C (20-300 °C)
Modulus of elasticity in tension	19000 ksi	131000 MPa

Fabrication properties

Technique	Suitability
Fabrication properties provided by CDA
Gas shielded arc welding	Good
Machinability rating	50

Thermal properties

Treatment	Min*	Value*	Time**	Medium
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		600
Solution treatment	1625		60	Water
Precipitation treatment		900	60

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C99500

Stocked alloy specs

Reference guide

Stocked size schedules

C99500

Typical uses

Similar or equivalent specification

Chemical composition

Machinability

Mechanical properties

Physical properties

Fabrication properties

Thermal properties

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