Composition - Percent

	Nominal	Minimum	Maximum
Copper	97	Remainder
Lead	-	-	0.05
Iron	-	-	0.80
Zinc	-	-	1.50
Manganese	-	0.50	1.30
Silicon	3	2.80	3.80
Nickel	-	-	0.60

Nearest Applicable A S T M Specifications

Bolts	F468
Flat Products	B96, B98, B100, B124, B432
Nuts	F467
Pipe	B315
Rod	B98, B124
Screws	F468
Shapes	B98, B124, B283
Studs	F468
Tube	B315
Wire	B99, B105

Physical Properties

	English Units	C.G.S. Units
Melting Point (Liquidus)	1880°F	1025°C
Melting Point (Soluidus)	1780°F	970°C
Density	.308lb / cu in @ 68°F	8.53 gm / cu cm @ 20°C
Specific Gravity	8.53	8.53
Coefficient of Thermal Expansion	per °F from 68°F to 212°F	per °C from 20°F to 100°F
Coefficient of Thermal Expansion	per °F from 68°F to 392°F	per °C from 20°F to 200°F
Coefficient of Thermal Expansion	.0000100 per °F from 68°F to 572°F	.0000180 per °C from 20°F to 300°F
Thermal Conductivity	21 Btu / sq ft / ft / hr / °F @ 68°F	0.9 cal / sq cm / cm / sec / °C @ 20°C
Electrical Resistivity (Annealed)	148 Ohms (circ mil / ft) @ 68°F	24.6 Microhm-cm @ 20°C
Electrical Conductivity* (Annealed)	7.0 % IACS @ 68°F	.0406 Megmho-cm @ 20°C
Thermal Capacity (Specific Heat)	09 Btu / lb °F @ 68°F	.09 cal / gm / °C @ 20°C
Modulus of Elasticity (Tension)	15,000 ksi	10,500 Kg /sq mm
Modulus of Rigidity	5,600 ksi	3,900 Kg /sq mm

*Volume Basis

Typical Uses

Aircraft:

hydraulic pressure lines

Hardware:

bolts, burrs, butts, clamps, cotter pins, hinges, marine hardware, nails, nuts, pole line hardware, screws

Industrial:

bearing plates, bushings, cable, channels, chemical equipment, heat exchanger tubes, kettles, piston rings, tanks, rivets, screen cloth and wire, screen plates, shafting

Marine:

propeller shafts

Common Fabrication Processes

Blanking, drawing, forming and bending, heading and upsetting, hot forging and pressing, roll threading and knurling, shearing, squeezing and swaging

Fabrication Properties

Capacity for Being Cold Worked	Excellent
Capacity for Being Hot Formed	Excellent
Hot Forgeability Rating (Forging Brass = 100)	40
Hot Working Temperature	1300-1600°F or 700-875°C
Annealing Temperature	900-1300°F or 475-700°C
Machinability Rating (Free Cutting Brass = 100)	30

Suitability for being joined by:
Soldering	Good
Brazing	Excellent
Oxyacetylene Welding	Good
Gas Shielded Arc Welding	Excellent
Coated Metal Arc Welding	Fair
Resistance Welding
Spot	Excellent
Seam	Excellent
Butt	Excellent