Element	Nominal	Minimum	Maximum
Copper	69.5	Rem.	Rem.
Lead	-	-	.05*
Iron	.50	.40	1
Zinc	-	-	1*
Nickel	30	29	33
Manganese	-	-	1

*When the product is subsequent welding applications and so specified by the purchaser, Zn shall be .50% max., Pb .025% max., P .02% max., Sulfur .02% max. and Carbon .05% max.

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Applications

Condensers, condenser plates, distiller tubes, evaporator and heat exchanger tubes, ferrules, salt water piping.

Common Fabrication Processes

Forming and bending, welding.

Mechanical Properties

Typical for 1" OD Tube x .065" wall thickness

Hardness*	Rockwell B Scales	45
Tensile Strength**	KSI	60
Yield Strength** (.5% EAU)	KSI	25
Elongation**	% in 2 inch	45

**Test values are nominal approximations and depend on specimen size and orientation.

Physical Properties

Thermal Conductivity	BTU/ (sq ft-ft-hr-F)	17
Specific Heat	BTU/lb/ºF @ 68F	.09
Thermal Expansion	Per °F from 68 F to 572 F	.0000090
Density	lb/cu in @ 68 F	.323
Electrical Conductivity* (Annealed)	% IACS @ 68 F	4.6
Modulus of Elasticity (Tension)	KSI	22,000

*Volume basis

Fabrication Properties

Capacity for being cold worked	Good
Capacity for being hot formed	Good
Suitability for being joined by:	Soldering/Excellent
	Brazing/Excellent
	Oxyacetylene Welding/Good
	Gas Shielded Arc Welding/Excellent
	Coated Metal Arc Welding/Excellent
Resistance Welding	Spot/Excellent
	Seam/Excellent
	Butt/Excellent