C83600 Copper Alloy CDA 836 Bronze alloy

Copper Alloy No. C83600

Leaded Red Brass Alloy , CDA 836 , SAE 40

Chemical Composition % by weight

Element	Nominal	Minimum	Maximum
Aluminum	-	-	.005
Antimony	-	-	.25
Copper	85	84	86
Iron	-	-	.30
Lead	5	4	6
Nickel	-	-	1
Phosphorus	-	-	.05
Silicon	-	-	.005
Sulfur	-	-	.08
Tin	5	4	6
Zinc	5	4	6

Applications

Pump components, small gears, water impellers and housings, marine fittings, flanges, low pressure valves and fittings, pipe fittings, plumbing fixtures, ornamental fixtures

Mechanical Properties

M07 - As Continuous Cast

Hardness*	Brinell Hardness (500 kg load)	60
Tensile Strength**	KSI	36
Yield Strength **	KSI (0.5% Ext. under load)	19
Elongation**	% in 2 inch	15

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

Physical Properties

Thermal Conductivity	BTU/ (sq ft-ft-hr-F)	41.6
Specific Heat	BTU/lb/ºF @ 68F	.09
Thermal Expansion	Per °F from 68 F to 400 F	.000010
Density	lb/cu in @ 68 F	.318
Electrical Conductivity	% IACS @ 68 F	15
Modulus of Elasticity	KSI	13,500

Fabrication Practices

Stress relieving temperature	500 F or 260 C
Time at temperature	1 hour per inch of section thickness
Responds to heat treatment	No
Machinability rating (Free Cutting Brass=100)	84
Suitability for being joined by:	Soldering/Excellent
	Brazing/Good*
	Oxyacetylene Welding/Not Recommended
	Gas Shielded Arc Welding/Not Recommended
	Coated Metal Arc Welding/Fair

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