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