
C83600 Leaded Red Brass
Copper Alloy No. C83600
Leaded Red Brass Alloy , CDA 836 , SAE 40
Chemical Composition % by weight
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 |