Free-Machining Brass C36000
Copper Alloy No. C36000
Free Cutting Brass , ASTM B16 CDA 360
Chemical Composition % by weight
Free Cutting Brass , ASTM B16 CDA 360
Chemical Composition % by weight
Copper | Lead | Iron | Zinc |
61.5 Nominal | 2.5 Minimum | .35 Maximum | 35.4 Nominal |
Applications
Hardware: Gears and pinions
Industrial: Automatic high speed screw machine parts
Mechanical Properties
Typical for 1" rod half hard temper (20%)
Hardness* | Rockwell B Scales | 78 |
Tensile Strength** | KSI | 58 |
Yield Strength** | KSI | 45 |
Elongation** | % in 2 inch | 25 |
**Test values are nominal approximations and depend on specimen size and orientation.
Physical Properties
Thermal Conductivity | BTU/ (sq ft-ft-hr-F) | 67 |
Specific Heat | BTU/lb/ºF @ 68F | .09 |
Thermal Expansion | Per °F from 68 F to 572 F | .0000114 |
Density | lb/cu in @ 68 F | .307 |
Electrical Conductivity* (Annealed) | % IACS @ 68 F | 26 |
Modulus of Elasticity | KSI | 14,000 |
*Volume basis
Fabrication Properties
Capacity for being cold worked | Poor |
Capacity for being hot formed | Fair |
Hot forgeability rating (forging brass =100) | N/A |
Hot working temperature | 1300-1450 F or 700-800 C |
Annealing temperature | 800-1100 F or 425-600 C |
Machinability rating (Free Cutting Brass=100) | 100 |
Suitability for being joined by: | Soldering/Excellent |
Brazing/Good | |
Oxyacetylene Welding/Not Recommended | |
Gas Shielded Arc Welding/Not Recommended | |
Coated Metal Arc Welding/Not Recommended | |
Resistance Welding | Spot/Not Recommended |
Seam/Not Recommended | |
Butt/Fair |