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Copper Alloy No.
C36000
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 |
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Brazing/Good |
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Oxyacetylene Welding/Not
Recommended |
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Gas Shielded Arc Welding/Not
Recommended |
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Coated Metal Arc Welding/Not
Recommended |
| Resistance Welding |
Spot/Not
Recommended |
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Seam/Not Recommended |
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Butt/Fair |
The values listed above represent reasonable
approximations suitable for general engineering use. Due to commercial
variations in composition and to manufacturing limitations, they should not
be used for specification purposes. See applicable A.S.T.M. specification
references.
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