Copper
Alloy No. C95400
Aluminum
Bronze 9C , Ampco 18 , CDA 954 , Grade C
ASTM
B 505 , ASTM B 271
Chemical
Composition % by weight
| Element |
Nominal |
Minimum |
Maximum |
|
Aluminum |
11 |
10 |
11.5 |
|
Copper |
85 |
83 |
- |
|
Iron |
4 |
3 |
5 |
|
Manganese |
- |
- |
.50 |
|
Nickel |
- |
- |
2.5 |
Application for Castings
Bearings, gears, worm gears, bushings, wear
plate, valve seats and guides, pickling hooks.
Mechanical Properties (as cast)
M07 - As Continuous Cast
| Hardness* |
Brinell Hardness
(3000 kg load) |
170 |
| Tensile Strength** |
KSI |
85 min |
| Yield Strength
** |
KSI (0.5% Ext.
under load) |
32 min |
| Elongation** |
% in 2 inch |
10 min |
**Test values are nominal approximations
and depend on specimen size and orientation.
Physical Properties
| Thermal Conductivity |
BTU/ (sq ft-ft-hr-F) |
33.9 |
| Specific Heat |
BTU/lb/ºF @ 68F |
.10 |
| Thermal Expansion |
Per °F from 68 F to 572 F |
.000009 |
| Density |
lb/cu in @ 68 F |
.269 |
| Electrical Conductivity* (Annealed) |
% IACS @ 68 F |
13 |
| Modulus of Elasticity |
KSI |
15,500 |
*Volume basis
Fabrication Practices
| Stress relieving
temperature |
600 F or 316 C |
| Time at temperature |
1 hour per inch
of section thickness |
| Responds to heat
treatment |
Yes |
| Solution heat treating
temperature |
1600-1675 F or
870-910 C |
| Time at temperature |
1 hour per inch
of section thickness |
| Quenching medium |
Water |
| Annealing temperature |
1150-1225 F or
620-660 C |
| Time at temperature |
1 hour per inch
of section thickness |
| Machinability rating
(Free Cutting Brass=100) |
60 |
| Suitability for
being joined by: |
Soldering/Good |
| |
Brazing/Good |
| |
Oxyacetylene Welding/Not
Recommended |
| |
Carbon Arc Welding/Fair |
| |
Gas Shielded Arc
Welding/Very Good |
| |
Coated Metal Arc
Welding/Good |
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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