Atlas Bronze offers C90300 Navy Bronze G in
Solids and Made to Order Castings. This alloy
is available as both an Off-the-Shelf product and in special castings. The method in which the material is
cast will depend on your size, specification and desired quantity.
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Click on the link to select your size:
 
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TYPICALLY USED FOR:
This
material is used in a variety of applications. Typical uses for this
alloy are: Bearings and bushings, pump impellers, position rings, valve components, seal rings, steam fittings, gears .
CHEMICAL COMPOSITION:
(%max., unless shown as range or min.)
NOTE: Information courtesy of Copper.org
| |
Cu(1) | Al | Sb | Fe | Pb | Ni(2) | P(3) | Si | S | Sn | Zn |
|---|
| Min./Max. | 86.0-89.0 | .005 | .20 | .20 | .30 | 1.0 | .05 | .005 | .05 | 7.5-9.0 | 3.0-5.0 | | Nominal | 87.5 | - | - | - | - | - | - | - | - | 8.3 | 4.0 |
(1) In determining Cu min., Cu may be calculated as Cu + Ni.
(2) Ni value includes Co.
(3) For continuous castings, P shall be 1.5%, max.
Note: Cu + Sum of Named Elements, 99.4% min.
MECHANICAL PROPERTIES:
NOTE: Information courtesy of Copper.org
| Temper |
Section
Size |
Cold
Work |
Typ/
Min |
Temp |
Tensile
Strength |
Yield
Strength
(0.5% ext.
under load) |
Yield
Strength
(0.2%
offset) |
Yield
Strength
(0.05%
offset) |
El |
Rockwell
Hardness |
Vickens
Hard. |
Brinell
Hard. |
Shear
Strength |
Fatigue
Strength* |
Izod
Impact
Strength |
|---|
| in. |
% |
| F |
ksi |
ksi |
ksi |
ksi |
% |
B |
C |
F |
30T |
500 |
500 |
3000 |
ksi |
ksi |
ft-lb |
| mm. |
|
| C |
MPa |
MPa |
MPa |
MPa |
|
|
|
|
|
|
|
|
MPa |
MPa |
J |
| As Sand Cast | | M01 | 0.0 | 0 | TYP | 68 | 45 | 21 | - | - | 30 | - | - | - | - | - | 70 | - | - | - | 0.0 |
| 0.0 |
|
| 20 | 310 | 145 | - | - | 30 | - | - | - | - | - | 70 | - | - | - | 0.0 | | As Centrifugal Cast | | M02 | 0.0 | 0 | TYP | 68 | 45 | 21 | - | - | 30 | - | - | - | - | - | 70 | - | - | - | 0.0 |
| 0.0 |
|
| 20 | 310 | 145 | - | - | 30 | - | - | - | - | - | 70 | - | - | - | 0.0 | | M02 | 0.0 | 0 | SMIN | 68 | 40 | 18 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0.0 |
| 0.0 |
|
| 20 | 275 | 125 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0.0 | | As Continuous Cast | | M07 | 0.0 | 0 | SMIN | 68 | 44 | 22 | - | - | 18 | - | - | - | - | - | - | - | - | - | 0.0 |
| 0.0 |
|
| 20 | 303 | 152 | - | - | 18 | - | - | - | - | - | - | - | - | - | 0.0 | | As Sand Cast | | M01 | 0.0 | 0 | SMIN | 68 | 40 | 18 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0.0 |
| 0.0 |
|
| 20 | 276 | 124 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0.0 |
*Fatigue Strength: 100 x 10 6cycles,
unless indicated as [N]X 106.
APPLICABLE SPECIFICATIONS:
NOTE: Information courtesy of Copper.org
| Product | Specification |
| Centrifugal | ASTM B271
SAE J462, J461 | | Continuous | ASTM B505
SAE J462, J461 | | Ingot | ASTM B30 | | Precision | MILITARY MIL-C-11866 | | Sand | ASTM B763, B584
SAE J461, J462 |
|
