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C48200 Naval Brass "Medium Lead"
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C482 Applications:
Marine hardware, screw machine products, valve stems.
Common Fabrication Processes.
Hot forging, pressing and machining.
Mechanical Properties
Specifications
| Product | Specification |
|---|---|
|
Bar |
ASTM B21 |
|
Bar, Forging |
ASTM B124 |
|
Forgings, Die |
ASTM B283 |
|
Plate |
FEDERAL QQ-B-639 |
|
Rod |
ASTM B21 |
|
Rod, Forging |
ASTM B124 |
|
Shapes |
ASTM B21 |
|
Shapes, Forging |
ASTM B124 |
|
Sheet |
FEDERAL QQ-B-639 |
|
Strip |
FEDERAL QQ-B-639 |
Chemical Compositions
| åÊ | Cu | Fe | Pb | Sn | Zn |
|---|---|---|---|---|---|
|
Min./Max. |
59.0-62.0 |
.10 |
.40-1.0 |
.50-1.0 |
Rem. |
|
Nominal |
60.5 |
- |
.7 |
.8 |
38.0 |
Mechanical Properties
| Joining Technique | Suitability |
|---|---|
|
Soldering |
Excellent |
|
Brazing |
Good |
|
Oxyacetylene Welding |
Not Recommended |
|
Gas Shielded Arc Welding |
Not Recommended |
|
Coated Metal Arc Welding |
Not Recommended |
|
Spot Weld |
Not Recommended |
|
Seam Weld |
Not Recommended |
|
Butt Weld |
Fair |
|
Capacity for Being Cold Worked |
Poor |
|
Capacity for Being Hot Formed |
Good |
|
Forgeability Rating |
90 |
|
Machinability Rating |
50 |
Physical Properties
| Treatment | Temp./Time - US | Temp./Time - SI |
|---|---|---|
|
Stress Temperature |
||
|
Solution Minimum |
||
|
Solution Maximum |
||
|
Solution Time |
||
|
Solution Medium |
None |
|
|
Precipitation Value |
||
|
Precipitation Time |
||
|
Precipitation Medium |
Fabrication
| Treatment | Temp./Time - US | Temp./Time - SI |
|---|---|---|
|
Stress Temperature |
||
|
Solution Minimum |
||
|
Solution Maximum |
||
|
Solution Time |
||
|
Solution Medium |
None |
|
|
Precipitation Value |
||
|
Precipitation Time |
||
|
Precipitation Medium |
