Manganese Bronze
Farmer’s Copper Ltd. maintains an inventory of both C67500 and C86300 Manganese Bronze. C675 is a moderately high strength manganese bronze alloy possessing good torsional properties and general corrosion resistance. Copper Alloy 675 has excellent hot working properties and is readily joined by either soldering or brazing welding. C86300 is commonly used in products such as: gears, fasteners, and hydraulic parts.
Typical Applications
- Valve stems
- Shafting
- Marine hardware
- Aircraft parts
- Pump rods
Farmer’s Copper Ltd. has been serving the metal industry for over 90 years by meeting the wants and needs of our customers. Contact one of our knowledgeable sales teams today to assist you with your manganese bronze needs!
List of standard sizes
Round Rod (C67500) – ¾” Dia. thru 6”
Solid Rod (C86300) – 1-1/2” Dia. thru 8”
(C67500)
|
Joining Technique |
Suitability |
|---|---|
|
Soldering |
Excellent |
|
Brazing |
Excellent |
|
Oxyacetylene Welding |
Good |
|
Gas Shielded Arc Welding |
Fair |
|
Coated Metal Arc Welding |
Not Recommended |
|
Spot Weld |
Good |
|
Seam Weld |
Fair |
|
Butt Weld |
Good |
|
Capacity for Being Cold Worked |
Poor |
|
Capacity for Being Hot Formed |
Excellent |
|
Forgeability Rating |
80 |
|
Machinability Rating |
30 |
ASTM Standard Designation for C67500: ASTM B124/B138
|
|
Cu(1) |
Al |
Fe |
Pb |
Mn |
Sn |
Zn |
|---|---|---|---|---|---|---|---|
|
Min./Max. |
57.0-60.0 |
.25 |
.8-2.0 |
.20 |
.05-.50 |
.50-1.5 |
Rem. |
|
Nominal |
58.5 |
- |
1.4 |
- |
.10 |
1.0 |
39.0 |
(C86300)
|
Joining Technique |
Suitability |
|---|---|
|
Soldering |
Poor |
|
Brazing |
Poor |
|
Oxyacetylene Welding |
Poor |
|
Gas Shielded Arc Welding |
Poor |
|
Coated Metal Arc Welding |
Good |
|
Machinability Rating |
8 |
ASTM Standard Designation for C86300: ASTM B505
|
|
Cu(1) |
Al |
Fe |
Pb |
Mn |
Ni(2) |
Sn |
Zn |
|---|---|---|---|---|---|---|---|---|
|
Min./Max. |
60.0-66.0 |
5.0-7.5 |
2.0-4.0 |
.20 |
2.5-5.0 |
1.0 |
.20 |
22.0-28.0 |
|
Nominal |
63.0 |
6.2 |
3.0 |
- |
3.7 |
- |
- |
25.0 |
