Manganese Bronze 675 / C675 / C67500
ASTM B124, ASTM B138, QQ-C-728, SAE J461, SAE J463, UNS C67500
Farmers Copper Ltd. sustains a broad inventory of Manganese Bronze C67500 in rod form. C675 possesses good torsional properties and general corrosion resistance. Manganese bronze withstands exposure to dry gases, dilute alkalies, sulfides, and most organic solvents and acids. Though C675 has common resistance, contact with ammonia, mercury, and most chlorine gas should be avoided.
C67500 Manganese Bronze Sizing
- Round Bar (2” dia to 6” )
C67500 Manganese Bronze Applications
- Shafting
- Pump rods
- Valve parts
- Aircraft parts
- Automotive
- Industrial
- Marine
Industries
Farmer’s Copper Ltd. extends its services throughout many industries. We provide the raw copper alloy materials in various standard shapes as well as custom cut copper alloys.
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Our C67500 Manganese Bronze Inventory & Properties
Farmer’s diverse inventory of products and services offered provides our customers the largest and most extensive selection of alloys available, cut to precise specifications, and delivered with total quality control.
Chemical Properties
| Cu(1,2) | Pb | Sn | Zn | Fe | Al | Mn | |
| Min (%) | 57.0 | 0.50 | 0.8 | 0.05 | |||
| Max (%) | 60.0 | 0.20 | 1.5 | Rem | 2.0 | 0.25 | 0.50 |
Physical Properties
| Melting Point - Liquidus°F | 1630 |
| Melting Point - Solidus°F | 1590 |
| Densitylb/cu in. at 68°F | 0.302 |
| Specific Gravity | 8.36 |
| Electrical Conductivity% IACS at 68°F | 24 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 61 |
| Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) | 11.8 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tensionksi | 15000 |
| Modulus of Rigidityksi | 5600 |
Fabrication Properties
| 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 |
Mechanical Properties
| Form | Temper | Temper Code | Tensile Strength (ksi) | YS-0.5% Ext (ksi) | Elongation (%) | Rockwell B scale | Shear Strength (ksi) | Section Size (in) | Cold Work (%) |
| 1/2 Hard | H02 | 84 Typ | 60 Typ | 19 Typ | 90 Typ | 48 Typ | 1 | 20 | |
| Rod | 1/4 Hard | H01 | 72 Typ | 42 Typ | 27 Typ | 77 Typ | 44 Typ | 2 | 20 |
| H01 | 77 Typ | 45 Typ | 23 Typ | 83 Typ | 47 Typ | 1 | 10 | ||
| Soft Anneal | O60 | 65 Typ | 30 Typ | 33 Typ | 65 Typ | 42 Typ | 1 | ||
Our Commitment to Service
As a leading copper, brass, & bronze alloys supplier, Farmers Copper Ltd. attributes our success to serving our customers, through our service-minded employees and material readily available for prompt, accurate deliveries of copper, brass, bronze, stainless steel and other metal alloys.