C67400 MANGANESE BRONZE
EQUIVALENT SPECIFICATIONS
Specifications | Designation |
Uns | C66800 |
Uns | C67300 |
Uns | C67420 |
C67400 : Excellent hot and cold workability; good forge ability. Fabricated by bending, coining, coppersmith, drawing and upsetting, hot forging and pressing, knurling, roll threading, shearing, spinning, swaging, and stamping.
Sizes Available :
CHEMICAL COMPOSITION
| Al | Cu | Fe | Pb | Mn | Ni | Si | Sn | Zn |
Min/Max | 0.50 - 2.0 | 57.0 - 60.0 | 0.35 | 0.5 | 2.0 - 3.5 | 0.25 | 0.50 - 1.5 | 0.3 | Rem |
Nominals | 1.2000 | 58.5000 | - | - | 2.8000 | - | 1.0000 | - | 36.5000 |
SPECIFICATIONS
End Product | Specification |
Bar | SAE J461, J463 |
Forgings | SAE J461, J463 |
Rod | SAE J463, J461 |
Shapes | SAE J463, J461 |
FABRICATION
Joining Technique | Suitability |
Brazing | Good |
Butt Weld | Good |
Capacity for Being Cold Worked | Poor |
Capacity for Being Hot Formed | Excellent |
Coated Metal Arc Welding | Not Recommended |
Forgeability | 100 |
Gas Shielded Arc Welding | Fair |
Machinability Rating | 30 |
Oxyacetylene Welding | Not Recommended |
Seam Weld | Good |
Soldering | Fair |
Spot Weld | Good |
PHYSICAL PROPERTIES
Product Property | US Customary | Metric |
Coefficient of Thermal Expansion | 11.0 ·10-6 per oF (68-572 F) | 19.8 10-6 per oC (20-300 C) |
Density | 0.292 lb/in3 at 68 F | 8.08 gm/cm3 @ 20 C |
Electrical Conductivity | 23 %IACS @ 68 F | 0.135 MegaSiemens/cm @ 20 C |
Electrical Resistivity | 45.1 ohms-cmil/ft @ 68 F | 7.5 microhm-cm @ 20 C |
Melting Point - Liquidus | 1625 F | 885 C |
Melting Point - Solidus | 1590 F | 866 C |
Modulas of Elasticity in Tension | 16000 ksi | 110000 MPa |
Modulus of Rigidity | 6000 ksi | 41370 MPa |
Specific Gravity | 8.08 | 8.08 |
Specific Heat Capacity | 0.09 Btu/lb/oF at 68 F | 377.1 J/kg/ · oK at 293 K |
Thermal Conductivity | 58.0 Btu · ft/(hr · ft2·oF)at 68F | 100.4 W/m · oK at 20 C |
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