
C67600 Manganese Bronze
The alloy possess 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.
Typical Uses :
Industrial: Gate Valve Stems, Welding Rod, Valve Balls
Chemical Composition: | ||||||
| Cu | Fe | Pb | Mn | Sn | Zn |
Min/Max | 57.0 - 60.0 | 0.40 - 1.3 | 0.50 - 1.0 | 0.05 - 0.50 | 0.50- 1.5 | Rem |
Nominals | 58.5 | 0.8 | 0.7 | 0.27 | 1 | 38.7 |
Specifications: | |
End Product | Specification |
Brazing Filler Metal | AWS A5.8 |
Forgings, Die | ASTM B283 |
Fabrication: | |
Joining Technique | Suitability |
Brazing | Excellent |
Capacity for Being Cold Worked | Poor |
Capacity for Being Hot Formed | Excellent |
Forgeability | 80 |
Gas Shielded Arc Welding | Fair |
Machinability Rating | 60 |
Oxyacetylene Welding | Good |
Soldering | Excellent |
Spot Weld | Good |
Physical Properties: | ||
Product Property | US Customary | Metric |
Coefficient of Thermal Expansion | 11.8 ·10-6 per oF (68-572 F) | 20.4 ·10-6 per oC (20-300 C) |
Density | 0.302 lb/in3 at 68 F | 8.36 gm/cm3 @ 20 C |
Electrical Conductivity | 24 %IACS @ 68 F | 0.139 MegaSiemens/cm @ 20 C |
Melting Point - Liquidus | 1630 F | 890 C |
Melting Point - Solidus | 1590 F | 865 C |
Modulas of Elasticity in Tension | 15000 ksi | 103400 MPa |
Modulus of Rigidity | 5600 ksi | 38600 MPa |
Thermal Conductivity | 61.0.0 Btu · ft/(hr · ft2oF)at 68F | 105.7 W/m · oK at 20 C |
Sizes Available | |
ROUND RODS/BARS | 8mm To 70 mm |
HEX | 10mm To 60mm |
SQUARE | 10mm To 60mm |
FLAT | 10mm Min Thickness and max Width 120mm |
BILLETS | Up to 200 mm |
INGOTS | As per Specification |
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