C67600 High Tensile Manganese Bronze Rod
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 · ft2·oF)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 |
