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Product Code : C67500
Product Description
C67500 Manganese Bronze

Alloy C67500 (CuZn37FeSnMn) is a wrought alloy with additions of iron, tin and manganese to increase the strength and corrosion resistance.

It can be worked to increase the strength and can be available in the half hard and fully hard condition.

It possess hot working properties and can be die forged into valves, connectors and other components for military applications. It can also be hot headed or upset forged for manufacturing fasteners.

Typical Uses :
Automotive: Clutch Disks, Shafting, Pump Rods
Fasteners:   bolts
Industrial: Valve Bodies, Balls, Valve Stems, Bushings, Aircraft Parts
Marine:  hardware
Chemical Composition:
  Al Cu Fe Pb Mn Si Zn
Min/Max 0.25 57.0 - 60.0 0.80- 2.0 0.2 0.05 - 0.50 0.50- 1.5 Rem
Nominals - 58.5 1.4 - 0.1 1 39

End Product Specification
Bar ASTM B138, SAE J461, J463
Bar, For ging ASTM B124
Bolts ASTM F468
Forgings, Die ASTM B283, SAE J463, J461
Nuts ASTM F467
Rod ASTM B138, SAE J463, J461
Rod, Forging ASTM B124
Screws ASTM F468
Shapes ASTM B138, SAE J461, J463
Shapes, Forging ASTM B124
Studs ASTM F468

Joining Technique Suitability
Brazing Excellent
Butt Weld Good
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Excellent
Coated Metal Arc Welding Not Recommended
Forgeability 80
Gas Shielded Arc Welding Fair
Machinability Rating 30
Oxyacetylene Welding Good
Seam Weld Fair
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) 21.2 ·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 0.14 MegaSiemens/cm @ 20 C
Electrical Resistivity 43.2 ohms-cmil/ft @ 68 F 7.18 microhm-cm @ 20 C
Melting Point - Liquidus 1630 F 888 C
Melting Point - Solidus 1590 F 866 C
Modulas of Elasticity in Tension 15000 ksi 103400 MPa
Modulus of Rigidity 5600 ksi 38610 MPa
Specific Gravity 8.36 8.36
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg/ · oK at 293 K
Thermal Conductivity 61.0 Btu · ft/(hr · ft2·oF)at 68F 105.6 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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