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C67400

Stocked alloy
specs

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Extruded and drawn

 

C67400 spec sheet Standard products

C67400

Product description: Manganese bronze
Tempers: Extruded and drawn
Solids: 3/4" to 3" O.D.
Hex: 3/8" to 2" O.D.
Standard lengths: 144"

Typical uses

Industrial: bushings, cams, chain guides, food conveyor chain, gears, shafts, wear plates
Other: connecting rods

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C67400   J461
J463 		       

Chemical composition

Cu% Pb% Sn% Zn% Fe% Ni%1 Al% Mn% Si%
Chemical composition according to SAE J463

1Ni value includes Co.
Single values represent maximums.
57.00-
60.00		  
0.50		  
0.30		  
Rem.		  
0.35		  
0.25		 0.50-
2.00		 2.00-
3.50		 0.50-
1.50

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C67400 30 0.292

Mechanical properties

Mechanical properties according to SAE J463

C67400

Extruded and drawn

Size range: up to 1" inclusive
Tensile strength, min Yield strength, at 00.5% extension under load,, min Elongation, 4x Diameter or Thickness of Specimen, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % min HRB  
78 540 40 275 8 84
Size range: over 1" to 2 " inclusive
Tensile strength, min Yield strength, at 00.5% extension under load,, min Elongation, 4x Diameter or Thickness of Specimen, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % min HRB  
75 515 40 275 10 80
Size range: over 2" to 3" inclusive
Tensile strength, min Yield strength, at 00.5% extension under load,, min Elongation, 4x Diameter or Thickness of Specimen, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % min HRB  
70 485 36 250 12 78

Physical properties

Physical properties provided by CDA
  US Customary Metric
Melting point - liquidus 1625 °F 885 °C
Melting point - solidus 1590 °F 866 °C
Density 0.292 lb/in3 at 68 °F 8.08 gm/cm3 at 20 °C
Specific gravity 8.08 8.08
Electrical conductivity 23% IACS at 68 °F 0.13 MegaSiemens/cm at 20 °C
Thermal conductivity 58 Btu/sq ft/ft hr/°F at 68 °F 100.5 W/m at 20 °C
Coefficient of thermal expansion 68-572 11 · 10-6 per °F (68-572 °F) 19 · 10-6 per °C (20-300 °C)
Specific heat capacity 0.09 Btu/lb/°F at 68 °F 377.1 J/kg at 20 °C
Modulus of elasticity in tension 16000 ksi 110317 MPa
Modulus of rigidity 6000 ksi 41369 MPa

Fabrication properties

Fabrication properties provided by CDA
Technique Suitability
Soldering Fair
Brazing Good
Oxyacetylene welding Not recommended
Gas shielded arc welding Fair
Coated metal arc welding Not recommended
Spot weld Good
Seam weld Good
Butt weld Good
Capacity for being cold worked Poor
Capacity for being hot formed Excellent
Forgeability Rating 100
Machinability rating 30

Thermal properties

Thermal properties provided by CDA
*Temperature is measured in Fahrenheit.
Treatment Minimum* Maximum*
Annealing 800 1100
Hot treatment 1100 1250

Common fabrication processes

Hot forging and pressing, machining

Common fabrication processes provided by CDA

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