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C62400

Stocked alloy
specs

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Extruded and drawn

C62400 spec sheet Standard products

C62400

Product description: Aluminum bronze 11%
Tempers: HR50 drawn and stress relieved
Solids: 1/2" to 3" O.D.*
Standard lengths: 144"

 *Consult mill for other sizes

Typical uses

Fasteners: nuts
Industrial: bushings, cams, drift pins, gears, hydraulic bushings, support bushings, tie rods, valve balls, wear plates, welding wire

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C62400 B150
B150M		 J461
J463		        

Chemical composition

Cu%1 Sn% Fe% Al% Mn% Si%
Chemical composition according to ASTM B150/B150M-19

1Cu value includes Ag.
Note: Cu + sum of named elements, 99.5% min. Single values represent maximums.
 
Rem.		  
0.20		 2.00-
4.50		 10.00-
11.50		  
0.30		  
0.25

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C62400 50 0.269

Mechanical properties

Mechanical properties according to ASTM B150/B150M-19

C62400

HR50 drawn and stress relieved Temper

Size range: 1/2" and under rod
Tensile strength, min Yield strength, at 0.5% extension under load,, min Elongation, in 4x Diameter or Specimen Thickness, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % min to max HRB  
95 655 45 310 10    
Size range: over 1/2" to 1" rod inclusive
Tensile strength, min Yield strength, at 0.5% extension under load,, min Elongation, in 4x Diameter or Specimen Thickness, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % min to max HRB  
95 655 45 310 12    
Size range: over 1" to 2" rod inclusive
Tensile strength, min Yield strength, at 0.5% extension under load,, min Elongation, in 4x Diameter or Specimen Thickness, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % min to max HRB  
90 620 43 295 12    
Size range: over 2" to 3" rod inclusive
Tensile strength, min Yield strength, at 0.5% extension under load,, min Elongation, in 4x Diameter or Specimen Thickness, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % min to max HRB  
90 620 40 275 12    

Physical properties

Physical properties provided by CDA
  US Customary Metric
Melting point - liquidus 1900 °F 1038 °C
Melting point - solidus 1880 °F 1027 °C
Density 0.269 lb/in3 at 68 °F 7.45 gm/cm3 at 20 °C
Specific gravity 7.45 7.45
Electrical conductivity 12% IACS at 68 °F 0.07 MegaSiemens/cm at 20 °C
Thermal conductivity 34 Btu/sq ft/ft hr/°F at 68 °F 59 W/m at 20 °C
Coefficient of thermal expansion 68-572 9 · 10-6 per °F (68-572 °F) 15.6 · 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 17000 ksi 117212 MPa
Modulus of rigidity 6400 ksi 44127 MPa

Fabrication properties

Fabrication properties provided by CDA
Technique Suitability
Soldering Not recommended
Brazing Fair
Oxyacetylene welding Not recommended
Gas shielded arc welding Good
Coated metal arc welding Good
Spot weld Good
Seam weld Good
Butt weld Good
Capacity for being cold worked Poor
Capacity for being hot formed Excellent
Forgeability Rating 80
Machinability rating 50

Thermal properties

Thermal properties provided by CDA
*Temperature is measured in Fahrenheit.
Treatment Minimum* Maximum*
Annealing 1100 1200
Hot treatment 1400 1625

Common fabrication processes

Hot bending, hot forging

Common fabrication processes provided by CDA

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