Brass Copper Castings India
Aluminum Bronze Alloy C62400


Copper Alloy No. C61400
Aluminum Bronze , ASTM B 171 CDA 614
Chemical Composition % by weight
Element Nominal Minimum Maximum
Copper 86 Rem. Rem.
Iron 3 2 4.5
Tin - - .20
Aluminum 11 10 11.5
Manganese - - .30
Silicon - - .25

Applications

Bushings, gears, cams, wear plates, nuts, drift pins, tie rods.

Common Fabrication Processes

Hot forging, hot bending, machining.

Mechanical Properties

Typical for 1" Rod Half Hard (10%) Temper

Hardness* Rockwell B Scales 92
Tensile Strength** KSI 105
Yield Strength** (.5% EAU) KSI 52
Elongation** % in 2 inch 14

**Test values are nominal approximations and depend on specimen size and orientation.

Physical Properties

Thermal Conductivity BTU/ (sq ft-ft-hr-F) 34
Specific Heat BTU/lb/ºF @ 68F .09
Thermal Expansion Per °F from 68 F to 572 F .0000090
Density lb/cu in @ 68 F .269
Electrical Conductivity* (Annealed) % IACS @ 68 F 12
Modulus of Elasticity (Tension) KSI 17,000

*Volume basis

Fabrication Properties

Capacity for being cold worked Poor
Capacity for being hot formed Excellent
Machinability Rating (Free Cutting Brass=100) 50
Suitability for being joined by: Soldering/Not Recommended
Brazing/Fair
Oxyacetylene Welding/Not Recommended
Gas Shielded Arc Welding/Good
Coated Metal Arc Welding/Good
Resistance Welding Spot/Good
Seam/Good
Butt/Good