Brass Copper Castings India
Copper Alloy No. C93500


Copper Alloy No. C93500
High Leaded Tin Bronze SAE 66 , CDA 935 , 85-5-9-1
ASTM B 505 , ASTM B 271

Chemical Composition % by weight
Element Nominal Minimum Maximum
Aluminum - - .005
Antimony - - .30
Copper 84.5 83 86
Iron - - .20
Lead 9 8 10
Nickel - - 1
Phosphorus - - .05
Silicon - - .005
Sulfur - - .08
Tin 5.15 4.3 6
Zinc - - 2

Applications

Bearings, bushings.

Mechanical Properties

M07 - As Continuous Cast

Hardness Brinell Hardness (500 kg load) 60
Tensile Strength** KSI 30 min
Yield Strength ** KSI (0.5% Ext. under load) 16 min
Elongation** % in 2 inch 12

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

Physical Properties

Thermal Conductivity BTU/ (sq ft-ft-hr-F) 40.7
Specific Heat BTU/lb/ºF @ 68F .09
Thermal Expansion Per °F from 68 F to 392 F .0000099
Density lb/cu in @ 68 F .320
Electrical Conductivity* (Annealed) % IACS @ 68 F 15
Modulus of Elasticity KSI 14,500

*Volume basis

Fabrication Practices

Stress relieving temperature 500 F or 260 C
Time at temperature 1 hour per inch of section thickness
Responds to heat treatment No
Machinability rating (Free Cutting Brass=100) 70
Suitability for being joined by: Soldering/Good
Brazing/Good*
Oxyacetylene Welding/Not Recommended
Gas Shielded Arc Welding/Not Recommended
Coated Metal Arc Welding/Not Recommended