Brass Copper Castings India
C92600 Leaded Tin Bronze


Copper Alloy No. C92600
Leaded Tin Bronze CDA 926
Chemical Composition % by weight
Element Nominal Minimum Maximum
Aluminum - - .005
Antimony - - .25
Copper 87.3 86 88.5
Iron - - .20
Lead 1.2 .8 1.5
Nickel - - .7
Phosphorus - - .03
Silicon - - .005
Sulfur - - .05
Tin 10 9.3 10.5
Zinc 2 1.3 2.5

Applications

Bearings, bushings, pump impellers, piston rings, valve components, steam fittings, gears.

Mechanical Properties

M07 - As Continuous Cast

Hardness* Brinell Hardness (500 kg load) 70
Tensile Strength** KSI 44
Yield Strength ** KSI (0.5% Ext. under load) 20
Elongation** % in 2 inch 30

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

Physical Properties

Thermal Conductivity BTU/ (sq ft-ft-hr-F) N/A
Specific Heat BTU/lb/ºF @ 68F .09
Thermal Expansion Per °F from 68 F to 350 F .000010
Density lb/cu in @ 68 F .315
Electrical Conductivity* (Annealed) % IACS @ 68 F 9
Modulus of Elasticity KSI 15,000

*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) 40
Suitability for being joined by: Soldering/Excellent
Brazing/Good*
Oxyacetylene Welding/Not Recommended
Gas Shielded Arc Welding/Not Recommended
Coated Metal Arc Welding/Not Recommended