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
Bearings, bushings, pump impellers, piston rings, valve components, steam fittings, gears.
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.
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
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
*Since brazing is performed at temperatures within the hot-short range, strain must be avoided during the brazing and cooling of this alloy.
The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in composition and to manufacturing limitations, they should not be used for specification purposes. See applicable A.S.T.M. specification references.