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              C93700 High Leaded Tin Bronze

C93700 High Leaded Tin Bronze   Copper Alloy No. C93700   C93700 High Leaded Tin Bronze

High Leaded Tin Bronze SAE 64 , CDA 937 , 80-10-10

ASTM B 505 , ASTM B 271
Chemical Composition % by weight
Element Nominal Minimum Maximum
Aluminum - - .005
Antimony - - .55
Copper 80 78 82
Iron - - .15
Lead 10 8 11
Nickel - - 1
Phosphorus - - .15
Silicon - - .005
Sulfur - - .08
Tin 10 9 11
Zinc - - .8
C93700 has excellent machining properties, medium strength and good corrosion resistance and will withstand mild acids as found in mine water.

Bearings manufactured from C93700 have excellent wear resistance under conditions of high speed, heavy pressure and vibration, have low friction and can be used where lubrication is less than adequate and there may be minor misalignment. C93700 bearings require a hardened shaft and maximum shaft surface speeds of 4 m/sec can be tolerated.
Applications
Bearings for high speed and heavy pressures, pumps, impellers, corrosion resistant applications, pressure tight castings.
Mechanical Properties
M07 - As Continuous Cast
Hardness* Brinell Hardness (500 kg load) 60
Tensile Strength** KSI 35
Yield Strength ** KSI (0.5% Ext. under load) 20
Elongation** % in 2 inch 20
**Test values are nominal approximations and depend on specimen size and orientation.
Physical Properties
Thermal Conductivity BTU/ (sq ft-ft-hr-F) 27.1
Specific Heat BTU/lb/ºF @ 68F .09
Thermal Expansion Per °F from 68 F to 572 F .0000103
Density lb/cu in @ 68 F .320
Electrical Conductivity* (Annealed) % IACS @ 68 F 10
Modulus of Elasticity KSI 11,000
*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) 80
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
*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.

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C93700 High Leaded Tin Bronze

at best prices from India. We are the biggest foundry casting alloy indian manufacturers exporters foundries in Jamnagar of

C93700 High Leaded Tin Bronze


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