C93200 Leaded Tin Bronze
ASTM B30, ASTM B66, ASTM B271, ASTMB505, ASTM B584, ASTM B763/B763M, SAE660, SAE J461, SAE J462, UNS C93200
Leaded Tin Bronze known as bearing bronze, C93200 has excellent machining properties, good hardness, as well as strength and wear resistance with excellent anti-friction qualities. SAE 660 bronze has a long life span, making it an ideal alloy for bushing and bearing applications. C93200 brings a machinability rating of 70, giving it a vast number of potential applications. Copper Alloy 932 is not subject to dezincification.
Farmers Copper has the following specs for C93200 leaded tin bronze in stock:
- ASTM B30
- ASTM B66
- ASTM B271
- ASTM B505
- ASTM B584
- ASTM B763/B763M
- SAE 660
- SAE J461
- SAE J462
- UNS C93200
Standard Shapes & Sizes for C93200
- Solid Bar (3/8” dia to 14” )
- Flat Bar (1/4" thick to 4”, up to 20” width)
- Hollow Bar (1” OD to 24” OD)
C93200 Leaded Tin Bronze Applications
- Bearings
- Bushings
- Washers
- Automotive
- Industrial
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Our C93200 Leaded Tin Bronze Inventory & Properties
Farmer’s diverse inventory of products and services offered provides our customers the largest and most extensive selection of alloys available, cut to precise specifications, and delivered with total quality control.
Chemical Properties
| Element | Cu (1,2) | Pb | Sn | Zn | Fe | P(3) | Ni (4) | Al | S | Sb | Si |
| Min % | 81 | 6 | 6.3 | 1 | |||||||
| Max % | 85 | 8 | 7.5 | 4 | 0.2 | 0.15 | 1 | 0.005 | 0.08 | 0.35 | 0.005 |
Physical Properties
| Melting Point – Liquidus ⁰F | 1790 | |
| Melting Point – Solidus ⁰F | 1570 | |
| Density lb/cu in. at 68⁰F | 0.322 | |
| Specific Gravity | 8.91 | |
| Electrical Conductivity % IACS at 68⁰F | 12 | |
| Thermal Conductivity Btu/sq ft/ft hr/ ⁰F at 68⁰F | 33.6 | |
| Coefficient of Thermal Expansion 10-6 per ⁰F (68-212 ⁰F) | 10 | |
| Specific Heat Capacity Btu/lb/⁰F @ 68 ⁰F | 0.09 | |
| Modulus of Elasticity in Tension ksi | 14500 | |
Fabrication Properties
| TECHNIQUE | SUITABILTY |
| Soldering | Excellent |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Not Recommended |
| Coated Metal Arc Welding | Not Recommended |
| Machinability Rating | 70 |
Mechanical Properties
| FORM | TEMPER | TENSILE STRENGTH | YS-0.5% EXT (KSI) | ELONGATION (%) |
| Continuous Cast | M07 | 35 | 20 | 10 |
Casting Characteristics
| Casting Attribute | Level | |
| Casting Yield | High | |
| Drossing | Low | |
| Effect of Section Size | Medium | |
| Fluidity | Medium | |
| Gassing | Medium | |
| Patternmakers Shrinkage in. per ft. | Jul-32 | |
| Shrinkage in Solidification | Low |
Our Commitment to Service
As a leading copper, brass, & bronze alloys supplier, Farmers Copper Ltd. attributes our success to serving our customers, through our service-minded employees and material readily available for prompt, accurate deliveries of copper, brass, bronze, stainless steel and other metal alloys.