C93200
PRODUCT DESCRIPTION: Leaded Tin Bronze
SOLIDS: 1/2″ to 13″ O.D.
TUBES: 1″ to 16″ O.D.
RECTANGLES: Up to 20″
STANDARD LENGTHS: 105″
SHAPE/FORM: semi-finished, mill stock or near-net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar
Typical Uses
AUTOMOTIVE: automotive fittings
FASTENERS: washers
INDUSTRIAL: bushings, bearings, bearings for cranes, diesel engine wrist pin bushings, forging press toggle lever bearings, insert bearings, fittings, fuel pump bushings, general purpose bushings, hydraulic press main lining, hydraulic press stuffing box, linkage bushings for presses, machine parts, machine tool bearings, main spindle bearings, pump fixtures, pump impellers, pumps, roll neck bearings, rolling mill bearings, thrust washers, trunion bearings, water pump bushings
Similar or Equivalent Specification
| CDA | ASTM | SAE | AMS | Federal | Military | Other |
| C93200 |
B505
B505M
|
J461
J462
|
QQ-C-390, E7;
QQ-B-1005, Comp 12
|
MIL-B-11553, Comp 12 | Bearing Bron |
Chemical Composition
| Cu%1 | Pb% | Sn% | Zn% | Fe% | P% | Ni%1,2 | Al% | S% | Sb% | Si% |
|
81.00-
85.00
|
6.00-
8.00
|
6.30-
7.50
|
2.00-
4.00
|
0.20
|
1.50
|
1.00
|
0.005
|
0.08
|
0.35
|
0.005
|
Chemical Composition according to ASTM B505/B505M-18
1In determining Cu min., Cu may be calculated as Cu + Ni. 2Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.0% min. Single values represent maximums.
Machinability
| Copper Alloy UNS No. | Machinability Rating | Density (lb/in3 at 68 °F) |
| C93200 | 70 | 0.322 |
Mechanical Properties
| Tensile Strength, min | Yield Strength, at 0.5% Extension Under Load, min | Elongation, in 2 in. or 50 mm min | Brinell Hardness (500 kg load) | Remarks | ||
| ksi | MPa | ksi | MPa | % | typical BHN | |
| 35 | 241 | 20 | 138 | 10 | 65 | |
Mechanical Properties according to ASTM B505/B505M-18
Physical Properties
| US Customary | Metric | |
| Melting Point – Liquidus | 1790 °F | 977 °C |
| Melting Point – Solidus | 1570 °F | 854 °C |
| Density | 0.322 lb/in3 at 68 °F | 8.91 gm/cm3 at 20 °C |
| Specific Gravity | 8.91 | 8.91 |
| Electrical Conductivity | 12% IACS at 68 °F | 0.07 MegaSiemens/cm at 20 °C |
| Thermal Conductivity | 33.6 Btu/sq ft/ft hr/°F at 68 °F | 58.2 W/m at 20 °C |
| Coefficient of Thermal Expansion 68-212 | 10 · 10-6 per °F (68-212 °F) | 17.3 · 10-6 per °C (20-100 °C) |
| Specific Heat Capacity | 0.09 Btu/lb/°F at 68 °F | 377.1 J/kg at 20 °C |
| Modulus of Elasticity in Tension | 14500 ksi | 100000 MPa |
Physical Properties provided by CDA
Fabrication Properties
| Technique | Suitability |
| Soldering | Excellent |
| Brazing* | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Not Recommended |
| Coated Metal Arc Welding | Not Recommended |
| Machinability Rating | 70 |
Fabrication Properties provided by CDA
*Since brazing is performed within the hot-short range, strain must be avoided during brazing and cooling.
Thermal Properties
| Treatment | Value* | Time** |
| Stress Relief | 500 | |
| Solution Treatment | 0 |
Thermal Properties provided by CDA
*Temperature is measured in Fahrenheit. **For Stress Relief, Solution Treatment and Annealing – Time is measured in hours/inch of thickness. For Precipitation Heat Treatment – Time is measured in hours.