C90500 Tin Bronze
C90500 Tin Bronze "SAE 62"
ASTM B505, ASTM B584, ASTM B271, SAE 62
Typical Uses for C90500 Tin Bronze "SAE 62":
BUILDERS HARDWARE: Clamps
BUILDING: Heavy Construction Equipment
ELECTRICAL: Connectors
FASTENERS: Nuts
INDUSTRIAL: Pump Bodies, Valves, Gears, Piston Rings, Pump Impellers, Bushings, Bearings, Worm Gears, Expansion Bearings, Gear Blanks, Finishing Dies for Wood Pulp Industry, Valve Bodies, Seal Rings
PLUMBING: Water Conditioners, Steam Fittings
Introduction
Bronze – copper casting alloy UNS C90500 is a cast alloy of copper-tin. Bronze is preferred by architects for its attractive lustre and longevity.
- Chemical Composition
- Temper
- Mechanical Properties
- Physical Properties
- Fabrication
- Specifications
| Al | Sb | Cu | Fe | Pb | Ni | P | Si | S | Sn | Zn | |
| Min/Max | 0.005 | 0.2 | 86.0 - 89.0 | 0.2 | 0.2 | 1 | 0.05 | 0.005 | 0.05 | 9.0 - 11.0 | 1.0 - 3.0 |
| Nominals | - | - | 87.5000 | - | - | - | - | - | - | 10.0000 | 2.0000 |
Physical Properties
The following table details the physical properties of UNS C90500 alloy.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.72 g/cm3 | 0.315 lb/in³ |
Mechanical Properties
The mechanical properties of UNS C90500 alloy are shown in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Hardness, Brinell | 75 | 75 |
| Tensile strength | 310 MPa | 45000 psi |
| Yield strength | 150 MPa | 21800 psi |
| Elongation at break | 25.00% | 25.00% |
| Machinability | 30 | 30 |
| Compressive strength | 275 MPa | 39900 psi |
| Fatigue strength | 90.0 MPa | 13100 psi |
| Izod impact | 14.0 J | 10.3 ft.lb |
| Elastic modulus | 117 GPa | 16969 ksi |
| Poisson's ratio | 0.34 | 0.34 |
Thermal properties
The following table discusses the thermal properties of UNS C90500 alloy.
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@20-300°C/68-572°F) | 20.0 µm/m°C | 11.0 µin/in°F |
| Thermal conductivity(@20.0°C/68°F) | 74.0 W/mK | 514 BTUin/hr.ft².°F |
Other Designations
Equivalent designations to UNS C90500 alloy include:
AMS 4845
ASTM B22
ASTM B271
ASTM B30
ASTM B505
ASTM B584
ASTM B763
QQ C390
SAE J461
SAE J462
Fabrication and Heat Treatment
Machinability
UNS C90500 alloy has a machinability rating of 30.
Welding
The preferred welding techniques for UNS C90500 alloy are soldering, brazing, carbon arc welding, oxyacetylene welding, gas shielded arc welding and coated metal arc welding.
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