ASTM B271 High-Lead Tin Bronze UNS C93200
Standard Specification for Copper-Base Alloy Centrifugal Castings
Group - Non-Ferrous Copper Alloy
Sub Group - ASTM B271 Copper-Base Alloy Centrifugal Castings
Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries
Grade Belongs to the Industry - Rod, Bar, Tube and Shapes
| Chemical Composition | ||
|---|---|---|
| Tin | Sn % | 9.000 - 11.000 |
| Lead | Pb % | 8.000 - 11.000 |
| Zinc | Zn % | 0.800 max. |
| Iron | Fe % | 0.150 max. |
| Ni + Co | Ni% + Co% | 1.000 max. |
| Aluminium | Al % | 0.005 max. |
| Silicon | Si % | 0.005 max. |
| Antimony | Sb % | 0.500 max. |
| Sulphur | S % | 0.080 max. |
| Phosphorus | P % | 0.150 max. |
| Copper | Cu % | 78.000 - 82.000 |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| Heat Treatment |
|---|
| As-Cast |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 221 min. |
| Yield Strength in Mpa | 110 min. |
| Elongation in % | 15 min. |
| Reduction of Area in % | - |
| Hardness in BHN | - |
| Impact in Joule | - |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| B22 C93700 | ASTM | USA | Casting |
| B30 C93700 | ASTM | USA | Ingot and Casting |
| SB-505 C93700 | ASME | USA | Casting |
| SB-584 C93700 | ASME | USA | Casting |
| C93700 | SAE | USA | Casting |
| CA937 | SAE | USA | Casting |
| C93700 | AS | Australia | Ingot and Casting |