ASTM B271 Tin Bronze and Leaded Tin Bronze UNS C92300
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 % | 7.500 - 9.000 |
| Lead | Pb % | 0.300 - 1.000 |
| Zinc | Zn % | 2.500 - 5.000 |
| Iron | Fe % | 0.250 max. |
| Ni + Co | Ni% + Co% | 1.000 max. |
| Aluminium | Al % | 0.005 max. |
| Silicon | Si % | 0.005 max. |
| Antimony | Sb % | 0.250 max. |
| Sulphur | S % | 0.050 max. |
| Phosphorus | P % | 0.050 max. |
| Copper | Cu % | 85.000 - 89.000 |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| Heat Treatment |
|---|
| As-Cast |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 234 min. |
| Yield Strength in Mpa | 110 min. |
| Elongation in % | 22 min. |
| Reduction of Area in % | - |
| Hardness in BHN | - |
| Impact in Joule | - |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| B30 2B | ASTM | USA | Ingot and Casting |
| B30 C92300 | ASTM | USA | Ingot and Casting |
| B271 C92300 | ASTM | USA | Casting |
| B505 C92300 | ASTM | USA | Casting |
| B584 C92300 | ASTM | USA | Casting |
| SB-505 C92300 | ASME | USA | Casting |
| CA923 | SAE | USA | Ingot and Casting |