Babbitt Grade 3 (Sn-8Sb-8Cu) tin-base vs Babbitt Grade 8 (Pb-5Sn-15Sb) lead-base
Property comparison of Babbitt Grade 3 (Sn-8Sb-8Cu) tin-base and Babbitt Grade 8 (Pb-5Sn-15Sb) lead-base, both tin alloy.
| Property | Babbitt Grade 3 (Sn-8Sb-8Cu) tin-base | Babbitt Grade 8 (Pb-5Sn-15Sb) lead-base | Difference |
|---|---|---|---|
| Yield strength | 45 MPa | 18 MPa | -60% |
| Tensile strength | 69 MPa | 70 MPa | +1% |
| Elongation | 1 % | 5 % | +400% |
| Density | 7,460 kg/m³ | 10,000 kg/m³ | +34% |
| Brinell hardness | 27 HB | 20 HB | -26% |
| Coefficient of thermal expansion | 0.000022 1/K | 0.000026 1/K | +18% |
| Melting point | 331 °C | 255 °C | -23% |
Difference is Babbitt Grade 8 (Pb-5Sn-15Sb) lead-base relative to Babbitt Grade 3 (Sn-8Sb-8Cu) tin-base. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- Grade 3 tin-base
- standard
- ASTM B23
- heat treatment
- chill cast
- grade
- Grade 8 lead-base
- standard
- ASTM B23
- heat treatment
- chill cast
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators