Babbitt Grade 13 (Pb-6Sn-10Sb) lead-base vs Babbitt Grade 3 (Sn-8Sb-8Cu) tin-base
Property comparison of Babbitt Grade 13 (Pb-6Sn-10Sb) lead-base and Babbitt Grade 3 (Sn-8Sb-8Cu) tin-base, both tin alloy.
| Property | Babbitt Grade 13 (Pb-6Sn-10Sb) lead-base | Babbitt Grade 3 (Sn-8Sb-8Cu) tin-base | Difference |
|---|---|---|---|
| Yield strength | 23 MPa | 45 MPa | +96% |
| Tensile strength | 70 MPa | 69 MPa | -1% |
| Elongation | 5 % | 1 % | -80% |
| Density | 10,200 kg/m³ | 7,460 kg/m³ | -27% |
| Brinell hardness | 19 HB | 27 HB | +42% |
| Coefficient of thermal expansion | 0.000026 1/K | 0.000022 1/K | -15% |
| Melting point | 249 °C | 331 °C | +33% |
Difference is Babbitt Grade 3 (Sn-8Sb-8Cu) tin-base relative to Babbitt Grade 13 (Pb-6Sn-10Sb) lead-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 13 lead-base
- standard
- ASTM B23
- heat treatment
- chill cast
- grade
- Grade 3 tin-base
- standard
- ASTM B23
- heat treatment
- chill cast
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