Babbitt Grade 13 (Pb-6Sn-10Sb) lead-base vs Babbitt Grade 2 (Sn-7.5Sb-3.5Cu) tin-base
Property comparison of Babbitt Grade 13 (Pb-6Sn-10Sb) lead-base and Babbitt Grade 2 (Sn-7.5Sb-3.5Cu) tin-base, both tin alloy.
| Property | Babbitt Grade 13 (Pb-6Sn-10Sb) lead-base | Babbitt Grade 2 (Sn-7.5Sb-3.5Cu) tin-base | Difference |
|---|---|---|---|
| Yield strength | 23 MPa | 42 MPa | +83% |
| Tensile strength | 70 MPa | 77 MPa | +10% |
| Elongation | 5 % | 18 % | +260% |
| Density | 10,200 kg/m³ | 7,390 kg/m³ | -28% |
| Brinell hardness | 19 HB | 24.5 HB | +29% |
| Coefficient of thermal expansion | 0.000026 1/K | 0.000022 1/K | -15% |
| Melting point | 249 °C | 298 °C | +20% |
Difference is Babbitt Grade 2 (Sn-7.5Sb-3.5Cu) 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 2 tin-base
- standard
- ASTM B23
- heat treatment
- chill cast
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