Malleable cast iron 37-12 vs Malleable cast iron
Property comparison of Malleable cast iron 37-12 and Malleable cast iron, both cast iron.
| Property | Malleable cast iron 37-12 | Malleable cast iron | Difference |
|---|---|---|---|
| Yield strength | 210 MPa | 317 MPa | +51% |
| Tensile strength | 362 MPa | 414 MPa | +14% |
| Elastic modulus | 160,000 MPa | 172,000 MPa | +8% |
| Shear modulus | 64,000 MPa | 68,000 MPa | +6% |
| Poisson ratio | 0.25 | 0.27 | +8% |
| Density | 7,160 kg/m³ | 7,160 kg/m³ | 0% |
| Thermal conductivity | 50 W/m·K | 50 W/m·K | 0% |
| Specific heat | 460 J/kg·K | 460 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000012 1/K | 0% |
| Melting point | 1,200 °C | 1,200 °C | 0% |
Difference is Malleable cast iron relative to Malleable cast iron 37-12. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- GOST
- standard
- ANSI
About malleable cast iron
Malleable iron is produced by annealing white iron castings to convert the carbon to temper-carbon nodules. The result is more ductile than gray iron and was historically used for pipe fittings, hand tools, and small machine parts. It has largely been displaced by ductile iron for new designs but is still specified for legacy applications.
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