DIN GTS - 40 vs DIN GTS - 50
Property comparison of DIN GTS - 40 and DIN GTS - 50, both cast iron.
| Property | DIN GTS - 40 | DIN GTS - 50 | Difference |
|---|---|---|---|
| Yield strength | 180 MPa | 260 MPa | +44% |
| Tensile strength | 400 MPa | 500 MPa | +25% |
| Elongation | 4 % | 4 % | 0% |
| Elastic modulus | 160,000 MPa | 160,000 MPa | 0% |
| Shear modulus | 64,000 MPa | 64,000 MPa | 0% |
| Poisson ratio | 0.27 | 0.27 | 0% |
| Density | 7,160 kg/m³ | 7,160 kg/m³ | 0% |
| Thermal conductivity | 46 W/m·K | 46 W/m·K | 0% |
| Specific heat | 460 J/kg·K | 460 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.000011 1/K | 0% |
| Melting point | 1,175 °C | 1,175 °C | 0% |
Difference is DIN GTS - 50 relative to DIN GTS - 40. 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
- DIN
- standard
- DIN
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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