The Mould Design Guide




















| AISI No. | Density(kg/m 3) | Thermal conductivity(W/(m-K)) | Thermal expansion(10 -6K -1) | Spec. Heat capacity (J/(Kg.k)) | Tensile strength(MPa) | Yield strength(MPa) | Elongation(%) |
|---|---|---|---|---|---|---|---|
| 1020 | 7850 | 46.7 | 11-15 | 460 | 520 | 440 | 20 |
| 1030 | 7833 | 46.7 | 14.9 | 600 | 51O | 17.5 | |
| 1040 | 7833 | 46.7 | 680 | 450 | 16 | ||
| 1095 | 7800 | 43.3 | 11-14 | 470 | 1380 | 960 | 10-15 |
| 4130 | 7833 | 46.7 | 560 | 360 | 28 | ||
| 6150 | 7860 | 60.6 | 10-12 | 460 | 665 | 410 | 23 |
| 8620 | 7833 | - | 535 | 385 | 31 | ||
| S1 | 7960 | 62.3 | 11-13 | 440 | 2070 | 1900 | 4 |
| S7 | 14.9 | 2170 | 1450 | 7 | |||
| H13 | 7800 | 24.6 | 12-13 | 460 | 950 | 750 | 20 |
| P20 | 7800 | 29.0 | 12.7 | 460 | 950 | 750 | 20 |
| 420 | 7800 | 23.0 | 11-12 | 460 | 2050 | 1600 | 8 |
| Polymer operal. | Specific gravity | Specific heat (KJ/kg C) | Thermal conductivity (W/m/K) | Coeff. of therm, exp.( ?m/m/k) | Thermal diffusivity(m 2/s)x10 -7 | Max. temperature( C) |
|---|---|---|---|---|---|---|
| ABS | 1.04 | 1.47 | 0.3 | 90 | 1.7 | 70 |
| Aoctal | 1.42 | 1.47 | 0.2 | 80 | 0.7 | 85 |
| (Homo-pol.) | ||||||
| Acetal | 1.41 | 1.47 | 0.2 | 95 | 0.72 | 90 |
| (Co-pol.) | ||||||
| Acrylic | 1.18 | 1.47 | 0.2 | 70 | 1.09 | 50 |
| Cellulose | 1.28 | 1.50 | 0.15 | 100 | 1.04 | 60 |
| Acetate | ||||||
| Epony | 1.90 | - | 0.23 | 70 |