Characteristics of the alloy Kayem 1
Kayem 1 is a commercial acronym that stands for this particular alloy for moulds,
also known as Kirksite A or Tonsul 1
| Physical characteristics |
Mechanical Characteristics |
Chemical analysis % |
| Specific weight Kg 6.7 |
Breaking strength KG/mm2 20-22 |
Aluminum 3,90 -4,30 |
| Melting point °C 390 |
Lengthening % 1.0-1.5 |
Rame 2,70-3,50 |
| Max. fusion temperature °C 450 |
Hardness Brinnel Kg/mm2 105-110 |
Magnesium 0,09-0,14 |
| Linear withdrawal % 1 |
Compression and breakage resistance
Kg/mm2 80-85 |
Zinc |
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Coefficient of linear thermal expansion mm/°C 0.000028 |
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