Table - density and specific heat capacity of alumel, chromel, copel, constantan

Physical properties of alloys

Alloy Density g/cm³ t° of melting: t° of annealing: Modulus of elasticity, GPa
Alumel 8,67 1440°C 950°C 130
Kopel 8,9 1150°C 800-850°C 166
Constantan 8,8 1250°C 950°C 165
Chromel 8,7 1420°C 800 - 900°C 186

Testing

Alloys must be subjected to tests - tensile, and hydrostatic or non-destructive electrical test. The material must meet the required mechanical properties - tensile strength, yield strength, and relative elongation.

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