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INVAR
Published:2013-06-04 23:55:12    Text Size:【BIG】【MEDIUM】【SMALL】

Specifications
Grade UNS Werkstoff Nr. Density Melting Point
Invar 36 K93600 1.3912 8.1 g/cm3 1430°C
Kovar K94610 1.3981 8.17 g/cm3 1449°C
Alloy 42 K94100 1.3917 8.12 g/cm3 1440°C
Chemical Composition(%)
Invar 36 C Si P S Mn Ni Fe
Max 0.05 Max 0.30 Max 0.020 Max 0.020 0.20-0.60 35.0-37.0 Bal.
Kovar C P S Mn Si Cu Cr Mo Ni Co Fe
Max 0.03 Max 0.020 Max 0.020 Max 0.50 Max 0.30 Max 0.20 Max 0.20 Max 0.20 28.5-29.5 16.8-17.8 Bal.
Alloy 42 C P S Mn Si Al Co Ni Fe
Max 0.05 Max 0.020 Max 0.020 Max 0.80 Max 0.30 Max 0.10 Max 1.0 41.0-42.5 Bal.
Alloy 52 C Si P S Mn Ni Fe
Max 0.03 0.15-0.30 Max 0.020 Max 0.020 0.30-0.60 49.0-50.0 Bal.

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