Dimension: Dia 0.20-8mm
State: soft annealed or hardness
Surface: bright and shining
Packing: 5-20kg/spool or 5-20/coil
Invar 36 wire
1.Chemical Composition %:
Alloy Grades | Chemical Composition % | |||||||
C | P | S | Mn | Si | Ni | Co | Fe | |
Not more than≤ | ||||||||
Invar36 | 0.05 | 0.020 | 0.020 | 0.20-0.60 | 0.30 | 35.0~37.0 |
----- | Balance |
2.The Average Linear Expansion Coefficient:
Alloy Grades | Specimen heat treatment system | The average linear expansion coefficient α,10-6/ oC | |
20-100 oC | 20-300 oC | ||
Invar36 | Will be semi-finished specimen heated to 840 ± 10 oC, insulation 1h, water quenching, and then processed into finished specimen, at 315 ± 10 oC, insulation 1h with the furnace cooling or air-cooled.. |
≤1.5 |
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3.Alloy typical expansion coefficient:
Alloy Grades | The average linear expansion coefficient α,10-6/ oC | |||||
20-50 oC | 20-100 oC | 20-200 oC | 20-300 oC | 20-400 oC | 20-500 oC | |
Invar36 | 0.6 | 0.8 | 2.0 | 5.1 | 8.0 | 10.0 |
