Alloy 52 is a nickel iron alloy whose coefficient of expansion closely mirrors soft glass. Applications for this product include magnetic reed switches and seals that need controlled linear expansion to approximately 525 °C.
Chemical Composition
Grade | Chemical Composition(%) | ||||||||||
C≤ | P≤ | S≤ | Mn | Si | Ni | Cr | Co | Mo | Cu | Fe | |
Alloy 52 | 0.03 | 0.020 | 0.020 | 0.30~ 0.60 | 0.15~ 0.30 | 49.0~ 50.5 |
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| ≤0.20 | REM |
Mechanical property
Grade | Resistivity /(μΩ•m ) | Density /(g/ cm3) | Curie point/°C | HBS | Tensile Strength /MPa | Yield Strength/MPa | Elongation (%) | ||||
Hard | Soft | Hard | Soft | Hard | Soft | Hard | Soft | ||||
Alloy 52 | 0.45 | 8.2 | 500 | 170 | 130 | 785 | 450 | 685 | 150 | 3 | 37 |
Coefficient of linear expansion
Grade | coefficient of linear expansion/(×10-6/K) | ||||||||
20~ 100°C | 20~ 200°C | 20~ 300°C | 20~ 400°C | 20~ 500°C | 20~ 600°C | 20~ 700°C | 20~ 800°C | 20~ 900°C | |
Alloy 52 | 8.9 | 9.27 | 9.2 | 9.2 | 9.4 |
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Alloy 52 is a nickel iron alloy whose coefficient of expansion closely mirrors soft glass. Applications for this product include magnetic reed switches and seals that need controlled linear expansion to approximately 525 °C.
Chemical Composition
Grade | Chemical Composition(%) | ||||||||||
C≤ | P≤ | S≤ | Mn | Si | Ni | Cr | Co | Mo | Cu | Fe | |
Alloy 52 | 0.03 | 0.020 | 0.020 | 0.30~ 0.60 | 0.15~ 0.30 | 49.0~ 50.5 |
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| ≤0.20 | REM |
Mechanical property
Grade | Resistivity /(μΩ•m ) | Density /(g/ cm3) | Curie point/°C | HBS | Tensile Strength /MPa | Yield Strength/MPa | Elongation (%) | ||||
Hard | Soft | Hard | Soft | Hard | Soft | Hard | Soft | ||||
Alloy 52 | 0.45 | 8.2 | 500 | 170 | 130 | 785 | 450 | 685 | 150 | 3 | 37 |
Coefficient of linear expansion
Grade | coefficient of linear expansion/(×10-6/K) | ||||||||
20~ 100°C | 20~ 200°C | 20~ 300°C | 20~ 400°C | 20~ 500°C | 20~ 600°C | 20~ 700°C | 20~ 800°C | 20~ 900°C | |
Alloy 52 | 8.9 | 9.27 | 9.2 | 9.2 | 9.4 |
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