Transportation:Ocean,Land,Air
Port:SHANGHAI
Model No.: 4J42
Place Of Origin: China
Shape: Strip
Chemical Composition: 42% nickel, Fe balance
Standard: GB/ASTM/AISI/ASME/JIS/DIN etc
Application: making electric heating elements
Property: FeNi 42 Glass Sealing Alloys 4J42
Packaging: Standard seaworthy package (wooden boxes package, pvc package, and other package).or as buyers requirement
Productivity: 20 Metric Ton/Metric Tons per
Transportation: Ocean,Land,Air
Place of Origin: JIANGSU
Supply Ability: 20 Metric Ton/Metric Tons per Month
Port: SHANGHAI
FeNi 42 Glass Sealing Alloys 4J42
| Grade and chemical composition | |||||||||||
| Grade | Mass fraction (%) | ||||||||||
| C | P | S | Mn | Si | B | Al | C0 | Ni | Cr | Fe | |
| ≤ | |||||||||||
| 4J42 | 0.05 | 0.020 | 0.020 | 0.80 | 0.30 |
| 0.10 | 1.0 | 41.5~42.5 |
| balance |
| tensile strength for strips | |
| status | tensile strength /MPa |
| soft | <590 |
| hard | >820 |
| hardness of strip in deep punching status | ||
| deep punching | thickness/mm | Hardness HV |
| Fe-Ni-Cr |
| ≤190 |
| Fe-Ni | >2.5 | ≤190 |
| ≤2.5 | ≤165 | |
| heat treating regime and coefficient of linear expansion | |||||
| Grade | Heat treatment on samples | a/(10-6/K) |
| ||
| 20-300°C | 20~400% | 20-450°C |
| ||
| 4J42 | Heat the sample to (900±20)°C in hydrogen atmosphere, keep the temperature for one hour, cool to below 200°C at the speed ≤5°C/min then discharge | 4.0~5.0 |
| 6.5~7.5 |
|
| 6.5~7.2 | 6.5~7.2 |
|
| ||
| 9.2~10.0 | 9.2~9.9 |
| |||
| coefficient of expansion | ||||||||
| Grade | Average coefficient of expansion a/(10-6/K) |
| ||||||
| 20~100°C | 20~200°C | 20~300°C | 20~400°C | 20~450°C | 20~500°C | 20~600°C |
| |
| 4J42 | 5.6 | 4.9 | 4.8 | 5.9 | 6.9 | 7.8 | 9.2 |
|
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