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| Categories | Low Expansion Alloy |
|---|---|
| Brand Name: | HUONA |
| Model Number: | 4j42 /Nilo42 |
| Certification: | ISO9001 |
| Place of Origin: | CHINA |
| MOQ: | 50-100 kgs per each size |
| Price: | Bargain |
| Payment Terms: | L/C,Western Union,T/T,MoneyGram |
| Supply Ability: | 10000 Tons/Year |
| Delivery Time: | 5-21days |
| Packaging Details: | Cartons/WoodBox |
| Model NO.: | 4J42 sealing Alloy Strip |
| Specification: | Base on customers′ request |
| Grade: | 4J42 |
| Size: | Strip---Thickness 0.1mm~4.0mm, width:≤300mm |
| Condition: | cold rolled(hot), bright, bright annealed |
| MOQ: | 50-100 kgs per each size |
| Company Info. |
| Huona (Shanghai) New Material Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
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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