Wuxi Jinlai Mechanical Processing Co., Ltd.
Wuxi Jinlai Machinical Processing Co., LTD
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0.03-3.0mm Alloy 4j50 Vacovit 500 Nilo51 Ns-1 As Glass Sealing Material
Alloy 4j50, Vacovit 500, Nilo51, Ns-1
4J50 the other common Name: 50H, N50, Vacovit 500, FeNi50, Nilo51, Ns-1
4J50 is mainly composed of iron, nickel elements. It is characterized with a fixed coefficient of expansion
| Grade | 4J42,4J45,4J50,4J52,4J54 | |
| Size |
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| Features |
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| Application | Used as soft glass or ceraimc sealing material in the electric vacuum industry. |
Normal composition%
| Grade | C | P | S | Mn | Si | Al | Ni | Co | Fe |
| 4J42 | ≤0.05 | ≤0.02 | ≤0.02 | ≤0.8 | ≤0.3 | ≤0.1 | 41.5-42.5 | ≤1.0 | Bal. |
| 4J45 | ≤0.05 | ≤0.02 | ≤0.02 | ≤0.8 | ≤0.3 | ≤0.1 | 44.5-45.5 | / | Bal. |
| 4J50 | ≤0.05 | ≤0.02 | ≤0.02 | ≤0.8 | ≤0.3 | ≤0.1 | 49.5-50.5 | / | Bal. |
| 4J52 | ≤0.05 | ≤0.02 | ≤0.02 | ≤0.6 | ≤0.3 | / | 51.5-52.5 | / | Bal. |
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