4J50 Iron Nickel Controlled Expansion Alloy for Glass and Ceramics Sealing

4J50 is used in glass-to-metal seals for some of the soft glasses and some ceramics. Produced with good machining properties, it’s manufactured in a controlled environment under controlled conditions.

Specification

YB/T 5235-1993 Sealed Iron-Nickel-Chromium, Iron-Nickel Alloys Technical Requirements

Chemical composition

Application

4J50 is mainly used to make precision impedance diaphragm, wet spring relay, dry spring relay, and the corresponding soft glass sealing for precision length measurement.

Liner expansion rate(10^-6/°C)

20~300°C 9.2~10.0

20~400°C 9.2~9.9

Density

8.21g/cm³

Suzhou Xunshi New Material Co., Ltd (refered as Xunshi afterwards) is a professional supplier of high performance alloys. Our factory is specialized in manufacturing Nickel alloys & Cobalt alloys for 10⁺ years，with a company mission to provide a high quality, reliable source for precision alloys, high temperature alloys and stainless steels in both pilot run and mass production. We are professionally manufacturing materials with unique features, which are then used in aerospace, military, electronics, marine, petroleum and petrochemical industries.

Base on “Quality-oriented, Leading Technology, Continuous Improvement, Customer Satisfaction”, we believe Xunshi could be your best supplier.

Product Scope of Xunshi

· Inconel

· Hastelloy

· Incoloy

· Monel

· Nimonic

· Nitronic

· Haynes

· Special Stainless Steel

· Soft Magnetic Alloy

· Permanent Magnetic Alloy

· Elastic Alloy

· Controlled Expansion Alloy

· Magnetostrictive Material

Services of Xunshi

· Material selection

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· Cutting/splitting

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· Heat treatment

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Advantages of Xunshi

· Experienced in industry

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· Authorized Certificates

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Xunshi is engaged in introducing China-origin high performance alloys to the entire world. Choose Xunshi, choose high performance.