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4J50 Controlled Expansion Iron Nickel Alloy , Forging Ceramics Glass Sealing Alloy

Place of Origin China
Brand Name AIWEN
Certification ISO9001
Model Number 4J50
Minimum Order Quantity 50kg
Price Negotiable
Packaging Details Plywood case
Delivery Time 30-35 days
Payment Terms T/T
Supply Ability 500kg per week
Product Details
Equal Grades FeNi50, Nilo51, N50 Spec YB/T 5235-1993
Density 8.21g/cm3 Resistance Rate 0.44μΩ·m
Forms Of Supply Wire, Strip, Tube, Capillary, Rod, Round Bar, Forging Product Name Controlled Expansion Alloys
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thermal expansion nickel

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corrosion resistant alloys

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Product Description

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

Element C Mn Si P S Al Co Ni Fe
Weight(%) 0.05 max 0.80 max 0.30 max 0.020 max 0.020 max 0.10 max 1.0 max 49.5~50.5 Rem

 

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