Product Details
4J32 Super-Invar Low Expansion Alloy -60~80°C lower expansion rate
than 4J36
4J32 is also called Super-Invar. It has a lower expansion coefficient than 4J36 within temperature range -60~80°C. It is mainly used to
make instrument parts which requires high presicion in enviornment
temperature range.
Chemical composition
Element | C | P | S | Si | Mn | Cu | Co | Ni | Fe |
Weight(%) | 0.05 max | 0.02 max | 0.02 max | 0.02 max | 0.20~0.60 | 0.40~0.80 | 3.2~4.2 | 31.5~33.0 | Rem |
Spec
YB/T 5241-2005 Alloy with expansion
Mean Coefficient of Linear Expansion | 20~50°C | 20~100°C | 20~150°C | 20~200°C | 20~250°C | 20~300°C | 20~400°C | 20~500°C |
4J32 | 0.5 | 0.9 | 1.4 | 2.0 | 3.2 | 4.9 | 7.7 | 9.6 |
Company Profile
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
· Non-standard product research and pre-production
· Hard to find material sourcing
· Cutting/splitting
· Precision machining
· Heat treatment
· Customized Packing
· Logistics service
Advantages of Xunshi
· Experienced in industry
· Quality control system
· Authorized Certificates
· Guaranteed delivery and quality
· Customers from 30+ countries trust us
Xunshi is engaged in introducing China-origin high performance alloys to
the entire world. Choose Xunshi, choose high performance.



