Low-expansion Alloy-4J36
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Low-expansion Alloy
Grade：
36н, Invar, Invariant Steel, Fe-Ni36Standards and Technical Conditions：
GBn110-81 YB/T 5241
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Product Characteristics
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4J36 alloy is also named as Invar alloy. The alloy has a curie point of 230℃. Lower than this temperature, the alloy is ferromagnetic and features low expansion coefficient; higher than this temperature, it is non-magnetic with the increased expansion coefficient.
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Industrial Application
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The alloy is mainly used for manufacturing the components whose dimensions remain approximately constant within the range of atmospheric temperature variation, and is widely used in the radio industry, precision instruments, instrumentation and other industries.
Common Delivery Condition
Standard Heat Treatment Procedure?
Excerpted from GBn110-81, YB/T 5241.
Main Specifications
Delivery Condition
Bars did not undergo the heat treatment, supplied after polishing and turning
Chemical Composition
Excerpted from GBn110-81, YB/T 5241
Mechanical Properties
Tensile Properties
