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Invar Tube ASTM F 1684 Controlled Expansion Alloy Low Thermal Expansion Alloy

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Invar Tube ASTM F 1684 Controlled Expansion Alloy Low Thermal Expansion Alloy

Brand Name : XUNSHI
Model Number : Invar
Certification : ISO, SGS
Place of Origin : China
MOQ : 20kg
Price : Negotiable
Payment Terms : T/T
Supply Ability : 100 kg per week
Delivery Time : 60 days
Packaging Details : Plywood crate
Equal grades : Invar 36, NILO 36, Pernifer 36, 4J36, EN 1.3912, UNS K93600, UNS K93603, Werkstoff 1.3912
Spec : ASTM F1684
Material : FeNi alloy
Forms of supply : Sheet, strip, wire, rod, bar, tube, capillary
Size rang : O.D. Φ0.2~Φ8mm
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Dimension: O.D.: Φ0.2~Φ8mm, wall thickness 0.015~0.5mm.
Tolerance: O.D.: Φ±0.003mm, wall thickness T±0.005mm, length L±0.05mm.


Introduction
Invar is a low expansion alloy consisting of 36% Nickel, balance Iron. Invar Alloy exhibits extremely low expansion around ambient temperatures, making Invar Alloy particularly useful in applications where minimum thermal expansion and high dimensional stability is required, such as in precision instruments like optoelectronic devices, optical and laser benches, electronics, and other kinds of scientific instruments.


Character
Low expansion rate up to 500°F
Readily weldable


Application
Cathode Ray Tubes
Other application areas, such as telecommunications, aeronautical and aerospace engineering, cryogenic engineering (liquefied natural gas tankers) etc., require either high dimensional stability with variation in temperature, or expansion characteristics matched with those of other materials, such as glass, ceramics, or composites.


Equal grades
Invar 36, NILO 36, Pernifer 36, 4J36, EN 1.3912, UNS K93600, UNS K93603, Werkstoff 1.3912


Chemical composition
Ni=35.0~37.0, Fe=Remainder, Mo≤0.50, C≤0.1, Cu≤0.5, Mn≤0.60, Si≤0.35, P≤0.025, S≤0.025, Cr≤0.5


Spec
ASTM F 1684-06


Forms available at XUNSHI
Sheet, strip, wire, rod, bar, tube, capillary


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