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Invar Tube ASTM F 1684 Controlled Expansion Alloy Low Thermal Expansion Alloy
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|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|
ASTM F1684 invar tube,
FeNi alloy invar tube,
8mm invar tube
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.
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.
Low expansion rate up to 500°F
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.
Invar 36, NILO 36, Pernifer 36, 4J36, EN 1.3912, UNS K93600, UNS K93603, Werkstoff 1.3912
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
ASTM F 1684-06
Forms available at XUNSHI
Sheet, strip, wire, rod, bar, tube, capillary