ASTM B983 Alloy 718 / UNS N07718 Nickel Alloy Seamless Tube


MTSCO is a leading manufacturer who is specialized in stainless steel seamless pipes , bright annealed tubes , seamless coiled tubing etc basic products . We also have duplex stainless steel tubes and pipes , nickel alloy tubes and pipes etc . MTSCO has the most advanced producing and testing equipment . We can totally satisfy your requirement . According to standard very strictly, nickel alloy tubes which produced by us always have correct OD and WT tolerance . Nickel alloy tubes have a very important position in thermocouple & cable industry .

Main market or alloy tube include Europe , Middle East , Southeast Asia , South America , etc . MTSCO has bright annealing alloy tube and pickling alloy tube . Compared these two kinds of tubes , bright annealed alloy tubes are more popular in the market . Because it has bright out and inner surface .


1. Material Grade: Alloy 718/UNS N07718,  Alloy C276/UNS N10276,  Alloy 800/UNS N08800,  Alloy 825/UNS N08825,  Alloy 400/UNS N04400; etc

2. Outer Diameter: 3.18mm-101.60mm

    Wall Thickness: 0.50mm-20.00mm

3. Length: Normally fixed length 6m, can as per customer’s requirement

4. Standard: ASTM B163; ASTM B983; ASTM B444; ASTM B622 ect

5. Technology : Cold Drawn / Cold Rolled


 Alloy 718 Chemical composition:


% Ni Fe Cr Mo C Mn Si P S Co Nb+Ta Ti Al Cu B
min 50.0 balance 17.0 2.80 - - - - - - 4.75 0.65 0.20 - -
max 55.0 21.0 3.30 0.08 0.35 0.35 0.015 0.015 1.00 5.50 1.15 0.80 0.30 0.006


Features Alloy 718 is an age-hardenable nickel-chromium alloy that combines corrosion resistance with high strength and good fabricability. It has high creep-rupture strength at temperatures up to 700℃. Its excellent relaxation resistance contributes to its application in springs.


Applications: Gas turbine engines, rocket motors, nuclear reactors and spacecraft.



Tag: Inconel 718 / UNS N07718, Alloy 718

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