Stainless Steel
Superaustenitic AL-6XN®

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Specifications (ASTM/ASME)
Alloy UNS Designation Material
Specification
Tubing
Specification
Pipe
Specification
AL-6XN® N08367 A 240/SA-240 A 249/SA-249 A 312/SA-312
      A 269 B 675
      A 270 ---
      B 676 ---
Chemical Composition (%)
Alloy AL-6XN®
UNS Designation N08367
Carbon (C) max. 0.030
Manganese (Mn) max. 2.00
Phosphorus (P) max. 0.040
Sulfur (S) max. 0.030
Silicon (Si) max. 1.00
Chromium (Cr) 20.0 - 22.0
Nickel (Ni) 23.5 - 25.5
Molybdenum (Mo) 6.0 - 7.0
Nitrogen (N) 0.18 - 0.25
Copper (Cu) max. 0.75
Aluminum (Al) 0.15 - 0.60
Iron (Fe) Balance
Typical Physical & Mechanical Properties - Annealed Condition (Room Temperature)
Alloy UNS Designation Minimum Tensile Strength
Minimum Yield
Strength
0.2% Offset
Minimum Percent (%)
Elongation in
2 inches (50.8 mm)
(psi) (MPa) (psi) (MPa)
AL-6XN® N08367 100,000 690 45,000 310 30

AL-6XN® is a registered trademark of ATI Properties, Inc. (d/b/a Allegheny Ludlum Corporation).

 

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Not all products are produced by Johnson Tube Company™, a division of Johnson International Industries, Inc., but all products meet or exceed stated specifications.