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AL6XN is a 6 moly super austenitic stainless steel alloy that was developed for and is used in highly aggressive environments. It has high nickel (24%), molybdenum (6.3%), nitrogen and chromium contents that give it excellent resistance to chloride stress corrosion cracking, chloride pitting, and exceptional general corrosion resistance. AL6XN is primarily used for its improved pitting and crevice corrosion resistance in chlorides. It is a formable and weldable stainless steel.
Grade | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Cr | Ni | Mo | Cu≤ | N |
AL6XN | 0.03 | 2.0 | 0.04 | 0.03 | 1.0 | 20.0- 22.0 | 23.5- 25.5 | 6.0- 7.0 | 0.75 | 0.18- 0.25 |
Grade | Tensile,min, ksi[MPa] | Yield,min, ksi[MPa] | Elongation, %(min) | Hardness, HB（max） |
AL6XN | 100【690】 | 45【310】 | 30 | 241 |
Density: 8.1 g/cm3
Stainless steel AL6XN Equivalent Grades
STANDARD | UNS |
AL6XN | N08367 |
Stainless steel AL6XN ASTM Specifications
Pipe | Tube | Tube | Sheet/Plate | Bar | Forging | Fitting |
ASTM A312 | ASTM A213/ ASTM A269 | ASTM A269 | ASTM A240 | ASTM A479/ ASTM A276 | ASTM A182 | ASTM A403 |
Stainless steel AL6XN Applications：
FGD (Flue gas desulfurization) scrubbers
Reverse osmosis desalination
Distillation columns
Heat exchangers
Biopharm tanks and fermenters
Pressure vessels
Agitators and mixers
Seawater coolers in nuclear plants
