About Alloy
AL-6XN (UNS N08367) is a 6% molybdenum (6 Moly), low carbon, nitrogen-bearing super-austenitic stainless alloy. The alloy was originally designed for seawater applications. AL-6XN has also been successfully used in a broad range of very corrosive environments including the rapidly developing biopharm markets.
The high strength and corrosion resistance of the AL-6XN alloy make it a better choice than the conventional duplex stainless steels and a cost effective alternative to more expensive nickel-base alloys where excellent formability, weldability, strength and corrosion resistance are essential.
Product Form & Standard
Sheet/Plate/Strip
Bar/Rod/Forgings
Tube/Pipe
Fittings
Chemical Composition
| C | Mn | Si | Cr | Ni | Mo | P | S | Cu | N |
| 0.03 max | 2.0 max | 1.0 max | 20.0- 22.0 | 23.5- 25.5 | 6.0- 7.0 | 0.04 max | 0.03 max | 0.75 max | 0.18- 0.25 |
Mechanical Properties
| Tensile Strength | Yield Strength | Elongation | Hardness |
| 770 MPa | 393 MPa | 44% | 88 HRB |
Application
FGD scrubbers
Reverse osmosis desalination
Distillation columns
Heat exchangers
Biopharm tanks and fermenters
Pressure vessels
Manways
Agitators and mixers
Seawater coolers in nuclear plants
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