AL-6XN Stainless Steel Wire UNS N08367

AL-6XN®¹ is low carbon, nitrogen bearing super austenitic stainless steel.

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Shaped, Flat, Square, Round, Fine Wire, Plated and Bare Wire ASTM A182, ASTM A240, ASTM A249, ASTM A312, ASTM A479, ASTM B366, ASTM B462, ASTM B472, ASTM B564, ASTM B675, ASTM B676, ASTM B688, ASTM B691, ASTM B804

AL-6XN®¹ Alloy Description

AL-6XN®¹ is low carbon, nitrogen bearing super austenitic stainless steel. The alloy was designed to be a seawater
resistant material and has been found to be resistant to a broad range of corrosive environments. Due to the alloy’s corrosion resistance and high strength, AL-6XN®¹ is a better choice than conventional duplex stainless alloy and more cost effective nickel-base alloys.


Screens for pulp and paper processing Seals and other components for chemical processing, oil and gas processing Food processing

Chemistry Typical

Carbon: 0.03 max
Manganese: 2.00 max
Silicon: 1.00 max
Chromium: 20.00- 22.00
Nickel: 23.50- 25.50
Molybdenum: 6.00-7.00
Phosphorus: 0.04 max
Sulfur: 0.03 max
Copper: 0.75 max
Nitrogen: 0.18-0.25
Iron: Balance

Physical Properties

Density: 0.291lb/in³, 8.06 g/cm³

Electrical Resistivity: ohm-cir-mil/ft (µohms-cm):
535 (89.0)

Specific Heat: BTU/lb-°F (J/kg-K)
70°F (21°C): 0.113 (474)
212°F (100°C): 0.118 (492)
392°F (200°C): 0.123(514)
572°F (300°C): 0.128 (536)
752°F (400°C): 0.133 (557)
932°F (500°C): 0.138 (578)
1112°F (600°C): 0.146 (610)
1292°F (700°C): 0.149(622)
1472°F (800°C): 0.151(633)
1652°F (900°C): 0.153(642)
1832°F (1000°C): 0.156(651)
2012°F (1100°C): 0.158 (660)
2192°F (1200°C): 0.160(668)
2372°F (1300°C): 0.162(676)

Thermal Conductivity: BTU-in/hr-ft-°F (W/m•K)
200°F (93°C): 7.50 (12.98)
400°F (204°C): 8.76 (15.16)
600°F (316°C): 10.03 (17.36)
800°F (427°C): 11.23 (19.43)
1000°F (538°C): 12.55 (21.72)
1200°F (649°C): 13.91 (24.07)
1400°F (760°C): 14.76 (25.55)
1600°F (871°C): 15.64 (27.07)
1800°F (982°C): 16.32 (28.25)
2000°F (1093°C): 17.26 (29.87)
2200°F (1204°C): 17.52 (30.32)
2400°F (1316°C): 18.10 (18.63)

Mean Coefficient of Thermal Expansion:µin/in-°F(µm/m-°C)
70-200°F (21-93 °C): 7.84 (14.11)
70-400°F (21-204 °C): 8.36 (15.05)
70-600°F (21-316 °C): 8.59 (15.46)
70-800°F (21-427°C): 8.75 (15.75)
70-1000°F (21-538°C: 8.96 (16.13)
70-1200°F (21-649°C): 9.24 (16.63)
70-1400°F (21-760°C): 9.45 (17.01)
70-1600°F (21-871°C): 9.61 (17.30)
70-1800°F (21-982°C): 9.77 (17.59)
70-2000°F (21-1093°C): 9.93 (17.87)
70-2200°F (21-1204°C): 10.12 (18.22)
70-2400°F (21-1316°C): 10.35 (18.63)

Modulus of Elasticity: KSI (MPa)
28.3 x 10³ (195 x 10³) in tension

Magnetic Permeability: H= 200 Oersteds

Annealed: 1.0028

65% cold work: 1.0028
Melting Range: 2410-2550°F (1320-1400°C):

Mechanical Properties at Room Temperature

Properties: Annealed Typical

Ultimate Tensile Strength: 112 KSI (770 MPa)
Yield Strength: 57 KSI (393 MPa)
Elongation: 44%
Hardness: Rb 88

Properties: Tempered

AL-6XN®can be cold worked to various tempers. Contact Ulbrich Technical Service for
additional information

Additional Properties

Corrosion Resistance

Refer to NACE (National Association of Corrosion Engineers) for recommendations

Standard Wire Finishes

Extra Clean: Extra clean is also referred to as “bright annealed” or “bright annealed and cold rolled”
Grease (round wire only): Drawn in a heavy grease produces an “Ultra bright” finish for
decorative applications
Soap (round wire only): Soap is used as a lubricant in the drawing process andis not
removed. It acts as a lubricant during customer part forming operation. A soap finish is
available in tempered products.
Plated: Many plating options are available.
• Special finishes are available: Contact Ulbrich Wire Sales with special finish and plating requests.


Continuous Coils
Cut to lengths
Precision cutting

Heat Treatment

AL-6XN®¹ is non hardenable by heat treatment


For best results refer to: SSINA’s “Welding of Stainless Steels and Other Joining

AL-6XN® is a registered trademark of the Allegheny Ludlum Corporation
Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels and Special Metals, Inc., be liable for any damages arising from the use of the information included in this document or that it is suitable for the ‘applications’ noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document

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