AL-6XN® Alloy Stainless Steel
UNS N08367
Description
AL-6XN is a type of weldable stainless steel. AL-6XN alloy has the high nickel and molybdenum contents that gives it good resistance to chloride stress-corrosion cracking. In addition, the molybdenum gives chloride pitting resistance to AL-6XN alloy and the nitrogen content serves to further increase pitting resistance and also gives AL-6XN alloy higher strength than typical 300 series austenitic stainless steels. Thereby, AL-6XN alloy can be used in thinner sections and is suitable for perchloride water solution and chloride corrosion environment.
Chemical Component
| C | Mn | Si | P | S | Ni | Cr | Mo | N | Cu | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.030% max | 2.0% max | 1.00% max | 0.040% max | 0.030% max | 23.5-25.5% | 20.0-22.0% | 6.00-7.00% | 0.18-0.25% | 0.75% max | Balance max |
Basic Information
| Items | AL-6XN® Alloy Stainless Steel |
|---|---|
| Catalog | ACMA-Fe-A044 |
| Density | 0.291 lb/in3, (8.06 g/cm3) |
| Modulus of Elasticity (E) | At 70 °F (20 °C): 28.3 x 103 ksi (195 GPa) |
| Modulus of Rigidity (G) | At 70 °F (20 °C): 10.8 x 103 ksi (74 GPa) |
| Coefficient of Expansion | 7.9 µin/in-°F (70-212 °F); 14.2 µm/m-°C (20-100 °C) |
| Electrical Resistivity | 35.0 µohm-in, (89.0 µohm-cm) |
| Thermal Conductivity | 7.5 Btu-in/ft2-hr-°F, 14.1 W/m-°C |
Material Forms
Alfa Chemistry offers AL-6XN® alloy stainless steel in a variety of forms, including Wire, Bar, Strip, Foil.
Typical Mechanical Properties
- AL-6XN® alloy stainless steel wire & bar
| Properties | Annealed | Spring |
|---|---|---|
| Heat Treatment | 2030-2192 °F (1110-1200 °C) | Stress Relieve 800-900 °F (427-482 °C) |
| Tensile Strength | 100-130 ksi (552-758 MPa) | 190 ksi min (1034 MPa) |
| Suggested Operating Conditions | -32 0°F to 800 °F (-196 °C to 427 °C) | Up to 800 °F (427 °C) |
- AL-6XN® alloy stainless steel strip & foil
| Properties | Annealed |
|---|---|
| Heat Treatment | 2030-2192 °F (1110-1200 °C) |
| Tensile Strength | 100-130 ksi (690-900 MPa) |
| Suggested Operating Conditions | -320 °F to 800 °F (-196 °C to 427 °C) |
Specifications
Applications
- Industries: Chemical processing, oil & gas, nuclear power generation, food processing
- Specifically: Mixing tanks, heat exchangers, extraction/distillation columns, pipes, pumps, food processing equipment, caustic chloride systems, springs
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
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