When a Middle East desalination plant faced $1.8M in pump gasket failures from pitting corrosion in hot brine, switching to AL-6XN UNS N08367 ASTM B688 foil extended service life 500% while resisting conditions that destroyed 904L alternatives.
Table of Contents:
Meanwhile, aerospace OEMs battling bellows fatigue in cryogenic valves found AM 350 UNS S35000 ASTM A693 foil delivered 40% higher cycle life. Procurement leaders in chemical, oil & gas, marine, pharma, and power discovered the perfect corrosion-strength duo.
AL-6XN (UNS N08367), a 6-Moly super-austenitic per ASTM B688, offers PREN 43+ pitting resistance superior to 904L for seawater pumps and pharma reactors. AM 350 (UNS S35000), precipitation hardening per ASTM A693, combines martensitic strength (up to about 1400 MPa in the SCT condition) with austenitic corrosion resistance for aerospace bellows and industrial diaphragms. Thin foils 0.05-0.2mm enable precision fabrication where failure costs millions.
Aurico Alloys LLP is the trusted AL-6XN (UNS N08367 ASTM B688) and AM 350 (UNS S35000 ASTM A693) foil supplier, stockist in India to abroad, providing affordable, authentic NACE MR0175 compliant materials for hardware stores serving demanding industries. Custom slit AL-6XN and AM 350 foil coils support specialized engineering with MTC EN 10204 3.1 certification.
AL-6XN vs 904L foil comparison reveals 25% better pitting resistance in hot brine; AM 350 foil outperforms 17-4PH in cryogenic fatigue. For chemical reactor liners, AL-6XN foil beats Alloy 20; for high-pressure seals, AM 350 foil replaces Inconel at 60% cost. Leading exporter of aerospace grade AM 350 foil from India serves global markets requiring verified performance.
Specification Overview
| Supplier | Aurico Alloys LLP - AL-6XN & AM 350 foil supplier Mumbai |
|---|---|
| Grades | UNS N08367 (AL-6XN), S35000 (AM 350) |
| Standards | ASTM B688 (AL-6XN), A693 (AM 350); NACE MR0175 |
| Thickness | 0.05mm – 0.2mm |
| Width | Custom slit 10-1000mm |
| Finish | Annealed (AL-6XN), Age-hardened (AM 350) |
| Delivery | MTC EN 10204 3.1, export packed |
Equivalent Grades & Standards
| Grade | UNS | Werkstoff | ASTM | Condition |
|---|---|---|---|---|
| AL-6XN | N08367 | — | B688 | Solution Annealed |
| AM 350 | S35000 | — | A693 | SCT / DA Precip. Hard. |
Stock & Product Availability
UNS N08367 foil stockist maintains AL-6XN inventory for desalination gaskets; AM 350 foil manufacturer in Mumbai stocks UNS S35000 for aerospace bellows. High-strength UNS S35000 foil supplier offers 0.05mm to 0.2mm thickness for cryogenic valves with full PMI/MTC certification.
Chemical Composition
| Element | AL-6XN Max (%) | AM 350 Max (%) |
|---|---|---|
| Ni | 23-25 | 4.0-5.0 |
| Cr | 20-22 | 16.25-17.25 |
| Mo | 6-7 | 4.0-4.5 |
| N | 0.18-0.25 | - |
| Fe | Bal | Bal |
| C | 0.03 | 0.10 |
Mechanical Properties
| Property | AL-6XN | AM 350 (SCT) |
|---|---|---|
| Tensile (MPa) | 690 | 1310-1450 |
| Yield (MPa) | 310 | 1035 min |
| Elong (%) | 30 min | 10 min |
| Hardness | RC 28 max | HRC 40-44 |
| PREN | >43 | - |
Applications & Benefits
- AL-6XN: Pharmaceutical process equipment, desalination pump gaskets (UNS N08367), seawater instrumentation, pulp bleaching
- AM 350: Aerospace bellows/expansion joints, aircraft engine ducting (ASTM A693), high-pressure diaphragm seals
- Both: Sour gas service (NACE MR0175), chemical reactor liners, precision springs
- Specialized: Custom slit foil coils for engineering fabrication, cryogenic aerospace valves
FAQ & Search Trends
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
AL-6XN UNS N08367 and AM 350 UNS S35000 foils from Aurico Alloys LLP deliver unmatched corrosion-strength performance for chemical reactors, desalination plants, offshore platforms, pharma equipment, and aerospace components. Contact our verified stockist for ASTM B688/A693 certified thin foils with full traceability.
Ready to upgrade your critical components with AL-6XN and AM 350 foil technology?