In industries where material failure can lead to catastrophic downtime or safety risks, selecting the right round bar material is paramount. Picture an offshore refinery battling harsh acidic environments and fluctuating temperatures - the traditional steels fail quicker than maintenance crews can respond. Enter AM 350 Round Bars, a precipitation-hardening stainless steel combining exceptional strength and superior corrosion resistance, designed to meet the demanding standards of chemical, oil & gas, marine, pharmaceutical, and power generation sectors. This is not just another alloy; it’s the solution that transforms equipment reliability and lifecycle economics.
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AM 350, identified by UNS S35000 and governed by AMS 5745, bridges the gap between conventional martensitic steels and high-end corrosion-resistant grades. Its unique chemistry rich in chromium, nickel, molybdenum, and strengthened through precipitation hardening endows it with remarkable mechanical toughness, heat treatability, and resilience even against sour gas, phosphoric acid, and seawater assaults. Procurement heads, engineers, OEM manufacturers, and hardware distributors find in AM 350 a dependable material that balances cost, performance, and certification.
Available through trusted suppliers such as Aurico Alloys LLP, AM 350 Round Bars come with complete traceability, certification, and ready stock to fulfill urgent material needs. Precision machining and forming are standard, easing fabrication complexities while maintaining structural integrity under severe service conditions. Whether it is manufacturing high-strength compressor components, robust marine fittings, or critical pharma-grade reactors, AM 350 stands out.
This article delves into the detailed specifications, equivalent grades, chemical and mechanical properties, typical applications, and benefits of AM 350 Round Bars, providing an essential guide for stakeholders aiming to optimize material choices in aggressive industrial environments.
High-quality AM 350 Round Bars ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grade | AM 350 (UNS S35000) |
| Standards | AMS 5745, AMS 5917 (precipitation hardened) |
| Diameter Range | 1mm – 3000mm (varies per supplier) |
| Length | Cut to customer specification |
| Finish | Bright, hot-rolled, forged, machined |
| Delivery | Stocked with full MTC, export ready packaging |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | S35000 |
| Werkstoff / EN number | — |
| EN designation | — |
| Density | 7.94 g/cm3 |
| Melting range | 1370-1400 °C |
Identifiers and physical constants for AM 350. A dash means no such designation is published for this grade.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Iron (Fe) | — | Balance |
| Carbon (C) | 0.07 | 0.11 |
| Chromium (Cr) | 16.0 | 17.0 |
| Nickel (Ni) | 4.0 | 5.0 |
| Molybdenum (Mo) | 2.5 | 3.25 |
| Nitrogen (N) | 0.07 | 0.13 |
| Manganese (Mn) | 0.5 | 1.25 |
| Silicon (Si) | — | 0.5 |
| Phosphorus (P) | — | 0.04 |
| Sulfur (S) | — | 0.03 |
Composition limits for AM 350. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical & Physical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength (MPa) | 1100 - 1400 (after heat treatment) |
| Yield Strength (MPa) | 900 - 1100 |
| Elongation (%) | 10 - 20 |
| Hardness (HB) | 300 - 400 |
| Max. Service Temperature (°C) | Up to 600 (varies with application) |
Applications & Benefits
- Chemical Industry: Ideal for compressor components, reactors, and valves used in aggressive chemical processes due to excellent corrosion resistance and high strength.
- Oil & Gas: Downhole equipment, flanges, and fittings benefitting from its sour gas resistance plus high temperature strength.
- Marine: Components exposed to seawater including shafts, fasteners, and pump parts with superior protection against chloride stress corrosion cracking.
- Pharmaceutical: Precision-machined parts requiring hygienic and corrosion-resistant materials in sterilization and pharmaceutical reactors.
- Power Generation: Turbine blades, shafts, and heat exchangers needing high-performance alloys with thermal stability and resistance to oxidation.
- Hardware & Industrial Supply Stores: Reliable stock for urgent replacement parts and OEM manufacturing with full certification and traceability.
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 Across India
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
For industries where material performance directly impacts safety, reliability, and maintenance costs, AM 350 Round Bars offer a robust, high-strength, and corrosion-resistant solution. Backed by stringent ASTM, UNS, and international certifications, and supplied by trusted distributors like Aurico Alloys LLP, these bars empower engineers, procurement teams, and fabricators to meet exacting industrial demands with confidence. Why settle for less when your critical assets deserve the resilience and proven performance of AM 350 Round Bars?