Virami Steel Hub is a leading manufacturer, supplier, stockist, and exporter of ASTM A276 SMO 254 Bars in Mumbai, India. We supply these premium alloy bars across India and export worldwide to countries including the USA, Europe, Middle East, Canada, Australia, and Southeast Asia.
SMO 254 is a super austenitic stainless steel alloy with high molybdenum and nitrogen content, designed for exceptional corrosion resistance in aggressive chemical and chloride-rich environments. ASTM A276 SMO 254 bars are widely used in chemical processing, marine applications, petrochemical industries, and high-performance industrial equipment.
ASTM A276 SMO 254 is a high-performance, nickel-chromium-molybdenum austenitic stainless steel engineered to withstand pitting, crevice corrosion, and stress corrosion cracking in chloride-bearing environments.
Key features of ASTM A276 SMO 254 bars:
SMO 254 bars are widely used in chemical reactors, piping systems, pumps, heat exchangers, and offshore applications.
These features make ASTM A276 SMO 254 bars the preferred choice for critical chemical, marine, and high-performance industrial components.
| Element | Composition |
|---|---|
| Chromium (Cr) | 20 – 22% |
| Nickel (Ni) | 18 – 20% |
| Molybdenum (Mo) | 6 – 6.5% |
| Nitrogen (N) | 0.2 – 0.22% |
| Manganese (Mn) | 1% max |
| Silicon (Si) | 1% max |
| Iron (Fe) | Balance |
| Carbon (C) | 0.02% max |
| Copper (Cu) | 1 - 2% |
Role of Alloying Elements
This combination ensures superior corrosion resistance, mechanical strength, and durability in aggressive chemical and marine environments.
ASTM A276 SMO 254 bars offer excellent mechanical properties, ensuring reliability under stress:
These mechanical properties make SMO 254 bars suitable for pressure vessels, industrial machinery, chemical reactors, and offshore applications.
The combination of high strength, corrosion resistance, and thermal stability makes ASTM A276 SMO 254 bars ideal for chemical, marine, and industrial applications.
SMO 254 bars are typically supplied in solution-annealed condition, which ensures optimal corrosion resistance and mechanical performance:
Solution Annealing Process
SMO 254 is moderately machinable due to its high strength and work-hardening tendency:
Proper machining ensures high-performance industrial components.
This makes SMO 254 bars ideal for chemical reactors, marine hardware, and offshore pipelines.
Aluminium Alloy 7075 is weldable but requires caution:
Welding ensures strong, corrosion-resistant joints for industrial and marine applications.
ASTM A276 SMO 254 Bars are supplied in:
Standards:
Size Range:
Surface Finish:
SMO 254 bars are widely used in chemical, marine, offshore, and industrial applications:
Chemical Processing
Marine & Offshore
Industrial Applications
Other Applications
All ASTM A276 SMO 254 bars undergo:
Mill Test Certificates (MTC) are provided per ASTM and ISO standards. Third-party inspection is available upon request.
ASTM A276 SMO 254 Bars are premium super austenitic stainless steel bars offering exceptional corrosion resistance, high mechanical strength, and thermal stability. Ideal for chemical processing, marine, offshore, and high-performance industrial applications, SMO 254 ensures long-term durability, reliability, and superior performance.
Virami Steel Hub supplies certified ASTM A276 SMO 254 Bars with customizable sizes and surface finishes, making them the preferred choice for critical chemical, marine, and industrial engineering applications.
