Starc Metals, located in Canberra, Australia, has built a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel products, including SMO 254 Hex Bars and Rods. These products are celebrated for their remarkable resistance to corrosion, impressive strength, and long-lasting durability, making them perfect for tough industrial settings. At Starc Metals, cutting-edge manufacturing techniques and rigorous quality control are employed to guarantee precision, dependability, and an extended service life. They cater to various industries, such as chemical processing, marine, desalination, and oil & gas, providing high-performance solutions for applications that face extreme conditions.
The SMO 254 Hex Bars and Rods are crafted from a high-alloy austenitic stainless steel that features around 20% chromium, 18% nickel, 6% molybdenum, and a touch of nitrogen. This distinctive blend gives them exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, SMO 254 boasts excellent tensile and yield strength, outstanding toughness, and good weldability. The combination of its high alloy content and nitrogen reinforcement ensures remarkable durability and performance, especially in chloride-rich and high-temperature environments.
Standards : ASTM A276, A279, A479
Grade : SMO 254, UNS No. S31254
Diameter : 5mm~ 500 mm
Size : 1/2″ to 100″
Length : 100 mm to 6000 mm
Form : Hex, Square, Hex (A/F) Bush, Rectangle, Flat
Finish : Bright, Black, Polish
| Standard | SMO 254 |
| UNS | S31254 |
| WERKSTOFF NR. | 1.4547 |
| AFNOR | Z1 CNDU 20.18.06Az |
| SIS | 2378 |
| GOST | – |
| BS | – 254 |
| OR | – |
| EN | X1CrNiMoCuN20-18-7 |
| Diameter, mm | Tolerances, mm |
| 20-35 | -0/+0.15 |
| 40-45 | -0/+0.16 |
| 50-70 | -0/+0.19 |
| 75-95 | -0/+1.00 |
| 100-250 | -0/+1.50 |
Yes, SMO 254 Hex Bar and Rod can be welded. It requires careful welding techniques, using appropriate filler materials and maintaining proper heat control to preserve its corrosion resistance and strength.
SMO 254 Hex Bar and Rod should be stored in a dry, clean environment, protected from moisture, chemicals, and extreme temperatures. Use proper supports to prevent deformation and corrosion.
Yes, SMO 254 Hex Bar and Rod can be recycled. As a high-grade stainless steel, it retains its properties after recycling, making it an environmentally friendly option for reuse in manufacturing.
These SMO 254 Hex Bars and Rods find their place in industries that require superior corrosion resistance and strength. You’ll often see them in applications like chemical process equipment, marine shafts, heat exchangers, pressure vessels, and components for desalination plants. They’re particularly well-suited for the oil & gas, petrochemical, and offshore sectors, where exposure to chlorides and acidic conditions is a regular occurrence. Additionally, you can find SMO 254 Hex Bars and Rods in pulp and paper processing and wastewater treatment facilities. Their exceptional mechanical properties and corrosion resistance make them a dependable choice for long-lasting, high-performance industrial applications.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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