Anucha Metals stands out as a reliable manufacturer and supplier of SMO 254 Hex Bars and Rods right in the heart of Bangkok, Thailand. We take pride in offering top-notch stainless steel products that are specifically crafted for exceptional performance in highly corrosive settings. Our SMO 254 hex bars and rods are well-known for their remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in environments rich in chlorides. With impressive strength, solid toughness, and outstanding weldability, these products are made to meet international standards, guaranteeing accuracy, durability, and reliability. Anucha Metals serves a variety of industries, including marine, chemical processing, desalination, offshore, and pulp and paper, providing high-quality SMO 254 solutions.
The SMO 254 Hex Bars and Rods are made from an austenitic stainless steel alloy that boasts high levels of chromium, molybdenum, and nitrogen, giving them exceptional corrosion resistance. This alloy not only offers excellent tensile and yield strength but also superior impact toughness and strong resistance to stress corrosion cracking. Its well-balanced composition makes it a fantastic alternative to pricier nickel alloys and titanium, all while ensuring durability and stability in harsh environments. Plus, these bars and rods are easy to weld and form, making them versatile for a range of applications.
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.
You’ll find SMO 254 Hex Bars and Rods widely used in industries that require top-tier corrosion resistance and strength. They’re often found in marine settings for shafts, fasteners, and structural components that come into contact with seawater. In the chemical and petrochemical sectors, they’re utilized for heat exchangers, process equipment, and piping systems that handle chlorides and acidic solutions. Desalination plants rely on them for evaporators and brine heaters, while the pulp and paper industry uses them in bleaching equipment. With their blend of corrosion resistance, toughness, and cost-effectiveness, SMO 254 hex bars and rods are a dependable choice for demanding 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.
Anucha Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Bangkok, Thailand
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