Louis Metals stands out as a top-notch manufacturer and supplier of SMO 254 Hex Bars and Rods, right out of Houston, USA. We take pride in providing high-quality stainless steel products that are built to withstand extreme conditions, offering exceptional corrosion resistance and strength. Our SMO 254 hex bars and rods are renowned for their impressive ability to resist pitting, crevice corrosion, and chloride stress corrosion cracking. At Louis Metals, we have a diverse selection of sizes and custom machining services tailored to meet the specific needs of various industries, including marine, chemical processing, oil and gas, and desalination plants throughout the United States.
The composition of SMO 254 Hex Bars and Rods includes about 20% chromium, 18% nickel, 6% molybdenum, along with trace amounts of nitrogen and copper, with iron as the base element. This high-alloy austenitic stainless steel is known for its outstanding corrosion resistance and mechanical strength. It boasts a tensile strength of around 650 MPa and a yield strength of about 300 MPa, along with impressive ductility and impact toughness. The inclusion of molybdenum and nitrogen significantly boosts its resistance to chloride-induced corrosion. SMO 254 is particularly well-suited for harsh environments, ensuring reliability and durability even under high stress and corrosive conditions.
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 commonly used in demanding applications where corrosion and stress are a concern, thanks to their superior strength and resistance to chloride environments. In the marine sector, they’re utilized in seawater cooling systems, offshore platforms, and boat fittings. In the realm of chemical processing, they serve in heat exchangers, reactors, and pressure vessels that come into contact with acidic and chlorinated substances. Desalination plants depend on SMO 254 for tubing and structural components. This alloy also finds its way into pulp and paper production, food processing equipment, and flue gas cleaning systems, where durability and corrosion resistance are absolutely essential.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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