Semih Metals is a reliable Turkish manufacturer and supplier of high-performance SMO 254 hex bar and hex rod. Renowned for technical know-how and quality commitment, the company supplies anti-corrosion products that can stand up to the toughest industrial conditions. SMO 254 is an austenitic high-alloy stainless steel suited for uses that demand extraordinary strength and corrosion resistance from chlorides. Semih Metals guarantees its SMO 254 hex bars and rods to international standards, providing global customers in industries including chemical processing, marine engineering, and offshore with precision-engineered solutions.
SMO 254 hex bars and rods are made up of around 20% chromium, 18% nickel, 6% molybdenum, and minute percentages of nitrogen and copper, rendering the alloy extremely resistant to pitting, crevice corrosion, and stress corrosion cracking. This stainless steel with high alloy has a minimum yield strength of approximately 300 MPa and tensile strength up to 650 MPa, together with good ductility and toughness. Its structural stability is improved by the addition of nitrogen, and corrosion resistance is significantly enhanced by high molybdenum and chromium levels. SMO 254 is frequently utilized instead of conventional stainless steels in cases where high chloride environments require increased durability and performance.
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.
SMO 254 hex bars and rods are found to be popular in industries operating under highly corrosive environments. In chemical processing, the SMO 254 is deployed for heat exchangers, process piping, and vessels dealing with aggressive media. In marine and offshore usage, SMO 254 parts are resistant to corrosion from saltwater, ensuring suitability for shafts, pump components, and structural parts. The paper and pulp industry depends on this alloy for bleaching equipment, whereas in desalination facilities, it operates well at high concentrations of chlorides. SMO 254 is also utilized in food processing and in pollution control systems that require long-lasting performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
Copyright 2024 Semih Metals. All rights reserved
