Located in the bustling industrial heart of Manama, Bahrain, Junaid Metals has built a reputation for reliability and expertise in supplying high-performance materials. We are proud to be your trusted source for the exceptionally durable SMO 254 Hex Bar and Rod. This super austenitic stainless steel is engineered to withstand the most demanding environments, offering superior resistance where standard grades fall short. Our commitment is to provide not just a product, but a robust solution that ensures longevity and reliability for your most critical projects.
The strength of SMO 254 lies in its sophisticated composition, which includes high levels of chromium, nickel, molybdenum, and nitrogen. This unique blend grants it outstanding mechanical properties, such as impressive tensile strength and excellent yield strength. It maintains remarkable toughness and ductility, even in challenging conditions. Perhaps most importantly, this combination delivers phenomenal resistance to pitting and crevice corrosion, making it a reliably sturdy choice for components that face constant stress and corrosive attacks.
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.
This unique combination of strength and corrosion resistance makes SMO 254 indispensable across several demanding industries. It is ideally suited for critical components in marine environments, chemical processing plants, and pollution control systems like flue gas desulfurization units. You will find it used in everything from pumps and valves to shafts and fasteners, especially where exposure to chlorides and acidic media is a constant challenge. Essentially, it’s the material of choice for applications where failure is not an option.






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