Varun Sheets and Plates is a prominent manufacturer and distributor of corrosion-resistant stainless steel items in Dubai, UAE, providing high-quality SMO 254 Hex Bars and Rods. These hex bars are engineered specifically for use in highly aggressive and chloride-environmental conditions. SMO 254 items from Varun are renowned for excellent strength and excellent pitting and crevice-corrosion resistance. These are precision-made to the highest international quality standards. Providing services to sectors like marine, chemical processing, offshore oil and gas, and desalination, the organization is known for reliable delivery, technical knowledge, and customer-focused service throughout the UAE and Middle East.
SMO 254 Hex Bar/Rod is a super-austenitic stainless steel alloy with a composition of around 20% chromium, 18% nickel, 6% molybdenum, and nitrogen additions, with a very high PREN (Pitting Resistance Equivalent Number) of more than 42. This translates to excellent resistance to chloride attack and high mechanical strength, with a tensile strength of about 650 MPa. The product—SMO 254 Hex Bar/Rod—has a six-sided profile that is suitable for machining and fastening conditions. It is supplied in multiple sizes and finishes and provides strength and corrosion resistance in severe working 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 |
SMO 254 Hex Bars and Rods are utilized in applications where excellent corrosion resistance and mechanical properties are necessary. The common applications are seawater handling parts, offshore oil and gas platforms, chemical processing facilities, and desalination plants. Their hexagonal crystal structure makes them suitable for producing high-strength fasteners, valve components, and precision-machined fittings. SMO 254 excels in environments involving chlorides, acids, and brines, and it is thus a material of choice for long-term corrosion resistance and durability in some of the most rigorous industrial environments.






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