Sabra Metals, located in Amman, Jordan, is a trusted manufacturer and supplier of metals. With knowledge and reliability, they serve various industries. They manufacture alloy and stainless-steel products-SMO 254 Hex Bar and Rod will be included in their materials list. Austenitic stainless steel-based SMO 254 has excellent corrosion resistance and is known for its applications in the chemical process, marine, and offshore industries. It has proven to be very effective under extremely harsh conditions, with resistance to crevice cracking and pitting corrosion.
SMO 254 hex bars and rods are made with super-austenitic stainless steel of great performance, which gives them excellent corrosion resistance. The contents of SmO 254 include 20-22% chromium, 18-20% nickel, 6-7% molybdenum, 0.18% nitrogen, and 1.5% copper with traces of manganese, silicon, and carbon. Because of the rare alloy, it poses higher strength with resistance to pitting, crevice, and stress corrosion. Other mechanical properties include tensile strength—about 650 MPa, yield strength—around 300 MPa, and an elongation of 40%. It can be used in applications where serious environments are involved.
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 Bar and Rod are highly used in applications where industries demand very high corrosion resistance and high strength in hostile environments. Chemical processing, offshore, and marine industries are such where the resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking of this alloy is quite important. SMO 254 is highly recommended for equipment that has to be manufactured and exposed to aggressive chemicals, seawater, and high temperatures. It includes heat exchangers, pressure vessels, piping systems, and storage tanks. Its excellent mechanical properties also make it suitable for food processing, desalination plants, and other critical sectors demanding durability, reliability, and long-lasting performance.






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Sabra Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Amman, Jordan
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