Al Summan Metals, based in Dubai, UAE, is a reliable manufacturer and supplier of metals. Backed by expertise and dependability, they cater to a range of industries. They produce alloy and stainless-steel products-SMO 254 Hex Bar and Rod will be featured in their materials list. SMO 254, an austenitic stainless steel, offers outstanding corrosion resistance and is recognized for its use in the chemical process, marine, and offshore sectors. It has shown itself to be highly effective in extremely severe conditions, resisting crevice cracking and pitting corrosion.
SMO 254 hex bars and rods are constructed from high-performance super-austenitic stainless steel, delivering outstanding corrosion resistance. SmO 254 is composed of 20-22% chromium, 18-20% nickel, 6-7% molybdenum, 0.18% nitrogen, and 1.5% copper, along with small amounts of manganese, silicon, and carbon. Thanks to this uncommon alloy, it offers greater strength and resists pitting, crevice, and stress corrosion. Additional mechanical characteristics include a tensile strength of roughly 650 MPa, a yield strength near 300 MPa, and 40% elongation. It is suitable for use in applications that involve harsh environments.
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 :Hexagonal, Square, Hex (A/F) Bush, Rectangular, Flat
Finish :Bright, Black, Polished
| 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 are weldable. The process demands careful welding methods, the use of suitable filler materials, and proper heat control to maintain its corrosion resistance and strength.
SMO 254 Hex Bar and Rod ought to be kept in a clean, dry space, shielded from moisture, chemicals, and extreme temperatures. Employ suitable supports to avoid deformation and corrosion.
Yes, SMO 254 Hex Bar and Rod are recyclable. Being a premium stainless steel, it keeps its characteristics even after recycling, which makes it an eco-conscious choice for reuse in manufacturing.
SMO 254 Hex Bar and Rod see heavy use in applications where industries require exceptionally high corrosion resistance along with high strength in harsh environments. Chemical processing, offshore, and marine industries are among those where this alloy’s resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking matters greatly. SMO 254 is strongly advised for equipment that must be built and subjected to aggressive chemicals, seawater, and elevated temperatures. This covers heat exchangers, pressure vessels, piping systems, and storage tanks. Its outstanding mechanical properties also render it fit for food processing, desalination plants, and other vital sectors that call for durability, reliability, and long-lasting performance.






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Al Summan Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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