Rupal Metals is a well-known manufacturer and supplier located in Delhi, India, celebrated for providing top-notch SMO 254 Bars and Rods to a variety of industries. With a keen emphasis on precision engineering and a commitment to international quality standards, the company delivers high-performance SMO 254 products that are built to endure extreme environmental and operational challenges. These bars and rods are recognized for their outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides, making them perfect for demanding applications. Thanks to a solid infrastructure and a skilled team, Rupal Metals consistently supports sectors like marine, chemical, and petrochemical with unparalleled reliability.
The SMO 254 Bars and Rods are crafted with high levels of chromium (20%), molybdenum (6%), and nitrogen (0.2%), along with nickel (18%) and low carbon content, which provides exceptional corrosion resistance. These bars boast impressive mechanical strength, featuring a tensile strength of about 650 MPa, yield strength of 300 MPa, and an elongation of 35%. Their austenitic microstructure enhances both toughness and weldability, making them suitable for harsh environments. Additionally, SMO 254 shows remarkable impact strength at both high and sub-zero temperatures, ensuring structural integrity in critical applications. 0.5%, Nickel between 18 to 20%, Molybdenum between 6.0 to 6.5%, and tiny quantities of Nitrogen, Manganese, and Carbon. This combination results in extreme resistance against pitting, crevice corrosion, and stress corrosion cracking, even in very aggressive environments. Mechanically, SMO 254 provides high strength with a tensile strength of 620 MPa or a yield strength of 450 MPa. It is excellent in elongation and toughness, perfectly suiting these demanding applications within the chemical processing, marine, and petrochemical industries, where high performance is paramount.
Standards : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 1/2″ to 100″
Length : 100 mm to 6000 mm
Specifications : ASTM A276, A279, A479
Form : Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.
Finish : Bright, Polish & Black
| Elements | Carbon | Chromium | Manganese | Molybdenum | Nickel | Nitrogen | Phosphorus | Silicon | Sulphur |
|---|---|---|---|---|---|---|---|---|---|
| SMO 254 UNS S31254 | 0.02 max | 19.5-20.5 | 1.0 max | 6.0-6.5 | 17.5-18.5 | 0.18-0.22 | 0.03 max | 0.8 max | 0.01 max |
| 0.2% Proof Stress (N/mm2 ) [ksi] minimum | 300 [43.5] |
| Tensile Strength (N/mm2) [ksi] minimum | 650 |
| Elongation (%) minimum | 35 |
| Hardness (HBN) | 270 max |
| Reduction of Cross Section Area (%) | 50 |
SMO 254 Bars and Rods are designed with a high content of chromium, nickel, and molybdenum, which provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. This composition makes them highly effective in aggressive environments, such as marine, chemical processing, and petrochemical industries, where high chloride concentrations are present.
Yes, SMO 254 Bars and Rods can be easily welded using standard welding techniques. However, it is important to follow proper procedures and use appropriate filler materials to maintain the material’s superior corrosion resistance and mechanical properties. This makes it suitable for critical applications where welded joints are required.
SMO 254 Bars and Rods are extensively utilized in situations that demand high corrosion resistance, particularly in chloride-rich and acidic settings. Industries such as offshore oil and gas, desalination plants, pulp and paper, and chemical processing depend on these rods for their structural durability and resistance to pitting and crevice corrosion. They are perfect for heat exchangers, process piping, pressure vessels, and marine components, where long-lasting performance and mechanical reliability are crucial. The blend of high strength, weldability, and corrosion resistance makes SMO 254 a go-to material for extreme service conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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