Aiman Metals, a Kuala Lumpur, Malaysia-based company, specializes in the manufacturing and supplying of high-quality SMO 254 Bars and Rods. Engineered for superior performance in the most aggressive conditions, these products provide superior resistance to pitting, crevice corrosion, and stress corrosion cracking. They are a go-to selection for chemical process industries, marine, desalination, and petroleum refineries where strength and corrosion resistance are paramount. Manufactured with rigorous quality controls, our SMO 254 Bars and Rods offer optimal durability along with exacting engineering. At Aiman Metals, we are dedicated to providing efficient, high-performance materials designed to satisfy the stringent requirements of contemporary industry.
Our SMO 254 Bars and Rods consist of 19.5–20.5% chromium, 18–20% nickel, 6.0–6.5% molybdenum, with minor additions of nitrogen, manganese, and carbon, with the remainder iron. This optimal composition provides outstanding resistance to chloride pitting and crevice corrosion, even in highly aggressive conditions. Mechanically, SMO 254 has a tensile strength of around 620 MPa, a yield strength of 450 MPa, and high elongation and toughness. These properties render it perfectly suited for harsh industrial applications where corrosion protection and structural integrity are both essential, providing predictable and long-term operation in critical service.
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 used in industries that need better corrosion resistance and mechanical strength. They are utilized in reactors, pressure vessels, and piping systems in chemical processing where they are exposed to aggressive chemicals. They perform excellently in heat exchangers, seawater piping, and structural elements exposed to high chloride in the marine and desalination plants. Petrochemicals utilize them in mission-critical infrastructure where reliability cannot be compromised. Their corrosion resistance against local corrosion guarantees long service life even in hostile environments. The bars and rods also find usage in pulp and paper mills, food processing, and offshore platforms, providing unparalleled durability and safety.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aiman Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kuala lumpur, Malaysia
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