Chuck Metals stands out as a top manufacturer and supplier in Singapore, specifically on Pulau Ujong, where they offer high-quality SMO 254 Bars and Rods that are engineered for exceptional performance in highly corrosive settings. SMO 254 is a super austenitic stainless steel known for its remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, even in warm seawater and environments rich in chlorides. With a commitment to precision and rigorous quality control, Chuck Metals guarantees that these bars and rods provide outstanding strength, weldability, and durability, making them ideal for demanding sectors like marine engineering, chemical processing, offshore platforms, and desalination plants.
The composition of SMO 254 Bars and Rods includes around 20% chromium, 18% nickel, and 6% molybdenum, along with added nitrogen and copper to boost corrosion resistance and mechanical strength. They boast a tensile strength of about 650 MPa, excellent elongation, and impressive impact toughness. These characteristics ensure a long service life, even in extreme conditions, along with superior resistance to oxidation and stress corrosion cracking in aggressive environments.
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 commonly used in industries such as chemical processing, marine, and petrochemical, where materials need to withstand highly corrosive environments. They are used in heat exchangers, pressure vessels, desalination plants, and other critical infrastructure requiring high performance in extreme conditions.
These bars and rods find extensive use in heat exchangers, desalination equipment, chemical processing machinery, pulp and paper production systems, flue-gas cleaning units, and seawater handling equipment. Thanks to their exceptional durability and corrosion resistance, SMO 254 Bars and Rods are the go-to choice for applications where safety, reliability, and low maintenance are essential.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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