Andre Stainless, based in Singapore on Pulau Ujong, is a well-respected manufacturer and supplier of top-notch stainless steel products, including the highly durable SMO 254 Fasteners. These fasteners are specifically designed to thrive in extremely harsh environments, expertly crafted to endure high levels of chloride and acidic exposure. With a commitment to precision engineering and rigorous quality control, Andre Stainless ensures that their SMO 254 Fasteners meet international standards. Industries such as offshore, marine, chemical processing, desalination, and pulp and paper count on these fasteners for their exceptional strength, durability, and long-lasting performance, even in the toughest conditions.
Made from a high-alloy austenitic stainless steel, SMO 254 Fasteners boast a chemical composition that includes around 20% chromium, 18% nickel, 6% molybdenum, and added nitrogen to enhance strength and corrosion resistance. This alloy delivers impressive tensile strength ranging from 650 to 900 MPa and a yield strength of about 300 MPa, along with excellent elongation and toughness. SMO 254 is particularly renowned for its remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in environments rich in chlorides. Its outstanding mechanical and corrosion-resistant properties make it the go-to choice for fasteners operating under extreme conditions.
Standard : DIN, ASTM, BS and all International Standards
Size : 3 mm to 200 mm
Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size : M1 – M64 | #4 to 3″ | Custom Sizes
Length : M02 to M33
| Grade | C | Mn | Si | S | Cu | Ni | Cr | N | Mo | P |
| SMO 254 | 0.02 max | 1 max | 0.8 max | 0.01 max | 0.5 – 1 | 17.5 – 18.5 | 19.5 – 20.5 | 0.18 – 0.22 | 6 – 6.5 | 0.03 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SMO 254 | 8.0 g/cm3 | 1320-1390°C | 650 | 300 | 35 % |
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SMO 254 nuts offer exceptional corrosion resistance in highly aggressive environments, including seawater. Available in sizes ranging from M6 to M30 and various dimensions, they ensure secure fastening with high strength and durability.
SMO 254 Stud Bolts provide superior corrosion resistance against chloride-induced stress. They are commonly available in lengths from 50 mm to 300 mm and diameters from M6 to M30, designed for high-pressure and high-temperature applications.
SMO 254 Bolts deliver excellent resistance to pitting and crevice corrosion. Standard sizes range from M6 to M30, with lengths from 20 mm to 200 mm. These bolts are ideal for demanding environments requiring high strength and durability.
SMO 254 threaded rods offer outstanding resistance to corrosion and high temperatures. Typically available in diameters from M6 to M30 and lengths up to 3 meters, they are used for various construction and industrial applications.
SMO 254 screws provide exceptional corrosion resistance and are used in marine and chemical environments. Sizes generally range from M3 to M20, with lengths from 10 mm to 150 mm, suitable for precise fastening needs.
SMO 254 washers ensure high corrosion resistance and are used to distribute load and prevent damage. They are available in sizes from M6 to M30, with thicknesses typically ranging from 1 mm to 5 mm, suitable for various applications.
All our products undergo quality standards tests such as material tests, performances tests, and corrosion resistance tests. They are realized by thorough third-party inspections so as to ascertain their credibility. We also guarantee on-time delivery as we ensure promptness in our operations so that customers will receive orders right on time according to their project schedules and quality standards.
You’ll find SMO 254 Fasteners in applications where standard stainless steels simply can’t keep up due to high corrosion or temperature challenges. These fasteners are commonly utilized in seawater handling systems, heat exchangers, desalination plants, offshore oil platforms, flue gas cleaning, and chemical tankers. Their exceptional resistance to chlorides makes them especially well-suited for saltwater and brine systems. In industrial equipment and piping systems, SMO 254 fasteners provide safe and secure connections that resist corrosion while maintaining mechanical integrity. They’re also essential in high-purity and critical processing systems, where a long service life and minimal maintenance are crucial.
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