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Puri Fasteners, a top-notch manufacturer and supplier based in Chennai, is all about high-quality SMO 254 Fasteners. These fasteners are celebrated for their remarkable corrosion resistance and strength, especially in tough environments. Crafted with cutting-edge precision engineering, they deliver reliable performance in industries that demand durability and chemical resilience. Puri Fasteners guarantees that every SMO 254 fastener adheres to strict quality standards, providing consistent and long-lasting solutions for critical applications. With a strong presence in sectors like chemical processing, petrochemical, marine, and pharmaceuticals, Puri Fasteners has built a solid reputation for excellence. Their commitment to quality, timely delivery, and customer satisfaction makes them a go-to choice for high-performance fastening solutions.
SMO 254 Fasteners are crafted from a high-performance austenitic stainless steel alloy, typically featuring 20–22% chromium, 18–20% nickel, 6–7% molybdenum, and 0.2–0.5% nitrogen. This unique blend boosts corrosion resistance, particularly against pitting, crevice, and chloride stress corrosion. These fasteners showcase impressive tensile and yield strength, exceptional toughness, and remarkable resistance to high-temperature oxidation. Their mechanical properties make them perfect for extreme environments where both strength and chemical stability are essential. SMO 254 fasteners maintain their structural integrity even under thermal cycling, mechanical stress, and corrosive conditions.
| 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 % |
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
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
SMO 254 Fasteners find their place in various industries that require robust and corrosion-resistant fastening solutions. In chemical and petrochemical plants, they are commonly used in heat exchangers, reactors, piping systems, and vessels that handle aggressive chemicals. The marine and offshore sectors rely on them for structures exposed to seawater, as well as pumps and valves, thanks to their outstanding chloride resistance. Additionally, the pharmaceutical and food processing industries utilize these fasteners for their reliability and performance in demanding applications.
At Puri Fasteners, our SMO 254 fasteners are carefully packed so that they reach the customers in the best possible condition. Every fastener is protected and packed in durable and moisture proof packets to ensure that they do not get damaged or contaminated. It is easier to identify and handle items that are well labeled. The packaging process ensures that the fasteners are in the best condition and ready for use, which is a testament to the quality of our products and the quality of our services.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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