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Mira Fasteners, Kuala Lumpur, Malaysia, is a reliable producer and supplier of high-quality stainless steel fasteners, such as **SMO 254 Stud Bolts**. These stud bolts are specifically developed to be used in severely corrosive and demanding applications and are made with precision to guarantee outstanding strength, durability, and pitting and stress corrosion cracking resistance. Mira Fasteners is catering to major industries like offshore oil & gas, chemical processing, desalination, and marine engineering. With emphasis on quality and performance, the organization offers SMO 254 Stud Bolts meeting international standards and ensuring dependable fastening solutions under the most demanding conditions.
The **SMO 254 Stud Bolts** are made from a high-alloy austenitic stainless steel that contains about 20% chromium, 18% nickel, 6% molybdenum, and traces of nitrogen and copper. This alloy possesses exceptional corrosion resistance, especially against chlorides, acids, and seawater. SMO 254 possesses an extremely high Pitting Resistance Equivalent Number (PREN) > 42.5, thereby demonstrating maximum resistance against localized corrosion. The stud bolts ensure high tensile strength (up to 650 MPa), high ductility, and toughness even at very low temperatures, along with resistance to high pressure and elevated temperatures in hostile environments.
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Ce | Fe | |
| SS 254 SMO | min. | – | 17.5 | – | 0.18 | – | – | – | 19.5 | 0.03 | Balance |
| max. | 0.02 | 18.5 | 0.08 | 0.22 | 0.01 | 1.00 | 0.03 | 20.5 | 0.08 | ||
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| SS 254 SMO | 650 | 35 | 300 | 50 | 270 |
Standard ASTM A193, A320 / ASME SA193, SA320
Dimensions DIN / ISO / ASME / ANSI / UNI / BS / BIS / SAE, etc.
Threads UNC, UNF, UNEF, UN, Coarse, Fine & BSW.
Type All Thread, Double End, Single End
Size Metric M1 to M152 & Imperial #0 to 8″ Bolt Diameter
Length Bolts upto 2500mm shank length.
Construction Hot Forged, Cold Forged, Bar Stock Machined
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 stud bolts are widely used in marine applications such as in ships and offshore platforms because of their excellent resistance to corrosion in marine environment. They are used in chemical processing industries because they are able to resist the attack of aggressive chemicals and high temperatures. Furthermore, these stud bolts are used in heat exchangers, pulp and paper industries and other industries where high strength and ability to withstand harsh conditions is required for a long lasting reliable service.
SMO 254 Stud Bolts find extensive applications in areas requiring maximum resistance against corrosion, particularly in chloride-containing and high-temperature environments. They are best suited for seawater-exposed offshore oil rigs, subsea equipment, and marine structures. In petrochemical and chemical industries, they are utilized in heat exchangers, reactors, and storage tanks where aggressive chlorides and acids prevail. Stud bolts find application in desalination plants, flue gas cleaning systems, and pulp and paper processing as well. Their mechanical properties and corrosion resistance make them an effective long-term, critical fastening solution.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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