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The Fasteners Mart, Mumbai, India, is a well-known producer and exporter of high-quality industrial fasteners with a focus on corrosion-resistant alloys. Part of its strong product line is the SMO 254 Stud Bolt, which is designed using Grade SMO 254, an advanced austenitic stainless steel. Double-end, full-threaded, and tap-end stud bolts are produced and offer top performance even in harsh conditions. The high nitrogen and molybdenum content of the material gives superior resistance to pitting, crevice corrosion, and stress corrosion cracking, so these bolts are well suited to aggressive chemical and marine environments.
SMO 254 Stud Bolts consist of around 20% chromium, 18% nickel, 6% molybdenum, and 0.2% nitrogen. This high-alloy combination leads to outstanding corrosion resistance, especially in chloride environments. Mechanically, SMO 254 bolts provide tensile strength of approximately 650 MPa and yield strength of 300 MPa. These are highly ductile and tough even at high temperatures. Physically, the density of SMO 254 is 8 g/cm³ with a melting point of approximately 1350°C, making the bolts highly suitable for high-temperature, high-pressure, and chemically corrosive conditions.
| 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 industries like offshore oil and gas, desalination plants, chemical processing, and marine engineering. The bolts play a key role in the fastening of flanges, pressure vessels, and pipelines that are exposed to corrosive media, such as saltwater and acid chemicals. SMO 254 stud bolts’ resilience and resistance to localized corrosion guarantee long-term dependability in critical installations. For structural assemblies in which safety and longevity are a concern, SMO 254 stud bolts exhibit exceptional performance in adverse environmental stressors.
The Fasteners Mart ensures fast, safe, and globally synchronized delivery of SMO 254 Stud Bolts. Every order is properly packaged in weatherproof, moisture-proof materials like bubble wrap and wooden cases. Special labeling and export-quality packaging guarantee product integrity and traceability when shipping, providing clients with utmost reliability and satisfaction.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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