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Jai Hind Metal is a trusted manufacturer and supplier of SMO 254 Fasteners, providing high-performance stainless steel fastening solutions for applications that demand excellent corrosion resistance, mechanical reliability, and long-term service in aggressive environments. We understand that every project can have different fastening requirements, including fastener type, size, diameter, thread configuration, length, head style, dimensional tolerances, surface finish, and applicable manufacturing standards. Our SMO 254 Fasteners are produced and supplied according to customer requirements, with close attention to material quality, dimensional accuracy, thread precision, surface condition, and overall workmanship throughout the manufacturing process.
We maintain a systematic quality-control approach at different stages of production to help ensure consistent product performance. Finished SMO 254 Fasteners are checked for dimensions, threading, surface appearance, straightness where applicable, and overall finish before packing and dispatch. Material and product documentation can also be provided according to project requirements, while third-party inspection may be arranged when independent verification is required. With organized stock and suitable storage arrangements, we are able to support both standard requirements and bulk quantities for industrial projects, maintenance applications, and regular procurement needs.
Precisely manufactured metal products meeting demanding industrial standards.
Consistent quality, reliable performance, and strict inspection at every stage.
Available in customized sizes, grades, thicknesses, and specifications.
Efficient processing, secure packaging, and dependable delivery worldwide.
SMO 254 Fasteners can be manufactured in different types, sizes, diameters, thread configurations, lengths, head styles, dimensional tolerances, surface finishes, and manufacturing standards to meet specific installation and engineering requirements. Their combination of high corrosion resistance, good mechanical strength, excellent resistance to pitting and crevice corrosion, toughness, durability, and reliable performance in harsh environments makes SMO 254 Fasteners suitable for a wide range of demanding applications. They are commonly used in chemical processing equipment, petrochemical plants, oil and gas facilities, offshore and marine structures, seawater handling systems, desalination plants, pulp and paper equipment, pollution-control systems, power generation, pharmaceutical processing, food-processing equipment, and other industrial installations where dependable fastening performance is required under corrosive and challenging operating conditions.
In the solution-annealed condition, SMO 254 Fasteners provide an excellent combination of high corrosion resistance, mechanical strength, toughness, durability, and resistance to localized corrosion, making them well suited for demanding industrial and engineering environments. They are particularly effective in applications exposed to seawater, chlorides, brine, acidic solutions, moisture, and other aggressive media where reliable fastening performance is essential. The alloy’s high chromium content supports resistance to general corrosion, while its elevated molybdenum and nitrogen levels improve protection against pitting, crevice corrosion, and chloride-induced attack. Nickel contributes to good toughness and structural stability, helping SMO 254 Fasteners perform reliably under demanding service conditions.
SMO 254 Fasteners are available in different types, sizes, thread profiles, lengths, head configurations, dimensional tolerances, and surface finishes to meet specific installation and fabrication requirements. Their combination of excellent corrosion resistance, good mechanical properties, resistance to chloride environments, toughness, durability, and long service life makes them suitable for a variety of critical applications. These fasteners are commonly used in chemical processing plants, oil and gas facilities, offshore and marine structures, seawater and desalination systems, pulp and paper equipment, petrochemical plants, pollution-control systems, power generation facilities, pharmaceutical equipment, and other corrosive-service industries. They are suitable for securing flanges, pipelines, pressure vessels, pumps, valves, heat-exchanger components, structural assemblies, marine equipment, and other industrial components where dependable fastening performance is required in harsh operating environments.
| 254 Fasteners Specifications | ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
|---|---|
| 254 6 Moly Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| 6 Moly 254 Fasteners Length | 3 mm to 200 mm |
| 6 Moly 254 Studs, Bolts, Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Standard of SMO 254 Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard 6 Moly 254 Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 6 Moly 254 Hex nuts |
| Form of 6 Moly 254 Fasteners | Hex, Threading, Square, Round as per Gauge Etc. |
| Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate of 6 Moly 254 Bolting | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Head drive of 6 Moly 254 Bolts | Six-Lobe,Phillips,Phillips/Slot, Slotted etc |
| Packing of 6 Moly 254 Fasteners | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Ptfe Coated SMO 254 Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| SMO 254 Fasteners finishing | SMO : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide, |
| ASTM A479 | ASTM A194 | ASTM F2281 |
| ASTM A479M | ASTM A194M | ASTM A962 |
| ASTM A320 | ASTM F593-13a | ASTM A962M |
| ASTM A320M | ASTM F594-15 | |
| DIN 580 | DIN 6914 | DIN 6921 |
| DIN 582 | DIN 3570 | DIN 603 |
| DIN 444 | DIN 7990 | DIN 2510 |
| DIN 939 | DIN 1B | DIN 976 |
| DIN 933 | DIN 529 | DIN 912 |
| DIN 931 | DIN 6325 |
| Products | Size | |
| ASTM A479 254 6 Moly Stud Bolt | ASTM A479 254 6 Moly Bolts | Sizes M3 – M56 | 3/6″ to 2″ |
| ASTM A479 254 6 Moly Punched Washer | ASTM A479 254 SMO Pan Head Screw | |
| ASTM A479 254 Stainless Square Nut | ASTM A479 254 6 Moly Insert Nuts | |
| ASTM A479 254 6 Moly Welding Studs | ASTM A479 254 6 Moly Pan Head Screw | |
| ASTM A479 254 Stainless Cap Screw | ASTM A479 254 Stainless Foundation Bolts | |
| ASTM A479 254 6 Moly Threaded Rod | ASTM A479 254 Stainless Hex Head Bolts | |
| ASTM A479 254 Stainless Nuts | ASTM A479 254 Stainless Washers | |
| ASTM A479 254 6 Moly Fender Washer | ASTM A479 254 6 Moly Lock Nut | |
| ASTM A479 254 6 Moly Countersunk Slotted Screw | ASTM A479 254 6 Moly Double Ended Stud | |
| STANDARD | WERKSTOFF NR. | UNS | JIS | SIS | GOST | AFNOR | EN |
| SMO 254 | 1.4547 | S31254 | – | 2378 | – | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 |
| Grade | % | Ni | Cr | Mo | Cu | N | C | Mn | Si | P | S |
| SMO 254 | Min. | 17.5 | 19.5 | 6 | 0.5 | 0.18 | |||||
| Max. | 18.5 | 20.5 | 6.5 | 1 | 0.22 | 0.02 | 1 | 0.8 | 0.03 | 0.01 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SMO 254 | 8.0 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 % |
SMO 254 Fasteners are available in a wide range of types and configurations, including hex bolts, hex nuts, screws, washers, threaded rods, stud bolts, and other customized fastening forms, depending on the application, assembly requirements, dimensions, and customer specifications. These fasteners are manufactured and supplied with close attention to material chemistry, mechanical properties, thread accuracy, dimensional tolerances, and surface condition to support reliable performance in demanding industrial environments.






SMO 254 Fasteners can also be supplied according to customer drawings, technical specifications, inspection plans, testing requirements, material certificates, and project-specific standards. Where required, we can support customized marking, identification, packaging, third-party inspection, and additional quality documentation to meet individual project and procurement requirements. Our approach is focused on providing fastening products that offer reliable performance in applications exposed to chlorides, seawater, acidic media, moisture, and other corrosive operating environments.For product details, technical specifications, pricing, or customized requirements, email us at info@jaihindmetal.com.
We supply SMO 254 Fasteners in accordance with widely recognized international standards, including ASTM, ASME, DIN, EN, JIS, and ISO, depending on the fastener type, application, and customer requirements. Our fasteners are available in different sizes, diameters, lengths, thread configurations, head styles, tolerances, and surface finishes, allowing them to be selected for a wide range of industrial assemblies and demanding service conditions. At Jai Hind Metal, we focus on maintaining consistent material quality, accurate dimensions, precise threading, proper surface condition, traceability, and dependable workmanship throughout the manufacturing and supply process.
Looking for high-quality industrial products manufactured to your specific requirements? Contact our team for product details, customized solutions, pricing, and timely delivery.
Email: info@jaihindmetal.com
Our high-performance metal products are engineered to meet the demanding requirements of industries operating in challenging environments, including extreme temperatures, pressure and corrosive conditions.
Our corrosion-resistant metal products are widely used in marine environments where exposure to seawater, salt spray and harsh atmospheric conditions demands exceptional durability and reliability.
Our nickel alloys and high-performance metal products are used throughout the oil and gas industry for demanding applications involving high pressure, corrosive fluids, sour gas and extreme operating conditions.
Our corrosion-resistant alloys provide dependable performance in chemical processing equipment exposed to aggressive chemicals, high temperatures and challenging process conditions.
High-strength nickel alloys and specialty metals are selected for aerospace applications where lightweight performance, strength and resistance to extreme temperatures are essential.
Our specialty metal products support power generation equipment operating under high temperatures, pressure and corrosive conditions, delivering reliable long-term performance.
Corrosion-resistant metals are ideal for salt production environments where continuous exposure to concentrated salt and moisture can severely affect conventional materials.
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