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Stainless steel fasteners are essential hardware components such as bolts, screws, nuts, washers, and studs. They are made from stainless steel, an alloy prized for its corrosion resistance, consisting primarily of iron, chromium, and additional elements like nickel and molybdenum. These fasteners offer exceptional durability and strength, making them ideal for various industrial applications.
| Specifications | ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
|---|---|
| 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 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of Stainless Steel 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 SS Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 SS Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated Stainless Steel Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | Stainless steel : 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. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| Stainless Steel fasteners | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 11.00 – 14.00 | 67.845 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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We offer Stainless Steel Fasteners as per DIN, ISO, JIS or ANSI Standard.
Due to their exceptional properties, stainless steel fasteners are essential components across many industrial sectors. Renowned for their corrosion resistance, they find widespread application in marine environments, enduring the rigours of saltwater exposure with longevity and reliability. In the construction industry, stainless steel fasteners play a pivotal role in structural assemblies, providing secure connections while maintaining structural integrity in outdoor and exposed settings.
Stainless steel fasteners are generally resistant to galvanic corrosion due to their composition, which includes chromium. Chromium forms a passive oxide layer that protects against corrosion. However, galvanic corrosion can occur in certain conditions where they come into contact with more noble metals like copper or aluminium in a corrosive environment. Proper material selection and insulation techniques can mitigate this risk in practical applications.
Yes, stainless steel fasteners can be recycled after use. They are highly recyclable due to their valuable alloy components, such as chromium and nickel, which retain their properties through multiple recycling processes. Recycling stainless steel helps conserve resources, reduces landfill waste, and supports sustainable industrial practices.
Stainless steel fasteners are generally suitable for underground applications due to their excellent corrosion resistance. They can withstand exposure to moisture, soil acidity, and other environmental factors that typically cause rust and degradation in other metals. However, the specific grade of stainless steel should be chosen based on the soil conditions and potential exposure to chemicals to ensure long-term durability and performance.
When selecting stainless steel fasteners, consider factors like corrosion resistance (match to the environment), strength grade (e.g., 304 or 316), temperature resistance, application load requirements, and aesthetic preferences. Ensure compatibility with other materials in the assembly for optimal performance and longevity.
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