Sumit Impex is a leading manufacturer and distributor of high-quality stainless steel 310 and 310S fasteners that are engineered to work superbly in corrosive and high temperature environments. The fasteners, which are made of austenitic stainless steel, with the UNS S31000 (310) and UNS S31008 (310S) designations and are known for their exceptional resistance to oxidation and structural integrity, even with temperatures of up to 2000 degF (1093degC). The chemical makeup, comprising nickel and chromium, guarantees superior performance under extreme exposure to chemical and thermal.
Sumit Impex is a Supplier of Stainless Steel 310 Fasteners, Biggest Stockist of 310/310s SS Fasteners as per Standards in Mumbai, India.
310 Stainless Steel Fastener, SS 310 Fasteners, 310S Stainless Steel Fasteners, Stainless Steel S31000 Fastener in Best Price, SS 310S Nuts, 310 Stainless Steel Fastener
Our range of products comprises a range of fasteners like bolts and nuts, screws and washers, all of which conform to international standards, such as ASTM A193, ASTM B194 as well as DIN specifications. The low content of carbon in 310S helps reduce the precipitation of carbide in welding, improving the weldability of the product and making it ideal for fabrication processes that require frequent fabrication.
Stainless Steel 310/310S fasteners are extensively used in a variety of industries including power generation, chemical processing furnace manufacturing, as well as heat exchangers. Their outstanding mechanical properties such as strong tensile strength, long-lasting and resistance to stress corrosion cracking assure reliable performance even in the most challenging conditions. They are also resistant to scaling and oxidation and are therefore suitable for long-term usage in elevated temperatures.
We at Sumit Impex, we prioritize the highest quality and accuracy. Our SS fasteners are tested rigorously to ensure they meet international standards and provide maximum performance. We also offer custom options for customization, such as various lengths, sizes as well as threading types and finishes on the surface, to satisfy the various requirements of our customers.
Our commitment to provide reliable and cost-effective fastening solutions has helped us become an established supplier to the field. Contact Sumit Impex now for SS 310/310S fasteners that will meet the requirements of your specific application.

Standard Specification For Stainless Steel 310 Fastener
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. |
Stainless Steel 310S Fasteners Types
Stud Bolts
Stud Bolts
Bolts
Bolts
Nuts
Nuts
Washers
Washers
Stainless Steel 310 Fasteners Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | – | X15CrNi25-20 |
SS 310S | 1.4841 | S31008 | SUS 310S | 310SS24 | 20Ch25N20S2 | – | X15CrNi25-20 |
Stainless Steel 310 Fasteners Chemical Composition
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
SS 310 | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24.00 – 26.00 | 0.10 max | 19.00 – 21.00 | – |
SS 310S | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24.00 – 26.00 | 0.10 max | 19.00 – 21.00 | – |
Stainless Steel 310 Fasteners Mechanical Properties
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Contact Us For Quatation & Questions Related To Stainless Steel 310 / 310S Fasteners
310S Stainless Steel Fasteners Applications
Export & Supply Destinations Of SS 310S Fasteners
Seychelles, Algeria, Cameroon, Botswana, Senegal, Eswatini, Rwanda, Burkina Faso, Nigeria, Ethiopia, Mauritius, Zambia, Zimbabwe., Madagascar, Uganda, Gambia, Mauritania, Morocco, Mozambique, Namibia, Kenya, Central African Republic, South Africa, Tunisia, Niger, Burundi, Tanzania, Egypt, Angola, Libya, Liberia,
Saint Lucia, Bahamas, El Salvador, United States of America., Nicaragua, Cuba, Haiti, Grenada, Guatemala, Antigua and Barbuda, Trinidad and Tobago, Honduras, Mexico, Dominica, Jamaica, Panama, Canada, Dominican Republic, Barbados, Belize, Saint Vincent and the Grenadines, Costa Rica,
Uruguay, Venezuela., Argentina, Paraguay, Peru, Suriname, Ecuador, Colombia, Chile, Bolivia, Brazil, Guyana,