Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of heat-resistant stainless steel fastening solutions for demanding industrial environments. Their Stainless Steel 310 Nuts are designed to perform reliably in applications exposed to extreme temperatures, oxidation, and corrosive conditions. With a high chromium and nickel content, these nuts maintain strength and structural integrity under continuous thermal stress. Manufactured with precision and strict quality control, Walid Stainless ensures accurate threading, durability, and long service life. Customers rely on Stainless Steel 310 Nuts for secure fastening and dependable performance in high-temperature industrial systems.
Stainless Steel 310 Nuts are produced from an austenitic stainless steel alloy containing approximately 24–26% chromium and 19–22% nickel. This composition provides excellent oxidation resistance and strong mechanical performance at temperatures up to 1100°C. These nuts typically exhibit mechanical strength consistent with 310-grade fasteners and hardness around 170–200 HB. The austenitic structure ensures excellent toughness, corrosion resistance, and dimensional stability in continuous high-temperature service.
| 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 |
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 | 54.7 min |
| Element | SS 310 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 217 |
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A corrosion-resistant product, Stainless Steel 310 nuts are available in sizes from M6 to M64. They are designed for high-temperature applications, providing excellent resistance to oxidation and durability in extreme heat environments.
A corrosion-resistant product, Stainless Steel 310 coupling nuts, available in sizes from M6 to M36, connect two male threads securely. Their high-temperature resistance makes them ideal for use in furnace and heat exchanger applications.
A corrosion-resistant product, Stainless Steel 310 nylon insert nuts, or lock nuts, come in sizes from M3 to M36. The nylon insert prevents loosening under vibration, and the stainless steel provides heat and oxidation resistance for high-temperature environments.
A corrosion-resistant product, Stainless Steel 310 flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They offer superior load distribution and stability in high-temperature applications, such as in industrial furnaces.
A corrosion-resistant product, Stainless Steel 310 heavy hex nuts are available in sizes from M10 to M48. Their increased thickness provides superior strength and durability, ideal for heavy-duty applications in extreme heat conditions.
A corrosion-resistant product, Stainless Steel 310 square nuts come in sizes from M6 to M30. Their larger contact surface ensures secure fastening, making them suitable for high-temperature applications in industrial and aerospace settings.
We offer complete certification with our Stainless Steel 310 Nuts. We ensure that our products meet the highest quality standards. In the commercial package, our items consist of commercial invoices, packaging lists, fumigation certificates, heat treatment charts, quality assurance plans, and approved laboratory test reports. Further, for Stainless Steel 310 Nuts, we have varying test certificates as under, namely, MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. We intend to ensure 100% client satisfaction and confidence in our products by providing these detailed certifications.
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