Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of premium stainless steel fasteners for high-temperature and industrial applications. Their Stainless Steel 310 Fasteners are designed to withstand extreme heat while maintaining excellent oxidation and corrosion resistance. With high chromium and nickel content, these fasteners offer superior mechanical stability and long-term durability in thermal-intensive environments. Manufactured under strict quality control, Walid Stainless ensures precise threading, smooth finishes, and reliable performance. Customers rely on Stainless Steel 310 Fasteners for secure, durable, and dependable fastening in furnaces, heat exchangers, petrochemical plants, and other high-temperature industrial systems.
Stainless Steel 310 Fasteners are made from an austenitic stainless steel alloy containing approximately 24–26% chromium and 19–22% nickel. This composition provides outstanding resistance to oxidation, scaling, and thermal fatigue at temperatures up to 1100–1150°C. The fasteners typically exhibit tensile strength between 520–650 MPa and hardness around 170–200 HB. Their austenitic structure ensures excellent toughness, corrosion resistance, and mechanical stability under continuous high-temperature service, making them ideal for demanding industrial and thermal 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 |
|
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 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 310 | 515 | 205 | 40 | 95 | 217 |
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Stainless Steel 310 Bolts offer excellent corrosion resistance in high-temperature environments. Available in various sizes from M3 to M30 and lengths from 10mm to 300mm, they are ideal for structural and high-heat applications.
Stainless Steel 310 Nuts provide superior corrosion resistance and high-temperature stability. They come in sizes ranging from M3 to M30, with standard hex dimensions ensuring compatibility with bolts and screws in demanding environments.
Stainless Steel 310 Stud Bolts are known for their exceptional resistance to oxidation and corrosion at elevated temperatures. Typically available in sizes from M6 to M36 and lengths from 20mm to 300mm, they are used in heavy-duty applications.
Stainless Steel 310 screws offer outstanding resistance to corrosion and heat. They are available in sizes from M3 to M20 and lengths ranging from 10mm to 200mm, suitable for use in high-temperature and corrosive environments.
Stainless Steel 310 threaded rods provide excellent durability and resistance to high temperatures and corrosion. They are available in diameters from M6 to M36 and lengths up to 3000mm, making them versatile for various industrial applications.
Stainless Steel 310 washers offer superior corrosion and heat resistance, ensuring long-term performance. Sizes range from M3 to M30, with thicknesses typically between 0.5mm and 10mm, suitable for providing stability and load distribution in harsh environments.
We are proud to present a world-class range of SS 310 Fasteners designed to satisfy specific customer size requirements. From the very first step, our commitment to quality is further demonstrated by rigorous end-product testing to industry standards. End-product testing includes 100% radiography, strength tests, macro/micro tests, material analysis, third-party inspections, intergranular corrosion tests, chemical analyses, and positive material identification (PMI). In this way, we assure that our fasteners will be up to the mark in terms of long life, performance, and complete conformity with all industry requirements.
Stainless Steel 310 Fasteners are widely used in industries requiring high-temperature performance and oxidation resistance. Common applications include furnace assemblies, heat exchangers, kiln linings, high-temperature piping, and petrochemical equipment. Their ability to maintain strength and resist scaling and thermal fatigue makes them ideal for welded and bolted assemblies exposed to elevated temperatures. Engineers and maintenance professionals rely on 310 Fasteners for secure, reliable, and long-lasting performance. Walid Stainless ensures each fastener meets stringent quality standards, providing dependable operation in industrial, chemical, and high-temperature environments.
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