Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-performance stainless steel fastening solutions. Their Stainless Steel 317 Nuts are engineered for applications that demand superior corrosion resistance and mechanical reliability. With a higher molybdenum content, these nuts perform exceptionally well in aggressive chemical and chloride-rich environments. Manufactured using precision-controlled processes and strict quality inspections, Walid Stainless ensures accurate threading, consistent strength, and long service life. Customers rely on Stainless Steel 317 Nuts for secure fastening, durability, and dependable performance in critical industrial assemblies.
Stainless Steel 317 Nuts are produced from an austenitic stainless steel alloy containing approximately 18–20% chromium, 11–15% nickel, and 3–4% molybdenum. The higher molybdenum content significantly improves resistance to pitting and crevice corrosion. These nuts typically exhibit tensile strength comparable to 317-grade fasteners and hardness around 150–190 HB. The austenitic structure ensures excellent toughness, corrosion resistance, and stable mechanical performance under stress and varying temperatures.
| Material | Specification | Standards | Size | Length |
| Stainless Steel 317 Nuts | IS BS ASTM | ASTM / ASME – A/ SA 193 | 3 mm to 200 mm | M02 to M33 |
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N |
| SS 317 | 0.08 max. | 2.00 max. | 1.00 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 11.0 – 14.0 | 3.0 – 4.0 | – |
| 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 | |||||
| 317 | 620 MPa | 275 MPa | 45% | 85 | 193 | – |
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A corrosion-resistant product, Stainless Steel 317 nuts come in sizes from M6 to M64. They are designed for superior resistance to marine and chemical environments, providing reliability and durability in aggressive conditions.
A corrosion-resistant product, Stainless Steel 317 coupling nuts, available in sizes from M6 to M36, connect two male threads securely. Their high resistance to pitting and chloride environments makes them suitable for harsh industrial applications.
A corrosion-resistant product, Stainless Steel 317 nylon insert nuts, or lock nuts, come in sizes from M3 to M36. The nylon insert prevents loosening due to vibration, while the stainless steel offers excellent resistance to corrosion in marine and chemical environments.
A corrosion-resistant product, Stainless Steel 317 flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They provide superior load distribution and stability in corrosive and marine environments.
A corrosion-resistant product, Stainless Steel 317 heavy hex nuts are available in sizes from M10 to M48. Their increased thickness offers enhanced strength and durability, making them ideal for heavy-duty applications in aggressive environments.
A corrosion-resistant product, Stainless Steel 317 square nuts come in sizes from M6 to M30. They offer a larger contact surface for secure fastening and are ideal for high-stress applications in marine and chemical environments.
We ensure our Stainless Steel 317 Nuts to be covered under full range certifications to provide highest quality assurance. Our shipment package would include commercial invoices, packaging lists, fumigation certificates, and heat treatment charts along with quality assurance plans and laboratory test reports. Besides, we also offer other test certificates solely for our Stainless Steel 317 Nuts. We consider these certificates MTC according to EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. Thus, we promise 100% client satisfaction by providing them with these elaborate certificates.
Stainless Steel 317 Nuts are widely used in industries exposed to highly corrosive conditions. Common applications include chemical processing plants, marine installations, oil and gas facilities, pulp and paper mills, desalination systems, and pharmaceutical equipment. Their superior resistance to aggressive chemicals and chlorides makes them ideal for flange assemblies and structural fastening. Engineers and maintenance professionals rely on 317 Nuts for long service life, safety, and reduced maintenance. Walid Stainless ensures each nut meets strict quality standards, supporting reliable performance in demanding industrial environments.
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