Nakamura Stainless is a reputable manufacturer and supplier based in Pulau Ujong, Singapore, known for delivering high-quality stainless steel products that are built to last. One standout item in their lineup is the Stainless Steel 317 Nuts, which are celebrated for their exceptional resistance to corrosion, especially in harsh acidic and chloride-heavy environments. Thanks to their higher molybdenum content, these nuts excel at resisting pitting and crevice corrosion while still maintaining impressive strength and toughness. Crafted to meet global standards, Stainless Steel 317 Nuts provide secure fastening and reliable performance in critical industrial settings.
These nuts are made up of 18–20% chromium, 11–15% nickel, and 3–4% molybdenum, which enhances their ability to withstand aggressive chemicals and corrosion from chlorides. On a mechanical level, they boast high tensile strength, dependable yield strength, and remarkable toughness. Plus, they maintain good creep resistance even at elevated temperatures, making them a trustworthy choice in demanding conditions while ensuring structural integrity and longevity.
| 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.
Stainless Steel 317 Nuts find their place in various industries, including chemical processing plants, petrochemical sectors, marine engineering, and pharmaceutical equipment. They’re also utilized in food processing, textile machinery, heat exchangers, and the pulp and paper industry. With their outstanding corrosion resistance and extended service life, these nuts are the perfect solution for fastening applications where strength, reliability, and durability in challenging environments are essential.
Stainless steel 317 nuts are used in extremely corrosive environments because they have higher corrosion resistance abilities against pitting and crevice corrosion. They are widely used in marine applications, chemical processing, and the pharmaceutical industry wherein frequent exposure is experienced towards chlorides and chemicals in general. Because of these properties, the parts can be applied on critical components, such as pumps, valves, and fittings, ensuring long-lasting performance and conditions in aggressive and challenging situations.
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