Harsh Metalloys stands out as a leading manufacturer and supplier of Stainless Steel 317L nuts, proudly based in Mumbai, India. We specialize in top-notch fastening solutions that are renowned for their exceptional corrosion resistance, strength, and durability, especially in harsh chemical environments. Our SS 317L nuts are meticulously crafted from high-quality raw materials and engineered with precision to meet international standards. With a solid foothold in industries like chemical processing, marine, pulp & paper, and pharmaceuticals, Harsh Metalloys has earned a reputation for quality, reliability, and prompt delivery. Our dedication to performance and customer satisfaction positions us as a top supplier of stainless steel fasteners not just in India, but also in global markets.
Stainless Steel 317L nuts are made from a low-carbon austenitic stainless steel alloy that contains about 18–20% chromium, 11–15% nickel, and 3–4% molybdenum, with reduced carbon content to enhance weldability. These nuts provide outstanding resistance to pitting, crevice corrosion, and chemical attacks in acidic and chloride-rich settings. They boast mechanical properties like a tensile strength of around 515 MPa and a yield strength of approximately 205 MPa. Additionally, SS 317L nuts are known for their excellent formability, toughness, and high-temperature performance, making them perfect for a variety of industrial fastening applications.
| Material | Specification | Standards | Size | Length |
| Stainless Steel 317L 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 317L | 0.03 max. | 2.00 max. | 0.75 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 11.0 – 15.0 | 3.0 – 4.0 | 0.1 |
| 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 | |||||
| 317L | 595 MPa | 260 MPa | 55% | 85 | 200 | – |
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A corrosion-resistant product, Stainless Steel 317L nuts are available in sizes ranging from M6 to M64. These nuts are widely used in various industries for their durability and resistance to chemical exposure, making them suitable for harsh environments.
A corrosion-resistant product, Stainless Steel 317L coupling nuts are designed to join two male threads together. Available in sizes from M6 to M36, they offer excellent strength and reliability in applications requiring extended thread length connections.
A corrosion-resistant product, Stainless Steel 317L nylon insert nuts, also known as lock nuts, come in sizes from M3 to M36. They feature a nylon collar insert that prevents loosening due to vibration, ideal for secure, long-lasting fastening.
A corrosion-resistant product, Stainless Steel 317L flange hex nuts have an integrated washer-like flange. Available in sizes from M5 to M20, they provide a larger bearing surface, which distributes the load over a greater area, reducing the risk of damage.
A corrosion-resistant product, Stainless Steel 317L heavy hex nuts are characterized by their thicker and larger size, providing increased strength. Sizes range from M10 to M48, making them suitable for heavy-duty applications requiring robust and secure fastening.
A corrosion-resistant product, Stainless Steel 317L square nuts offer a larger surface area in contact with the part being fastened, reducing the risk of deformation. Available in sizes from M6 to M30, they are ideal for use in tight spaces and for heavy clamping applications.
At Harsh Metalloys, we pack Stainless Steel 317L Nut individually in its wooden box to secure it. The box is accurately labeled for quicker delivery. We send the nuts via couriers within the country and through air transport to other countries. Every consignment is covered by insurance along with a bill and details that will help to track it. We want to make sure your Stainless Steel 317L Nuts are delivered to you in perfect condition and right on time. We can make that happen, even with special packaging or express delivery.
You’ll find Stainless Steel 317L nuts widely utilized in industries that demand resistance to highly corrosive environments, such as chemical processing, marine equipment, pharmaceutical manufacturing, and food processing. They are particularly well-suited for fastening components that are exposed to strong acids, chlorides, and high moisture levels. SS 317L nuts are also commonly used in condensers, heat exchangers, storage tanks, and offshore platforms, where superior resistance to pitting and crevice corrosion is crucial. Their low carbon content ensures excellent weldability, while their mechanical strength and durability make them a dependable choice for critical fastening in tough operating conditions.
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