Mitchell Stainless, based in Hamilton, New Zealand, supplies premium-quality Stainless Steel 317L nuts designed for reliable performance in corrosive and demanding environments. Known for their superior resistance to chemicals and pitting corrosion, these nuts are ideal for applications requiring long service life and secure fastening. Manufactured with precision and strict quality control, Mitchell Stainless ensures consistent dimensions, strength, and performance. With a strong focus on customer satisfaction and compliance with international standards, the company delivers fastening solutions trusted across chemical, marine, and industrial sectors.
Stainless Steel 317L nuts are made from a low-carbon, molybdenum-rich austenitic stainless steel alloy containing chromium and nickel. The added molybdenum significantly improves resistance to pitting and crevice corrosion, particularly in chloride-rich environments. The low carbon content reduces the risk of carbide precipitation, enhancing weldability and resistance to intergranular corrosion. These nuts offer good tensile and yield strength, excellent toughness, and reliable performance under moderate temperatures and pressure conditions.
| 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 Mitchell Stainless, 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.
Stainless Steel 317L nuts are widely used in industries where high corrosion resistance is critical. Common applications include chemical processing plants, marine and offshore structures, oil and gas facilities, and pharmaceutical equipment. They are also used in pulp and paper mills, heat exchangers, and desalination systems. Their excellent resistance to aggressive chemicals and harsh environments makes them suitable for critical fastening applications where durability, safety, and minimal maintenance are essential.
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