With its main office in Chennai, India, Vinit Stainless is a top producer and supplier of premium stainless steel goods, serving a variety of industrial markets. Stainless Steel 317 Bolts, which are designed for outstanding corrosion resistance, high tensile strength, and long-term durability, are one of our specialty products. These bolts, which are made of an austenitic chromium-nickel-molybdenum alloy, are particularly well-suited for harsh conditions where acids that contain sulfur, acetic, and chloride are present. SS 317 bolts are manufactured under strict quality standards to provide dependable, high-performance fastening solutions that surpass customer expectations. They are designed for use in the chemical processing, marine, and power generation industries.
Stainless steel 317 bolts (UNS S31700) have a lower carbon content to improve intergranular corrosion resistance and are made of 18–20% chromium, 11–15% nickel, and 3–4% molybdenum. Superior resistance to acidic environments, crevice corrosion, and chloride pitting is provided by this chemical composition. In terms of mechanical properties, SS 317 bolts have a yield strength of 205 MPa, a tensile strength of about 515 MPa, and stability at high temperatures. These bolts are ideal for critical applications in industries that demand corrosion resistance and structural integrity under extreme conditions because they also have outstanding weldability and formability.
Material | Specification | Standards | Size | Length |
Stainless Steel 317 Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 317 |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 317 |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
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Stainless Steel 317 bolts are highly corrosion-resistant fasteners, ideal for marine and chemical environments. They offer high strength and durability, suitable for demanding applications in industries exposed to harsh conditions.
Custom Stainless Steel 317 Hex Bolt features a custom-made fastener with a square head, providing excellent corrosion resistance and strength. Ideal for special applications in marine and chemical environments.
Stainless Steel 317 Leg Bolt is a highly durable, corrosion resistant material with threaded threads and a flat leg design. Increases durability in marine and chemical environments.
Stainless Steel 317 expansion anchor bolt secures fixtures in concrete or masonry with superior corrosion resistance. Ideal for marine and chemical environments, it ensures durability and strong hold in harsh conditions.
Stainless Steel 317 hex flange head bolt features a hexagonal head with an integrated flange, offering secure fastening and load distribution. It provides excellent corrosion resistance for harsh environments.
Stainless Steel 317 full threaded bolts have a fully threaded shaft for consistent engagement. They offer high strength and excellent corrosion resistance, making them suitable for demanding applications in harsh environments.
We give a priority to delivering a seamless customer experience with Stainless Steel 317 Bolts. We provide comprehensive documentation, including a commercial invoice, packaging list, heat treatment chart, and NABL-approved lab test report. Additional certifications like MTC, PMI Test Certificate, radiography test reports, and Third-Party Inspection Certificates ensure the highest standards of quality and reliability for our products.
Especially in chemical processing, marine applications, and power generation, stainless steel 317 bolts are perfect for use in extremely corrosive environments. These bolts, which are frequently used in desalination systems, chemical reactors, heat exchangers, and saltwater piping, offer enduring performance in environments that are both acidic and chloride-rich. They are also preferred in the food processing, oil and gas, and pharmaceutical industries because of their resistance to pitting and crevice corrosion. For thermal processing equipment and other high-pressure, high-temperature systems where longevity and performance are crucial, their strength at high temperatures makes them dependable.
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