Niazi Stainless, based in the heart of Manama, Bahrain, has built a reputation for delivering exceptional metal solutions, and our Stainless Steel 317 bolts are a prime example of that commitment. We understand that in demanding environments, you need more than just a fastener; you need reliability. That’s why we focus on supplying bolts that offer superior protection, ensuring your projects benefit from a product designed to withstand some of the toughest corrosive conditions imaginable.
The strength of these bolts comes from their specific composition, which includes higher levels of chromium, nickel, and a significant addition of molybdenum. This particular blend gives the 317 alloy its outstanding resistance to corrosion, especially against substances like phosphoric acid and chlorides. Mechanically, these bolts are engineered to be both strong and durable, maintaining their integrity under high temperatures and stress, making them a robust choice for critical applications.
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.
You’ll find Stainless Steel 317 bolts are indispensable in industries where failure is not an option. They are the preferred choice for chemical processing plants, pollution control equipment, and pharmaceutical manufacturing facilities. Their exceptional performance also makes them ideal for use in coastal and marine settings, as well as in the construction of industrial exhaust systems, where they reliably secure components exposed to aggressive and acidic environments.
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