Lecong Stainless is a reputable manufacturer and supplier of high-quality stainless steel fasteners, proudly based in Da Nang, Vietnam. With a strong focus on quality, precision, and performance, Lecong provides dependable fastening solutions to industries around the globe. One of their standout products is the Stainless Steel 317 Bolt, renowned for its remarkable corrosion resistance, especially in harsh chemical and marine settings. Built to meet international standards, these bolts are perfect for high-stress and corrosive environments. Lecong Stainless utilizes cutting-edge production technology and strict quality control to deliver durable, high-performance bolts designed for the chemical, marine, oil & gas, and construction industries.
Stainless Steel 317 Bolts are crafted from an austenitic stainless steel alloy that includes 18–20% Chromium, 11–15% Nickel, and 3–4% Molybdenum, with a maximum carbon content of 0.08%. This advanced composition provides outstanding resistance to pitting, crevice corrosion, and chemical damage, particularly in chloride-rich or acidic conditions. In terms of mechanical properties, these bolts boast a tensile strength of about 515 MPa, a yield strength of 205 MPa, and impressive ductility with elongation reaching up to 35%. Their strong mechanical and corrosion-resistant characteristics make them perfect for heavy-duty and high-temperature fastening tasks.
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.
Stainless Steel 317 Bolts find extensive use in industries where corrosion, heat, and chemical exposure are major concerns. In chemical and petrochemical facilities, they secure equipment and pipelines that come into contact with aggressive fluids. Their excellent resistance to saltwater makes them ideal for marine applications. These bolts are also utilized in heat exchangers, pressure vessels, pulp and paper mills, and food processing plants, where hygiene and durability are crucial. Additionally, they play a vital role in the pharmaceutical and power generation sectors.
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