Stainless Steel 317 Bolts are made from a special austenitic chromium-nickel-molybdenum alloy, which offers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, outperforming standard 316 stainless steel. The typical chemical makeup includes 18–20% chromium, 12–15% nickel, 3–4% molybdenum, and a low carbon content of less than 0.03%, ensuring great weldability and structural integrity. Mechanically, these bolts boast high tensile strength, yield strength, and toughness, maintaining their stability even in extreme temperatures and harsh environments.
Stainless Steel 317 Bolts are made from a special austenitic chromium-nickel-molybdenum alloy, which offers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, outperforming standard 316 stainless steel. The typical chemical makeup includes 18–20% chromium, 12–15% nickel, 3–4% molybdenum, and a low carbon content of less than 0.03%, ensuring great weldability and structural integrity. Mechanically, these bolts boast high tensile strength, yield strength, and toughness, maintaining their stability even in extreme temperatures and harsh environments.
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.
These Stainless Steel 317 Bolts are widely utilized in industries that demand secure and long-lasting fastening solutions. They are perfect for chemical processing equipment, heat exchangers, marine and offshore structures, pharmaceutical machinery, and food processing facilities. Additionally, these bolts find applications in desalination systems, industrial piping assemblies, and architectural projects where both strength and corrosion resistance are essential. Available in a variety of sizes, grades, and finishes, 317 bolts offer engineers and designers a dependable, high-performance solution for challenging environments.
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