Mitchell Stainless has earned a solid reputation as a reliable manufacturer and supplier of Stainless Steel 317 bolts in Hamilton, New Zealand. They cater to a variety of industrial sectors with their precision-engineered fastening solutions. Renowned for their unwavering quality and technical know-how, the company produces bolts that adhere to international standards for strength, corrosion resistance, and durability. Designed to perform consistently in harsh and high-temperature settings, Mitchell Stainless’s Stainless Steel 317 bolts are backed by a strong commitment to quality control, customization, and timely delivery, serving the engineering, construction, marine, and chemical industries throughout New Zealand and beyond.
Stainless Steel 317 bolts stand out due to their higher levels of chromium, nickel, and molybdenum compared to standard austenitic grades, which significantly boosts their corrosion and pitting resistance. Their typical composition features around 18–20% chromium, 11–15% nickel, and 3–4% molybdenum. These bolts are known for their impressive tensile strength, good yield strength, and exceptional toughness. They maintain mechanical stability even at elevated temperatures and offer robust resistance to creep, stress corrosion cracking, and chemical attacks.
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 that demand high corrosion resistance and mechanical reliability. You’ll often see them in chemical processing plants, petrochemical equipment, marine structures, pulp and paper mills, and heat exchangers. Their outstanding resistance to acidic and chloride-rich environments makes them ideal for offshore platforms and coastal infrastructure. In the realms of power generation and industrial fabrication, these bolts provide secure fastening even under high temperatures, ensuring that critical applications remain safe and effective.
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