At Mitchell Stainless in Hamilton, New Zealand, we supply stainless steel fasteners that customers can rely on in tough environments. Our Stainless Steel 317L Bolts are designed for applications where superior corrosion resistance is essential, particularly in aggressive chemical and industrial settings. With a higher molybdenum content than 316 grades, these bolts offer added protection and long-term durability. Backed by our experienced local team and commitment to quality, Mitchell Stainless ensures you receive fastening solutions that perform reliably and support the success of your project.
Stainless Steel 317L Bolts are manufactured from a low-carbon austenitic stainless steel alloy containing chromium, nickel, and increased molybdenum content. The added molybdenum significantly enhances resistance to pitting and crevice corrosion in harsh and chloride-rich environments. The low carbon level reduces the risk of carbide precipitation during welding, maintaining corrosion resistance. These bolts offer good tensile strength, excellent toughness, and dependable mechanical stability across a wide temperature range.
Material | Specification | Standards | Size | Length |
Stainless Steel 317L Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 317L |
| 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 317L |
| 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 | – |
Contact us to get a quick quote for your requirement.
Stainless Steel 317L bolts are high-corrosion-resistant fasteners with excellent durability and strength. Ideal for harsh environments, they offer superior resistance to pitting and crevice corrosion, suitable for marine and chemical applications.
Custom Stainless Steel 317L hex bolt is a tailor-made fastener with a hexagonal head, presenting excessive corrosion resistance and durability. It’s best for specialised commercial applications in harsh, corrosive environments.
Stainless Steel 317L leg bolt is a high-corrosion-resistant fastener with a threaded shaft and flat, leg-like design. It offers strong, reliable connections in marine, chemical, and high-stress applications.
Stainless Steel 317L expansion anchor bolt is a corrosion-resistant fastener designed for securing objects in concrete or masonry. It expands upon installation, providing a strong, stable hold in harsh environments.
Stainless Steel 317L hex flange head bolt features a hexagonal head with an integrated flange, offering secure fastening and even load distribution. It provides excellent corrosion resistance for demanding applications.
Stainless Steel 317L full threaded bolts have a completely threaded shaft, providing consistent engagement and grip. They offer high corrosion resistance, strength, and durability, suitable for severe environments and industrial applications.
Each and every Stainless Steel 317L-bolt is packaged using finest raw materials to restrain it from rust and damage during shipping. We on-time deliver products through efficient means of transport to cater to our clients. Every product-related document is given to our clients along with the delivery to ensure that there is smooth functionality.
Stainless Steel 317L Bolts are commonly used in highly corrosive environments where standard stainless grades may not be sufficient. Typical applications include chemical processing plants, pulp and paper mills, marine and coastal structures, pollution control equipment, and petrochemical facilities. They are also well suited to food, pharmaceutical, and wastewater treatment industries. At Mitchell Stainless, we often recommend 317L bolts for projects requiring maximum corrosion resistance and long service life. Their robust performance makes them a trusted choice for demanding industrial applications.
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