Harsh Metalloys is a prominent manufacturer and supplier of Stainless Steel 317L Bolts in Mumbai, India, known for providing high-performance fastening solutions to industries worldwide. SS 317L is a low-carbon austenitic stainless steel grade enriched with molybdenum, offering enhanced resistance to corrosion, pitting, and chemical environments. Our SS 317L bolts are available in various types such as hex bolts, stud bolts, carriage bolts, and anchor bolts, manufactured in accordance with ASTM, DIN, and other international standards. These bolts are engineered to deliver high strength, excellent weldability, and resistance to stress corrosion cracking, making them ideal for critical applications.
Stainless Steel 317L Bolts are composed of 18–20% chromium, 11–15% nickel, 3–4% molybdenum, and a maximum of 0.03% carbon, which improves weldability and resistance to intergranular corrosion. This chemical composition enhances durability in aggressive environments such as acidic and chloride-rich conditions. The bolts offer a minimum tensile strength of 515 MPa and a yield strength of 205 MPa, with good elongation and toughness. These properties ensure that SS 317L bolts maintain structural integrity under high temperatures, pressure, and corrosive exposure, making them ideal for long-term, high-performance applications.
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 | – |
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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 widely used in applications requiring high corrosion resistance and mechanical reliability. Industries such as petrochemicals, pharmaceuticals, pulp and paper, food processing, and marine engineering commonly use these bolts in critical components and structures. SS 317L bolts are ideal for securing equipment in environments exposed to sulfuric, phosphoric, and acidic solutions, as well as chloride-rich atmospheres. They are extensively utilized in pressure vessels, heat exchangers, flue gas cleaning systems, and offshore platforms. Harsh Metalloys offers SS 317L bolts in a variety of dimensions, thread patterns, and finishes to meet stringent industrial standards and customer specifications.
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