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At Rinku Fasteners, located in the thriving engineering sector of Kolkata, we take pride in producing fastening solutions that blend precision, reliability, and customer-focused craftsmanship. Our Stainless Steel 317/317L Stud Bolts are designed for industries that require superior corrosion resistance and dependable performance in challenging environments. Every stud bolt is manufactured with care to ensure stability, strength, and long service life. Through advanced material engineering and a commitment to quality, we support clients in building robust and efficient systems across demanding applications.
Stainless Steel 317/317L Stud Bolts are made from austenitic stainless alloys enriched with higher levels of chromium, nickel, and molybdenum. This composition provides excellent resistance to pitting, crevice corrosion, and chemical attack, especially in acidic or chloride-rich environments. Grade 317L offers low carbon content for improved weldability and reduced risk of carbide precipitation. These stud bolts deliver strong tensile and yield properties, reliable ductility, and stable mechanical performance under elevated temperatures, making them ideal for corrosion-intensive and high-stress applications.
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N |
| SS 317 | 0.08 max. | 2.00 max. | 1.00 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 11.0 – 14.0 | 3.0 – 4.0 | – |
| SS 317L | 0.03 max. | 2.00 max. | 0.75 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 11.0 – 15.0 | 3.0 – 4.0 | 0.1 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 317 | 620 MPa | 275 MPa | 45% | 85 | 193 |
| 317L | 595 MPa | 260 MPa | 55% | 85 | 200 |
Material | Specification | Standards | Size | Length |
Stainless Steel 317 / 317L Bolts
| IS BS ASTM | ASTM / ASME – A/ SA 193 | 3 mm | M02 to M33 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 317/317L bolts are renowned for their excellent corrosion resistance, particularly in acidic environments. They are commonly used in chemical processing, marine applications, and pharmaceuticals due to their resistance to pitting and crevice corrosion. Their high tensile strength and resistance to heat also make them suitable for use in high-temperature environments, such as in oil and gas industries and power generation. These bolts are ideal for applications requiring durability and reliability in harsh conditions.
Stainless Steel 317/317L Stud Bolts are widely used in industries where enhanced corrosion resistance and dependable mechanical strength are essential. They are commonly found in chemical processing plants, pulp and paper mills, petrochemical units, and marine environments. Their resilience in acidic, chloride, and high-temperature conditions makes them suitable for heat exchangers, pressure vessels, reactors, flanges, and critical piping systems. In pharmaceutical and food processing equipment, they help maintain hygienic and durable connections. Engineers value these stud bolts for providing long-lasting, secure fastening solutions that ensure reliability and safety in demanding operational environments.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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