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Rinku Fasteners, based in Kolkata, India, stands out as a top manufacturer and supplier of high-quality Stainless Steel 317/317L Stud Bolts, designed for exceptional corrosion resistance and strength. With a keen emphasis on precision manufacturing and compliance with international standards, the company delivers fastening solutions that thrive in tough industrial settings. Their SS 317/317L Stud Bolts are produced using cutting-edge technology and undergo strict quality testing to guarantee outstanding durability, precise dimensions, and long-lasting reliability. Catering to sectors like chemical processing, petrochemicals, marine, and pharmaceuticals, Rinku Fasteners is dedicated to providing products that merge superior material performance with trustworthy service.
Stainless Steel 317/317L Stud Bolts are crafted from a molybdenum-rich austenitic stainless steel alloy that includes chromium and nickel, giving them excellent resistance to pitting, crevice corrosion, and chemical damage. The Grade 317L variant has a lower carbon content, which enhances its weldability and reduces the risk of carbide precipitation. These stud bolts boast impressive tensile strength, good ductility, and stable mechanical performance, even in challenging environments. Their superior corrosion resistance, particularly against chlorides and acidic substances, makes them perfect for heavy-duty applications. SS 317/317L is known for its reliable durability, structural integrity, and consistent performance in aggressive industrial conditions.
| 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 Stud bolt
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 193 |
3 mm
to
200 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 Stud Bolts find extensive use in industries that demand strong, corrosion-resistant fastening solutions. They are particularly suited for chemical processing plants, where equipment faces exposure to harsh acids, solvents, and corrosive liquids. Petrochemical facilities utilize these bolts in reactors, heat exchangers, piping systems, and storage tanks. Marine and offshore applications greatly benefit from their resistance to chlorides and other corrosive elements, ensuring longevity and reliability in challenging environments.
Our Stainless Steel 317/317L Stud Bolts are delivered with a comprehensive documentation package to meet client expectations. This includes commercial invoices, packaging lists, fumigation certificates, heat treatment charts, quality assurance plans, and approved lab test reports. Additionally, they come with various test certificates, such as MTC per EN 10204/3.1b, PMI Test Certificates, 100% radiography reports, and Third-Party Inspection Certificates. Our commitment to thorough documentation and rigorous testing ensures 100% client satisfaction with our products.
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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