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Yasin Fasteners, an Istanbul, Turkey-based company, is a reliable manufacturer and supplier of stainless steel 317 and 317L stud bolts with superior corrosion resistance and high strength in harsh environments. The stud bolts are constructed from a molybdenum-increased austenitic stainless steel alloy, offering strong resistance against pitting, crevice corrosion, and chemical attack. Yasin Fasteners provides 317 and 317L stud bolts in a wide range of sizes and specifications that are used by various industries like chemical processing, marine, pharmaceuticals, and food processing. All the products are manufactured to international standards to provide consistent performance and durability.
Stainless steel 317 stud bolts are roughly 18–20% chromium, 11–15% nickel, and 3–4% molybdenum content, greatly enhancing corrosion resistance over 316 grade. The 317L version is lower carbon content, improving weldability and avoiding the risk of precipitation of carbides. Both grades possess satisfactory mechanical strength, toughness, and high-temperature oxidation resistance.
| 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 and 317L stud bolts are also used in heat exchangers, chemical reactors, desalination plants, and marine environments involving aggressive chemicals and chloride exposure. Their increased corrosion resistance and toughness make them best for fastening components in adverse conditions and offer long-lasting and safe fastening options.
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.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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