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Puri Fasteners has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 317/317L Nuts in Chennai. These nuts are designed to provide strong fastening solutions for industries that demand outstanding corrosion resistance and consistent performance. Crafted with cutting-edge technology and strict quality control, they are built to last, even in harsh, corrosive, and high-temperature settings. The Stainless Steel 317/317L, which is enriched with molybdenum, offers remarkable resistance to aggressive chemicals, acidic environments, and corrosion caused by chlorides. Thanks to their impressive strength, precise dimensions, and long lifespan, Puri Fasteners’ 317/317L nuts are a go-to choice in sectors like chemical processing, petrochemicals, marine applications, and other challenging industrial fields.
These Stainless Steel 317/317L Nuts boast high levels of chromium, nickel, and molybdenum, which provide exceptional protection against pitting, crevice corrosion, and chemical damage. The low-carbon 317L variant enhances weldability and minimizes carbide precipitation during the manufacturing process. With their high tensile strength, good ductility, and excellent stability at elevated temperatures, these nuts ensure dependable performance in tough environments. Their molybdenum-rich makeup allows them to endure harsh acidic substances such as sulfuric, acetic, and phosphoric acids. In summary, they offer lasting mechanical integrity and corrosion resistance, making them ideal for demanding industrial 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 Nuts
|
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 Nuts are widely utilized in industries where top-notch corrosion resistance and durability are a must. They’re particularly well-suited for chemical processing plants, especially in equipment that comes into contact with acidic and chloride-rich solutions. Thanks to their outstanding resistance, these nuts are perfect for marine environments, desalination plants, offshore structures, and brine systems. You’ll also find them commonly used in the petrochemical sector, pulp and paper mills, textile machinery, food processing facilities, and high-temperature industrial setups. Their reliability in tough conditions makes them a go-to choice for heat exchangers, reactors, pipelines, pressure vessels, and heavy engineering applications that demand consistent and long-lasting fastening performance.
We ensure rigorous quality inspections for all materials before delivery. Tests include Micro and Macro, Flaring, Pitting Resistance, Intergranular Corrosion (IGC), Hardness, Chemical Analysis (Spectro Analysis), and Positive Material Identification (PMI). Additionally, we provide comprehensive documentation such as HS-coded commercial invoices, packing lists with net and gross weights, box numbers, labels, and a Certificate of Origin. A Guarantee Letter and third-party inspection certificates are also available to ensure complete client satisfaction.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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