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Puri Fasteners is a well-respected manufacturer and supplier of top-notch Stainless Steel 317/317L Washers based in Chennai. They provide reliable fastening solutions for industries that demand exceptional corrosion resistance and durability. These washers are crafted from molybdenum-enriched stainless steel grades, which offer enhanced protection against harsh chemicals, chloride attacks, and high-temperature conditions. Puri Fasteners is committed to precision engineering, rigorous quality control, and compliance with global standards, making their 317/317L washers a go-to choice for challenging industrial applications. With outstanding dimensional accuracy, durability, and performance, these washers are perfect for chemical processing, petrochemical plants, marine systems, and heavy-duty engineering projects.
Stainless Steel 317/317L Washers boast higher levels of chromium, nickel, and molybdenum, which provide remarkable resistance to pitting, crevice corrosion, and chemical attacks. The Grade 317L, known for its lower carbon content, offers improved weldability and reduces carbide precipitation during fabrication. These washers demonstrate excellent tensile strength, good ductility, and stability at high temperatures, making them ideal for tough and corrosive industrial settings. Their molybdenum-rich composition ensures superior performance in acidic environments, such as sulfuric, acetic, and phosphoric acids, while maintaining strong mechanical integrity under continuous stress.
| 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 Washers
|
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 Washers are a go-to choice in various industries that demand top-notch corrosion resistance and durability. They’re perfect for chemical processing setups, like reactors, heat exchangers, pipelines, and systems that handle acids. Thanks to their ability to withstand harsh chemicals and chlorides, these washers shine in marine environments, desalination plants, and offshore structures. You’ll also find them in pulp and paper mills, textile machinery, food processing facilities, and high-temperature industrial settings. Their impressive strength and stability in extreme conditions make them indispensable in pressure vessels, boilers, petrochemical projects, and heavy engineering tasks where reliability and longevity are key.
We ensure the highest quality for our Stainless Steel 317/317L Washers through rigorous testing, including Hardness, Chemical Analysis, Positive Material Identification (PMI), Flattening, Micro and Macro Tests, Pitting Resistance, Flaring, and Intergranular Corrosion (IGC) Tests. Each product is accompanied by detailed documentation, such as a commercial invoice, packaging list, Certificate of Origin, and a Guarantee Letter. Third Party Inspection Certificates are also provided to affirm our commitment to industry-leading standards.
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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