Neil Metals is your go-to manufacturer and supplier of Stainless Steel 317 Flat Bars, proudly based in Kolkata, India. These flat bars are celebrated for their exceptional corrosion resistance and strength, making them perfect for tough environments where chemicals, acids, and high temperatures are at play. Crafted to meet ASTM A276 standards, our flat bars boast excellent weldability, formability, and durability. At Neil Metals, we provide SS 317 flat bars with a sleek finish and precise dimensions, catering to industries like chemical processing, marine, pharmaceuticals, pulp and paper, and food processing with reliable, top-notch stainless solutions.
Stainless Steel 317 is an austenitic stainless steel alloy that contains 18–20% chromium, 11–15% nickel, and 3–4% molybdenum, which significantly boosts its corrosion resistance, especially in acidic and chloride-heavy environments. Its mechanical properties are impressive, featuring a tensile strength of around 515 MPa, yield strength of about 205 MPa, and an elongation of roughly 35%. The alloy’s remarkable resistance to pitting and crevice corrosion, combined with its solid mechanical strength, makes SS 317 flat bar a go-to choice for demanding industrial applications.
Standard ASTM A276, A479 / ASME SA276, SA479
Range 3.17 MM TO 350 MM DIA
Diameter 25mm to 152mm
Size Tolerance h8, h9(DIN 671), h10, h11, ASTM A484, DIN 1013
Finish Bright, Polish & Black
Form Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging Etc.,
Condition Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Other Services Machining (CNC), Centreless Grinding (CG), Heat Treatment, Anneling, Pickling, Polish, Rolling, Forging, Cutting, Bending, Minor Fabrication
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 317L | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.845 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
|---|---|---|---|---|
| SS 317L | 1.4449 | S31700 | SUS 317 | – |
You’ll find Stainless Steel 317 Flat Bars widely utilized in sectors like chemical and petrochemical processing, marine engineering, food and beverage, pharmaceuticals, and pulp and paper production. These bars are perfect for equipment that faces strong acids, chlorides, and high temperatures, such as tanks, evaporators, heat exchangers, and process piping. Their outstanding corrosion resistance and mechanical durability make them ideal for structural applications and fabricated components, whether indoors or outdoors. SS 317 flat bars offer a cost-effective, long-lasting solution for systems that need both strength and exceptional resistance to chemical attacks.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Neil Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kolkata, India
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