Neil Metals is a reputable manufacturer and supplier of Stainless Steel 317 Flat Bars, located in Kolkata, India. They specialize in providing high-performance stainless steel products designed for tough and corrosive environments. Renowned for their quality, precision, and adherence to global standards, Neil Metals offers SS 317 flat bars that are perfect for various industries, including chemical, pulp and paper, textile, marine, and food processing. These flat bars boast exceptional corrosion resistance, particularly against chlorides and sulfuric acid, making them ideal for demanding industrial applications. With cutting-edge manufacturing capabilities and efficient logistics, Neil Metals consistently serves both domestic and international clients with reliability.
Stainless Steel 317 Flat Bars are made up of 18–20% chromium, 11–15% nickel, and 3–4% molybdenum, along with a low carbon content that enhances resistance to intergranular corrosion. The higher molybdenum content significantly boosts resistance to pitting and crevice corrosion when compared to SS 316. SS 317 has a tensile strength of about 515 MPa and a yield strength of around 205 MPa. It retains excellent mechanical properties even in high-temperature settings and offers good formability and weldability, making it suitable for complex fabrication and challenging service conditions.
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 317 | 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 317 | 1.4449 | S31700 | SUS 317 | – |
Stainless Steel 317 is primarily composed of iron, chromium (about 18-20%), nickel (11-15%), and molybdenum (3-4%). It also contains small amounts of manganese, silicon, and carbon, offering excellent resistance to corrosion, especially in acidic environments.
Yes, Stainless Steel 317 Flat Bar is highly resistant to corrosion due to its high chromium and molybdenum content. It performs exceptionally well in aggressive environments, including exposure to chlorides and acidic conditions, making it suitable for harsh applications.
Yes, Stainless Steel 317 Flat Bar can be welded easily. Its composition, including high nickel and chromium, allows for good weldability. However, proper welding techniques and preheating may be necessary to prevent cracking or distortion in some cases.
These Stainless Steel 317 Flat Bars are commonly used in applications that require high corrosion resistance, durability, and structural integrity. Typical uses include chemical processing equipment, flue gas scrubbers, food and pharmaceutical production systems, marine components, dyeing machinery, and equipment for pulp and paper mills. Their flat shape is perfect for structural frameworks, brackets, and base plates that need both strength and corrosion resistance. SS 317 is especially preferred in environments with frequent exposure to chlorides, acids, or high temperatures, providing long-lasting performance, reduced maintenance, and a dependable solution for critical applications.
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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