Rupal Metals stands out as a leading manufacturer and supplier of Stainless Steel 317 Flat Bars in Delhi, India. They specialize in providing top-notch stainless steel solutions tailored for tough industrial settings that face corrosive and high-stress conditions. SS 317 is a high-alloy austenitic stainless steel, enriched with molybdenum to boost its resistance against chemical attacks, particularly from acidic and chloride-heavy environments. These flat bars are celebrated for their strength, durability, and ease of fabrication. Rupal Metals offers SS 317 flat bars in various dimensions and finishes, making them suitable for a wide range of applications in the chemical processing, pulp & paper, marine, and petrochemical sectors.
Stainless Steel 317 Flat Bars generally consist of Chromium (18–20%), Nickel (11–15%), and Molybdenum (3–4%), with a low carbon content that enhances corrosion resistance. This alloy boasts impressive strength, featuring a tensile strength of around 515 MPa and a yield strength of 205 MPa, along with high ductility and good creep resistance at elevated temperatures. SS 317 flat bars also excel in resisting pitting, crevice corrosion, and stress corrosion cracking. Their flat shape ensures uniform surface contact, making them perfect for structural supports, welded frames, and systems handling corrosive fluids.
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.
Stainless Steel 317 Flat Bars find extensive use in settings that demand robust resistance to chemical exposure and high mechanical performance. They are commonly used in pressure vessels, evaporators, heat exchangers, condensers, chemical storage tanks, and marine components. These bars are particularly well-suited for the pulp and paper industry, textile bleaching equipment, and flue gas cleaning systems. The flat profile simplifies installation, machining, and welding, making them ideal for structural reinforcements and custom-fabricated components. SS 317 flat bars are the go-to choice for equipment that endures harsh conditions, where long-lasting durability and minimal maintenance are crucial.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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