Phehlukwayo Metal, a reliable manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality **Stainless Steel 317L Flat Bars** designed to offer exceptional corrosion resistance, strength, and durability in tough industrial settings. Crafted with advanced techniques, these flat bars boast precise dimensions, a smooth surface finish, and consistent mechanical properties. Renowned for their outstanding resistance to pitting, crevice corrosion, and harsh chemical environments, Stainless Steel 317L Flat Bars are perfect for critical applications in the chemical processing, petrochemical, marine, and pharmaceutical sectors. Phehlukwayo Metal ensures that their stainless steel products meet international standards, providing long-lasting, dependable, and high-performance solutions for a variety of industrial needs.
Stainless Steel 317L Flat Bar is an austenitic stainless steel primarily made up of iron, chromium (18–20%), nickel (11–15%), molybdenum (3–4%), and a low carbon content (maximum 0.03%). This unique composition guarantees excellent corrosion resistance, particularly in chloride and acidic environments, along with impressive high-temperature strength and toughness. It has a tensile strength of around 485–620 MPa, yield strength of 205–275 MPa, and good ductility. Its ferrite-free austenitic structure ensures stability, excellent weldability, and reliable mechanical properties, making it ideal for applications that require long-term durability, chemical resistance, and structural integrity.
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 | – |
Stainless Steel 317L is primarily composed of iron, with high levels of chromium (18-20%) and nickel (11-15%), along with molybdenum (3-4%) for enhanced corrosion resistance. It also contains small amounts of carbon, manganese, silicon, and phosphorus.
Yes, Stainless Steel 317L Flat Bar is highly resistant to corrosion, especially in harsh environments. Its high chromium, nickel, and molybdenum content enhances resistance to pitting, crevice corrosion, and general oxidation, making it ideal for chemical and marine applications.
Yes, Stainless Steel 317L Flat Bar can be welded easily using standard welding techniques such as TIG, MIG, and SMAW. Its low carbon content minimizes carbide precipitation during welding, ensuring strong joints and excellent corrosion resistance in the weld area.
Stainless Steel 317L Flat Bars find extensive use in applications that require high corrosion resistance, mechanical strength, and durability. They are commonly utilized in chemical processing equipment, heat exchangers, pumps, valves, and marine components. This alloy is also well-suited for pharmaceutical machinery, petrochemical plants, and industrial piping systems that are exposed to acidic and chloride-rich environments. Additionally, Stainless Steel 317L Flat Bars are employed in food processing equipment, industrial machinery, and structural applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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