Starc Metals stands out as a top-notch manufacturer and supplier of Stainless Steel 317L Flat Bars, proudly based in Canberra, Australia. Known for our commitment to quality, precision, and reliability, we deliver high-performance stainless steel products that not only meet international standards but also cater to our clients’ specific needs. Our Stainless Steel 317L Flat Bars are highly sought after for their remarkable corrosion resistance, outstanding mechanical strength, and impressive durability, making them perfect for demanding applications in the chemical, petrochemical, marine, and power generation sectors. With cutting-edge manufacturing technology and rigorous quality control, Starc Metals offers robust, dependable, and long-lasting solutions that guarantee efficiency, safety, and top-notch performance in critical industrial and engineering settings.
These Stainless Steel 317L Flat Bars are made up of 18–20% chromium, 11–14% nickel, and 3–4% molybdenum, featuring a low carbon content of ≤0.03% to boost corrosion resistance. This austenitic stainless steel excels in resisting pitting, crevice corrosion, and stress corrosion cracking. In terms of mechanical properties, they boast a tensile strength ranging from 515–720 MPa, a yield strength of about 205–450 MPa, and a density of 8 g/cm³. Additionally, these bars provide good ductility, toughness, and weldability, making them ideal for long-term use in harsh and corrosive environments.
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 applications in industries that demand high corrosion resistance and mechanical strength. In the chemical and petrochemical fields, they are perfect for piping systems, heat exchangers, and reactor vessels that come into contact with aggressive chemicals. In marine settings, they are used for equipment exposed to seawater and offshore structures. Furthermore, they play a vital role in power generation, food processing, and pharmaceutical industries where durability, chemical resistance, and long-lasting performance are crucial. At Starc Metals, we ensure that our Stainless Steel 317L Flat Bars are precision-engineered for reliable, high-performance, and enduring solutions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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