Starc Metals stands out as a premier manufacturer and supplier located in Canberra, Australia, with a focus on top-notch Stainless Steel 317 Flat Bars. Known for their precision, durability, and remarkable resistance to corrosion, this company ensures that their products not only meet international standards but also serve the rigorous demands of various industrial applications. They cater to a range of sectors, including chemical processing, marine, pharmaceutical, and construction, providing stainless steel solutions that are built for strength, reliability, and long-lasting performance. Thanks to their advanced manufacturing techniques, strict quality control, and prompt delivery, every 317 flat bar guarantees outstanding mechanical strength, corrosion resistance, and versatility, making Starc Metals a go-to supplier throughout Australia and beyond.
Stainless Steel 317 Flat Bars are austenitic stainless steel that contains about 18% chromium, 12% nickel, and 3–4% molybdenum. This unique blend offers exceptional resistance to pitting, crevice corrosion, and harsh chemical environments. The material boasts a tensile strength ranging from approximately 515 to 700 MPa, along with excellent ductility, toughness, and dependable weldability. Its combination of high corrosion resistance, mechanical performance, and dimensional stability makes 317 flat bars perfect for applications that demand durability and long-term reliability in aggressive industrial, marine, and chemical settings.
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 find extensive use in industries that require both high corrosion resistance and mechanical strength. They are particularly well-suited for chemical processing equipment, heat exchangers, marine fittings, pharmaceutical machinery, and structural components that face harsh environments. Their enhanced resistance to acids, chlorides, and oxidizing agents makes them ideal for offshore, coastal, and industrial facilities. Moreover, 317 flat bars are commonly used in pumps, valves, fasteners, and food processing equipment, where durability and hygienic surfaces are essential. The blend of toughness, strength, and long-lasting performance truly sets these bars apart in demanding applications.
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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