Semih Metals, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of premium stainless steel products, with a particular focus on Stainless Steel 317L Hollow Bars. Known for their precision engineering and rigorous quality standards, Semih Metals serves a variety of industries that demand exceptional corrosion resistance and mechanical performance. Their 317L Hollow Bars are meticulously crafted to adhere to international specifications, ensuring reliability in critical applications. With a strong commitment to excellence and customer satisfaction, Semih Metals blends advanced manufacturing techniques with expert technical support, delivering durable, high-performance stainless steel solutions that meet the ever-changing needs of today’s industrial and engineering sectors.
Stainless Steel 317L Hollow Bars are primarily made up of 18–20% chromium, 11–13% nickel, 3–4% molybdenum, and a very low carbon content (≤0.03%), which significantly boosts their corrosion resistance and weldability. They boast impressive mechanical properties, including a high tensile strength of about 620 MPa, a yield strength of around 290 MPa, and an elongation of 40%, making them perfect for challenging environments. This alloy offers outstanding resistance to pitting and crevice corrosion, especially in chloride-rich and acidic conditions. Thanks to its low carbon content, 317L minimizes carbide precipitation during welding, preserving structural integrity and performance even in high-temperature and chemically aggressive 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 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 % |
The low carbon content of SS 317L reduces the risk of carbide precipitation at high temperatures, preventing grain boundary corrosion. This enhances its stability, weldability, and overall performance, making it more reliable in high-temperature environments, especially in corrosive conditions.
SS 317L Hollow Bars offer excellent corrosion resistance, particularly against chlorides and acidic environments, making them ideal for marine and chemical processing industries. Their high strength, durability, and resistance to pitting and crevice corrosion ensure long-lasting performance in harsh conditions.
Stainless Steel 317L Hollow Bars find extensive use in the chemical processing, petrochemical, and marine industries due to their remarkable corrosion resistance and durability. They are particularly well-suited for creating heat exchangers, pumps, valves, and piping systems that come into contact with harsh chemicals. This alloy is also utilized in pharmaceutical and food processing equipment, where hygiene and resistance to acidic solutions are paramount. Furthermore, 317L Hollow Bars are employed in high-temperature applications, including furnace components and exhaust systems, thanks to their unique combination of strength and resilience.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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