309S Stainless Steel Bar is manufactured from an austenitic stainless steel containing high levels of chromium and nickel. This composition provides excellent resistance to a wide range of corrosive environments, including acidic, alkaline, and saline solutions, as well as various organic solvents. In addition, 309S stainless steel bar maintains outstanding corrosion resistance even under elevated temperatures, enabling stable long-term performance in high-heat environments.
Because of its excellent high-temperature strength and oxidation resistance, 309S stainless steel bar is widely used in high-temperature equipment and components for industries such as aviation, chemical processing, heat treatment, and power generation.
Furthermore, 309S stainless steel bar offers excellent fabrication performance and can be easily formed, machined, and welded using various processing methods. Another important characteristic is its non-magnetic nature, making it suitable for manufacturing parts and components where magnetic properties are not required.
Product Parameters
Product Name | 309/309S Stainless Steel Bar |
Type | Steel Bar |
Outer Diameter | Round Bar | 4mm-500mm |
Hexagon Bar | 18mm-57mm (11/16″ to 2-3/4″) |
Square Bar | 18mm-47mm (11/16″ to 1-3/4″) |
Flat Steel | 1/2 "to 10", Thickness: 2mm-150mm, Can provide customized |
Length | 1-6 meters, Length can be customized |
Standard | ASTM, AISI, JIS, GB, DIN, EN, etc. |
Surface | Black, Bright Polished, Rough Turning, Mattness Surface Treatment, No. 4. BA, etc. |
Scope of Application | Stainless steel bars are used in a variety of industries such as shipbuilding, Defense, Automotive, Textiles, Paper and pulp, Manufacturing, Cement, Heavy earthmoving equipment and construction, etc. |
Surface Selection

Packaging and shipment

Company Profile
Shandong Zhifa Steel Co., Ltd is located in Shandong, China. The company was founded in 2010.There are 67 employees, 233 technicians and 15 managers. At present, it mainly produces stainless steel, galvanized, color-coated and carbon steel. lt is a professional precision steel plant, lt has a modern scientific research center,equipped with a complete set of testing methods such as mechanical performance testing, process performance testing, metallographic testing, high-precision carbon and sulfur analysis, as well as a group of high-quality process technicians and inspection personnel.
