Semih Metals, based in Istanbul, Turkey, is a reliable manufacturer and supplier of Stainless Steel 321 Bars and Rods. They offer top-notch stainless steel products designed for durability, strength, and resistance to high-temperature oxidation and corrosion. Crafted with precision and rigorous quality control, these bars and rods deliver outstanding mechanical performance, precise dimensions, and long-lasting reliability. Semih Metals guarantees that its Stainless Steel 321 Bars and Rods meet the tough standards of industries like chemical processing, petrochemical, aerospace, power generation, and marine, where materials need to endure high temperatures and harsh environments.
The composition of Stainless Steel 321 Bars and Rods mainly includes iron, chromium (17–19%), nickel (9–12%), and a touch of titanium, along with other alloying elements like carbon, manganese, and silicon. The titanium acts as a stabilizer, preventing chromium carbide from forming during welding, which enhances resistance to intergranular corrosion. On the mechanical side, 321 boasts good tensile and yield strength, impressive toughness, and dependable high-temperature performance. Its blend of corrosion resistance, oxidation resistance, and mechanical reliability makes it perfect for structural, engineering, and high-temperature applications.
Specification : ASTM A276/ASME SA276, SA479/A479
Standard : DIN, EN, ASTM, JIS, ASME, BS, AISI
Round Bars : OD 4 to 500mm
Bright Bars : OD 4 to 100mm
Hex Bars : 18 to 57mm (11/16″ to 2-3/4″)
Square Bars : 18mm to 47mm (11/16″ to 1-3/4″)
Finish : Matt Finish, Bright Polished, Black, NO.4 Finish, Rough Turned, BA Finish
Length : cut to size 1 – 6 Meters,
Form : Hex, Square, Round, Rectangle Etc.
| Grade | Ti | Mn | C | Si | S | P | Mo | Cr | Ni |
| SS 321 | 5(C+N) to 0.70 maximum | 2.0 maximum | 0.08 maximum | 1.0 maximum | 0.030 maximum | 0.045 maximum | – | 17.00 to 19.00 | 9.00 to 12.00 |
| Melting Point | Density | (0.2%Offset) Yield Strength | Tensile Strength | Elongation |
| 1457 °C (2650 °F) | 8.0 g/cm3 | Psi – 30000 , MPa – 205 | Psi – 75000 , MPa – 515 | 35 % |
| WERKSTOFF NR. | STANDARD | JIS | UNS | EN |
| 1.4541 | SS 321 | SUS 321 | S32100 | X6CrNiTi18-10 |
Stainless Steel 321 offers excellent resistance to oxidation and corrosion, especially in high-temperature environments. It also provides exceptional stability and strength, making it suitable for various industrial applications.
Yes, Stainless Steel 321 is well-suited for welding. Its titanium stabilization prevents intergranular corrosion during welding, ensuring structural integrity and longevity.
These Stainless Steel 321 Bars and Rods find their way into various applications that demand strength, toughness, and resistance to high-temperature corrosion. You’ll often see them in furnace parts, heat exchangers, boiler components, exhaust systems, and chemical processing equipment. They’re also utilized in marine and offshore settings, aerospace structures, and power generation components where thermal cycling and corrosive conditions are a factor. Thanks to their durability, mechanical strength, and resistance to intergranular corrosion, Stainless Steel 321 Bars and Rods offer long-lasting performance.
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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