Among the best providers of premium stainless steel products especially Stainless Steel 321H Round Bars and Rods. Semih Metals which is found in Istanbul, Turkey. The bars and rods can withstand high temperature and corrosion, particularly in acidic and oxidative conditions. Stainless Steel 321H is a high-carbon variant of 321 that increases the strength and resistance to sensitization at elevated temperatures. Thus, industry applications include petrochemical, aerospace, and thermal power generation, where heat and corrosion resistance is essential. Semih Metals also guarantees that their Stainless Steel 321H Round Bars and Rods are certified to meet the highest standards as they provide durable solutions across various applications.
Stainless Steel 321H Round Bars and Rods are ideal solutions for austenitic stainless steel products with excellent resistance to extreme high temperatures, oxidation, and corrosion. The suffix ‘H’ stands for high carbon content, which improves the strength and stability of steel in an elevated heat environment and makes it appropriate for high heat applications. The composition of Stainless Steel 321H contains about 17-19% chromium, 9-12% nickel, and a small quantity of titanium, which is normally within the range of 0.3-0.6%, which stabilizes the steel against carbide precipitation. It contains traces of manganese, silicon and phosphorus. This composition is expected to contribute dramatically for being superior in heat, chemicals and oxidation environments.
Standard : 321H / 1.4878
Range : 3.17mm to 350mm dia
Designation : ASTM A276, ASME SA276
Finish : Bright, Black, Polish
Thickness: 4.0mm – 100mm
Type: Bar, Bright Bar, Black Bars, Hex Bar, Square Bar, Rods, Polish Bar, Forged Bar, Round Bar
Length : Random, Fix & Cut Length
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti |
| 321H | 0.04 – 0.10 | 2 max | 0.75 max | 0.045 max | 0.03 max | 17 – 19 | 3 – 4 | 9 – 12 | – | 4xC min 0.60% max |
| Density | 8.0 g/cm3 |
| Melting Point | 1454 °C (2650 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000, MPa – 205 |
| Elongation | 35 % |
| Size (mm) | 10×10 | 12×12 | 16×16 | 20×20 | 25×25 | 32×32 | 40×40 | 50×50 |
|---|---|---|---|---|---|---|---|---|
| kg/m | 0.81 | 1.16 | 2.06 | 3.22 | 5.03 | 8.24 | 12.87 | 19.60 |
| Standard | SS 321H |
| UNS | S32109 |
| WERKSTOFF NR. / DIN | 1.4878 |
Yes, Stainless Steel 321H Round Bars and Rods can be used for natural gas applications. Their excellent resistance to high temperatures and corrosion makes them suitable for gas processing and pipeline systems.
Stainless Steel 321H Round Bars and Rods are used broadly in industries where high temperatures and corrosion resistance are required. Such bars and rods typically find applications in oil and petrochemical pipelines, aerospace, and power generation, where heat and corrosion resistance is critical. This means that they can be used in the most conservative functions, such as heat exchangers, furnace parts, and chemical processing equipment. Stainless Steel 321H is also applicable in welding as well as during the construction of tanks, reactors and pipelines that guarantee durability and longevity even under aggressive conditions including acidic and oxidizing environments.
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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