Dhruv Metals, based in Hyderabad, India, is a well-respected manufacturer and supplier of Stainless Steel 321H Round Bars and Rods. These products are specifically designed to withstand high temperatures while offering exceptional resistance to oxidation and intergranular corrosion. Stainless Steel 321H is a high-carbon, titanium-stabilized austenitic stainless steel that boasts enhanced creep resistance and mechanical strength compared to the standard 321 grade. At Dhruv Metals, we take pride in our SS 321H round bars and rods, which are meticulously crafted to meet rigorous international quality standards. Our materials serve a variety of industries, including petrochemical, aerospace, and thermal processing, providing reliable, high-performance solutions.
The composition of Stainless Steel 321H Round Bars and Rods includes chromium (17.0–19.0%), nickel (9.0–12.0%), carbon (0.04–0.10%), and titanium (at least five times the carbon content), along with carefully controlled levels of manganese, silicon, phosphorus, and sulfur. These bars deliver a minimum tensile strength of 515 MPa, a yield strength of 205 MPa, an elongation of 40%, and a Brinell hardness of up to 217 HB. The higher carbon content enhances high-temperature strength and creep resistance, while the titanium helps prevent carbide formation during welding, ensuring the structural integrity of the material.
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 commonly utilized in environments that experience high temperatures, pressure, and corrosive conditions. Typical applications include heat exchangers, superheaters, boiler components, exhaust systems, expansion joints, and pressure vessels. These bars are particularly well-suited for thermal and chemical processing plants, oil refineries, and aerospace systems that face prolonged exposure to elevated temperatures. With their excellent weldability and resistance to scaling, SS 321H is the go-to choice for components that require long-lasting performance under thermal cycling and mechanical stress.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Dhruv Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hyderabad , India
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