Rupal Metals, a prominent manufacturer and supplier located in Delhi, India, specializes in high-quality stainless steel 321H bars and rods that are engineered for high-temperature and pressure applications. Renowned for their exceptional strength, durability, and resistance to intergranular corrosion, these bars and rods are perfect for demanding industrial settings. Rupal Metals is dedicated to providing top-notch stainless steel products that adhere to international standards, delivering precision-engineered solutions across various industries. With a strong emphasis on quality, timely delivery, and customer satisfaction, Rupal Metals has established itself as a reliable name in the stainless steel manufacturing industry.
The stainless steel 321H bars and rods are made from iron, containing 17–19% chromium, 9–12% nickel, and a higher carbon content of up to 0.10%, along with titanium for stabilization. This austenitic stainless steel is crafted for enhanced strength at elevated temperatures. It boasts a tensile strength of 515 MPa, yield strength of 205 MPa, and an elongation of 40%, along with excellent resistance to creep and stress rupture. These mechanical properties make 321H ideal for high-temperature structural applications while ensuring resistance to scaling and oxidation.
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Standards |
ASTM A276, A479, A582, GB4226-84, GB/T1220-2007, JISG4311-91, JIS G4318-98, EN 10095-99, GB4226-84, EN10088-3-2005, JIS G4303-2005, etc |
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Stainless Steel Round Bar type |
ASTM A276 321h stainless steel round bars |
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Range |
Range – 3.17mm to 350mm dia |
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Technique |
Forged/Hot Rolled/Cold Drawn/Peeled |
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Diameter |
2.0-400mm |
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Surface |
bright round bar, pickled round bar, black round bar |
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Length |
3000mm, 6000mm or according to the customer’s requirement. |
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Type |
Round bar, rod, square bar, flat bar, hexagon bar, angle bar, channel bar, threaded bar |
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Package Details |
Standard seaworthy package(wooden boxes package,pvc package, or other package) |
| Grade | C | Mn | Si | P | S | Cr | Ti | Ni | N |
| SS 321h | 0.04 – 0.10 max | 2 max | 0.75 max | 0.045 max | 0.03 max | 17 – 19 | 4xC min 0.60% max | 9 – 12 | 0.10 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 321h | 1.4541 | S32109 | SUS 321h | – | – | – | X6CrNiTi18-10 |
Stainless Steel 321H is a high-carbon version of 321 stainless steel. The higher carbon content in 321H improves its high-temperature strength, making it ideal for use in environments with temperatures over 800°C (1472°F). While both offer excellent resistance to oxidation and corrosion, 321H is particularly suited for applications with higher thermal stresses.
Stainless Steel 321H Bars and Rods are commonly used in industries such as aerospace, chemical processing, power generation, and marine environments. They are ideal for high-temperature applications such as heat exchangers, reactor cores, and furnace parts.
Stainless steel 321H bars and rods find extensive use in industries like petrochemical, power generation, oil and gas, and heat treatment. These bars are perfect for creating boiler components, heat exchangers, exhaust systems, expansion joints, and furnace parts where high-temperature strength is essential. They are also utilized in chemical processing plants and aerospace applications due to their outstanding weldability and resistance to intergranular corrosion. With dependable performance in extreme heat and pressure conditions, 321H rods and bars are the go-to choice for durable, high-efficiency industrial components.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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