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Victor Sheets and Plates, a well-respected manufacturer and supplier located in Abuja, Nigeria, specializes in high-quality Stainless Steel 321H Sheets and Plates that are engineered for outstanding performance in both high-temperature and corrosive settings. As the high-carbon variant of 321 stainless steel, 321H boasts improved creep strength, tensile strength, and oxidation resistance. Thanks to its titanium stabilization, it effectively prevents carbide precipitation during welding and thermal exposure. Victor guarantees that each 321H sheet and plate adheres to international quality and dimensional standards, showcasing an excellent finish, remarkable durability, and solid structural integrity. These sheets and plates are perfect for applications in petrochemical, aerospace, heat exchangers, and power generation, where dependable, long-lasting materials are essential.
Stainless Steel 321H is a titanium-stabilized austenitic stainless steel that contains roughly 17–19% chromium, 9–12% nickel, and a carbon content ranging from 0.04–0.10%. The addition of titanium enhances its resistance to intergranular corrosion and boosts stability at higher temperatures. It offers a tensile strength between 515–700 MPa, a yield strength of about 205 MPa, and an elongation of around 40%. This alloy provides excellent oxidation resistance up to 870°C (1600°F), good weldability, and impressive creep and stress rupture properties, making it ideal for continuous high-temperature operations and environments that experience frequent thermal cycling.
| Specifications | : | ASTM A240 / ASME SA240 |
| Thickness | : | 4mm-100mm |
| Width | : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Surface | : | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Finish | : | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | : | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
| Material | Size | Thickness |
| PLATES & SHEETS | 1000 mm x 2000 mm | 0.1mm To 100 mm Thickness |
| 1220 mm x 2440 mm (4′ x 8′) | ||
| 1250 mm x 2500 mm | ||
| 1500 mm x 3000 mm | ||
| 2000 mm x 4000 mm | ||
| 2000 mm x 2000 mm |
| Surface Finish | Definition | Application |
|---|---|---|
| 2B | Those finished, after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster. | Medical equipment, Food industry, Construction material, Kitchen utensils. |
| BA | Those processed with bright heat treatment after cold rolling. | Kitchen utensils, Electric equipment, Building construction. |
| NO.3 | Those finished by polishing with No.100 to No.120 abrasives specified in JIS R6001. | Kitchen utensils, Building construction. |
| NO.4 | Those finished by polishing with No.150 to No.180 abrasives specified in JIS R6001. | Kitchen utensils, Building construction, Medical equipment. |
| HL | Those finished polishing so as to give continuous polishing streaks by using abrasive of suitable grain size. | Building Construction. |
| NO.1 | The surface finished by heat treatment and pickling or processes corresponding there to after hot rolling. | Chemical tank, pipe |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless steel 321H sheets and plates provide excellent corrosion resistance, especially in high-temperature environments. They are extremely durable, resistant to oxidation, and are curing up to 870°C (1600°F). The intergranular corrosion resistance makes them ideal for welding-related applications. The stability of the composite is enhanced by the addition of titanium, which helps prevent carbide precipitation. Stainless steel 321 is also known for its durability, durability and ability to maintain structural integrity under extreme conditions. These properties make it suitable for industries such as aerospace, chemical and power generation.
Stainless Steel 321H Sheets and Plates are incredibly popular in high-temperature and high-pressure settings, like heat exchangers, boilers, exhaust systems, pressure vessels, refinery equipment, and expansion joints. You’ll also find them in industries such as chemical processing, oil and gas, aerospace, and thermal power plants, where materials need to stand up to oxidation and thermal fatigue. Thanks to their titanium stabilization, these sheets and plates are great at resisting sensitization and intergranular corrosion, even after welding or extended heat exposure. Victor’s 321H stainless steel sheets and plates offer exceptional mechanical performance, durability, and corrosion resistance, making them perfect for critical industrial and engineering applications that demand reliable performance at high temperatures.
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