Stainless Steel 321 Angle is a titanium-stabilized austenitic stainless steel specifically designed to resist intergranular corrosion after exposure to high temperatures. This stabilization prevents carbide precipitation during welding, ensuring excellent durability and structural integrity. SS 321 Angles are ideal for environments involving frequent heating and cooling cycles, as the grade maintains its strength and resistance to oxidation up to elevated temperatures. Known for its toughness, formability, and corrosion resistance, SS 321 Angle is widely used where long-term reliability and heat stability are critical. Its balanced mechanical properties and weldability make it suitable for both industrial construction and high-temperature processing systems.
Stainless Steel 321 Angle contains chromium and nickel similar to SS 304, with titanium added to stabilize the microstructure and prevent carbide formation. This addition significantly improves resistance against intergranular corrosion, especially during welding or exposure to temperatures between 425°C and 870°C. The alloy displays excellent mechanical strength, maintaining its ductility and toughness under high thermal stress. It offers good hardness and retains dimensional stability when exposed to heat. SS 321 also resists oxidation and chemical corrosion, making it dependable in various atmospheric and industrial conditions while ensuring long-lasting performance.
Specifications : ASTM A276, ASTM A479 / ASME SA276, ASME SA479
Angle Size Range : 20 x 20 mm to 100 x 100 mm
Angles Thickness : 3 to 12 mm (depending on size)
Channel Size Range : Base: 80 to 150 mm; Side: 40 to 75 mm
Channel Thickness : 5 to 6 mm (depending on size)
Length : 3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(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 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
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Victor Sheets and Plates based in Abuja, Nigeria, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
SS 321 Angles are extensively used in applications requiring heat resistance, corrosion protection, and structural reliability. They are commonly utilized in exhaust manifolds, furnace components, heat exchangers, pressure vessels, refinery equipment, and thermal processing units. The aerospace industry uses SS 321 Angles for engine components and support structures subjected to continuous heat. They are also used in petrochemical plants, food manufacturing equipment, marine fittings, architectural frameworks, and fabrication of support brackets and frames. The alloy’s excellent weldability and strength make it suitable for both heavy industrial applications and precision-engineered systems requiring dependable performance under high temperature and corrosive conditions.
| THICKNESS | ||||||
|---|---|---|---|---|---|---|
| Size(mm) | 3 mm | 4 mm | 5 mm | 6 mm | 8 mm | 10 mm |
| 25×25 | 1.13 | 1.47 | 1.80 | 2.11 | 2.69 | — |
| 30×30 | 1.37 | 1.79 | 2.20 | 2.59 | 3.33 | — |
| 32×32 | 1.46 | 1.92 | 2.20 | 2.59 | 3.33 | — |
| 35×35 | 1.61 | 2.11 | 2.60 | 3.07 | 3.97 | — |
| 38×38 | 1.75 | 2.30 | 2.84 | 3.36 | 4.35 | — |
| 40×40 | 1.85 | 2.43 | 3.00 | 3.55 | 4.61 | — |
| 45×45 | — | 2.75 | 3.40 | 4.03 | 5.25 | — |
| 50×50 | — | — | 3.80 | 4.51 | 5.89 | 7.20 |
| 60×60 | — | — | 4.60 | 5.47 | 7.17 | 8.80 |
| 63×63 | — | — | 4.84 | 5.76 | 7.55 | 9.28 |
| 65×65 | — | — | 5.00 | 5.95 | 7.81 | 9.60 |
| 70×70 | — | — | — | 6.43 | 8.45 | 10.40 |
| 75×75 | — | — | — | 6.91 | 9.09 | 11.20 |
| 80×80 | — | — | — | 7.39 | 9.73 | 12.00 |
| 90×90 | — | — | — | 8.35 | 11.01 | 13.60 |
| 100×100 | — | — | — | 9.31 | 12.29 | 15.20 |
Stainless Steel 321 Angle is widely used in applications requiring high thermal resistance and excellent corrosion resistance. This surface is ideal for use in chemical processing, heat exchangers, and high-temperature duct systems due to its stability against intergranular corrosion and is commonly used in aerospace applications, furnace parts, and in thermal oxidizers. SS 321 corners are used in food processing, chemical plants and construction sites for their high strength, weldability and aesthetic appeal Their durability makes them suitable for all construction and decorative purposes.
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