Labdhi Metals is a leading manufacturer, stockist, and exporter of high-quality Stainless Steel 321 Strip, Sheet & Plate, offering corrosion-resistant and heat-resistant flat products to a global customer base. SS 321 is a titanium-stabilized austenitic stainless steel developed specifically to improve intergranular corrosion resistance. Labdhi Metals ensures that its SS 321 products are produced using premium raw materials and advanced processing techniques, making them ideal for use in high-temperature and aggressive chemical environments.
Stainless Steel 321 is designed for service in the 430–900°C temperature range, offering excellent oxidation resistance and mechanical strength. The addition of titanium (Ti) stabilizes the structure by preventing chromium carbide precipitation during heat exposure or welding. This makes SS 321 a preferred material in applications like heat exchangers, furnace parts, exhaust systems, and chemical processing equipment. Labdhi Metals offers these flat products in a variety of thicknesses, widths, and surface finishes tailored to industrial and engineering needs.
Labdhi Metals manufactures SS 321 Sheets, Plates, and Strips in both hot-rolled and cold-rolled forms. These are available in finishes like 2B, No.1, BA, mirror, and matte, depending on end-use. The company caters to industries such as aerospace, petrochemicals, oil & gas, power plants, marine, and pharmaceuticals. With in-house slitting, shearing, cutting, and polishing capabilities, Labdhi Metals can customize SS 321 flat products as per the customer's technical drawings and standards.
As a trusted stockist, Labdhi Metals maintains a large and ready inventory of SS 321 Strip, Sheet & Plate, enabling fast delivery for urgent projects. It exports to countries including the USA, Germany, Saudi Arabia, UAE, South Africa, and Southeast Asia. All products conform to ASTM, ASME, EN, and JIS specifications and are delivered with complete certification, third-party inspection reports, and traceability documentation.
Standard | ASTM A240 / ASME SA240 |
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Grade | Stainless Steel 321 |
Thickness Range | 0.3 mm to 100 mm |
Width | Up to 2000 mm |
Length | Up to 6000 mm or as per custom requirement |
Finish Types | 2B, No.1, BA, No.4, Matte, Mirror |
Forms Available | Sheets, Plates, Strips, Coils |
The company’s ISO-certified facilities and stringent quality control processes ensure that each batch meets the highest standards of surface finish, flatness, thickness tolerance, and mechanical integrity. Labdhi Metals' customer-centric approach, global supply capabilities, and technical expertise make it a preferred supplier of Stainless Steel 321 flat products across diverse industries.
Element | SS 321 (%) |
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Carbon (C) | ≤ 0.08 |
Manganese (Mn) | ≤ 2.00 |
Silicon (Si) | ≤ 1.00 |
Phosphorus (P) | ≤ 0.045 |
Sulfur (S) | ≤ 0.030 |
Chromium (Cr) | 17.0 – 19.0 |
Nickel (Ni) | 9.0 – 12.0 |
Titanium (Ti) | ≥ 5xC, ≤ 0.70 |
Property | SS 321 |
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Tensile Strength (MPa) | ≥ 515 |
Yield Strength (MPa) | ≥ 205 |
Elongation (%) | ≥ 30 |
Hardness (HRB) | ≤ 95 |