Walid Stainless is a trusted manufacturer and supplier of premium Stainless Steel 321 Coils in Tunis, Tunisia. Stabilized with titanium, our SS 321 coils are designed to resist intergranular corrosion and maintain strength at elevated temperatures, making them ideal for demanding industrial environments. Manufactured using advanced rolling technology and stringent quality control, these coils offer precise dimensions, smooth surface finish, and long-term reliability. Walid Stainless provides products that meet international standards, catering to industries requiring high-temperature performance, durability, and corrosion resistance in chemical processing, petrochemical, aerospace, and power generation applications.
Stainless Steel 321 coils are austenitic alloys composed of chromium and nickel, stabilized with titanium to prevent carbide precipitation during welding or high-temperature exposure. This composition enhances resistance to intergranular corrosion and ensures mechanical stability at elevated temperatures. SS 321 exhibits excellent tensile strength, good ductility, and high toughness. It maintains structural integrity, oxidation resistance, and creep resistance under thermal stress, making it suitable for continuous service in heat-intensive industrial applications.
| Specifications | ASTM A240, ASME SA240 |
| Standard | JIS, ASTM, AISI, GB, EN, DIN |
| Surface | 2B, BA, HL, No. 4, Mirror etc. |
| Finish | Cold rolled, Hot rolled |
| Thickness | 0.3mm–100mm |
| Size | 1000mm, 1219mm, 1250mm, 1500mm, 1524mm, 2000mm |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50 mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40 | 95 | 217 |
| 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 |
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Stainless Steel 321 HR slitting coils are hot-rolled, slit stainless steel strips, offering excellent heat and corrosion resistance. They are used in industries requiring high durability and precision.
Stainless Steel 321 slitting coils are precision-cut strips of heat-resistant stainless steel, ideal for applications requiring high corrosion resistance and strength, commonly used in aerospace, automotive, and industrial sectors.
AISI 321 slitting coils are stainless steel strips with excellent heat and corrosion resistance, processed by slitting. They’re suitable for applications in aerospace, automotive, and high-temperature environments.
We ensure that our documentation for Stainless Steel 321 Coils is detailed and reliable to provide complete transparency. The documents include a commercial invoice, a packaging list, a fumigation certificate, a heat treatment chart, and a quality assurance plan. The package further comprises an NABL-approved lab test report for confirmation against rigorous standards. For enhancing our commitment to quality, we provide several test certificates such as MTC according to EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and a Third-Party Inspection Certificate. Such strong measures guarantee 100% client satisfaction and confidence in the integrity of our Stainless Steel 321 Coils.
Stainless Steel 321 coils are widely used in industries requiring high-temperature performance and corrosion resistance. Common applications include furnace components, heat exchangers, exhaust systems, petrochemical plants, and power generation facilities. They are also suitable for aerospace equipment, chemical processing units, and food processing machinery where thermal stability is critical. SS 321 coils are used to manufacture sheets, tubes, pipes, and structural components exposed to high temperatures and harsh environments. Their long service life, durability, and low maintenance make them a preferred choice for demanding industrial and commercial applications.
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