Andre Stainless, based in Pulau Ujong, Singapore, is a reliable manufacturer and supplier of top-notch stainless steel products, including Stainless Steel 321 Coils. Known for its technical expertise and commitment to international standards, Andre Stainless offers coil solutions that excel in heat and corrosion resistance. With decades of experience and a robust distribution network, the company caters to vital industries like aerospace, thermal processing, petrochemical, and power generation. Equipped with state-of-the-art technology and a dedication to quality, Andre Stainless guarantees that every 321 coil product meets the highest standards for durability and performance in challenging environments.
Stainless Steel 321 Coils are austenitic stainless steels that are stabilized with titanium, typically composed of iron, 17–19% chromium, 9–12% nickel, and titanium (at least five times the carbon content). The addition of titanium helps prevent carbide precipitation during welding and exposure to high temperatures. These coils boast impressive mechanical properties, including a tensile strength of about 515 MPa, a yield strength of roughly 205 MPa, and a minimum elongation of 40%. Stainless Steel 321 also offers creep resistance and maintains structural stability at temperatures up to 870°C, making it perfect for long-term use in high-heat settings without sacrificing corrosion or oxidation resistance.
| 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 perfect for applications that need resistance to intergranular corrosion at high temperatures. In the aerospace sector, they find use in engine components, exhaust systems, and thermal shields. These coils are also widely used in chemical processing plants, especially in heat exchangers, refinery equipment, and pressure vessels. In the power generation field, they play a crucial role in superheaters and reheaters. Additionally, they are utilized in food processing applications, ensuring safety and reliability in environments where hygiene is paramount.
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