Emilio Stainless, located in Manila, Philippines, stands out as a top manufacturer and supplier of high-quality Stainless Steel 321 Coils. These coils are specifically crafted for high-temperature and industrial uses, offering remarkable resistance to corrosion, oxidation, and impressive mechanical strength. The 321 grade, which is stabilized with titanium, guarantees exceptional protection against intergranular corrosion and dependable performance even at elevated temperatures. At Emilio Stainless, advanced manufacturing techniques and rigorous quality control ensure that each coil boasts precise thickness, a smooth surface finish, and consistent quality. These coils are perfect for boilers, heat exchangers, furnace components, and other essential piping and structural applications that demand durability and long-lasting performance.
Stainless Steel 321 Coils are made up of 17–19% chromium, 9–12% nickel, 0.04–0.08% carbon, and titanium for stabilization, along with small amounts of manganese, silicon, and phosphorus. This austenitic stainless steel showcases a tensile strength ranging from 515–690 MPa and a yield strength of about 205–310 MPa, along with excellent ductility and toughness. The titanium stabilization helps prevent carbide precipitation, boosting resistance to intergranular corrosion at high temperatures. These coils are not only mechanically strong but also heat-resistant, making them suitable for high-pressure, high-temperature, chemical, and industrial applications that require long-lasting durability and reliable performance.
| 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 find extensive use in chemical processing, petrochemical industries, power generation, marine applications, and various high-temperature industrial systems. They are particularly well-suited for creating boilers, heat exchangers, furnace components, piping systems, and other structural elements that are exposed to high temperatures and corrosive environments. Thanks to the titanium-stabilized 321 grade, these coils offer outstanding resistance to intergranular corrosion, ensuring reliable, durable, and leak-proof performance. Emilio Stainless is committed to delivering products that meet the highest standards for quality and performance in demanding applications.
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