Nakamura Stainless is a reputable manufacturer and supplier based in Pulau Ujong, Singapore, known for delivering top-notch stainless steel solutions tailored for a variety of industrial needs. One standout product in their extensive lineup is the Stainless Steel 321 Coils, which are prized for their remarkable resistance to intergranular corrosion and outstanding performance in high-temperature settings. Thanks to titanium stabilization, these coils retain their strength and durability even in high-stress and oxidizing conditions. Manufactured to meet international quality standards, Nakamura Stainless’s 321 Coils promise long-lasting reliability and efficiency across demanding industries around the globe.
These coils are made up of 17–19% chromium and 9–12% nickel, with titanium stabilizers that significantly improve their resistance to carbide precipitation during welding and exposure to high temperatures. They boast impressive tensile and yield strength, excellent oxidation resistance up to 870°C, and commendable creep strength. These mechanical properties make them ideal for extended use in high-temperature environments while ensuring they maintain their structural integrity and corrosion 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.
Stainless Steel 321 Coils find applications in various sectors, including chemical processing, oil and gas, heat exchangers, and furnace components. They’re also perfect for aerospace, automotive exhaust systems, thermal oxidizers, and high-temperature gaskets. With their exceptional strength, ease of welding, and ability to withstand oxidation and intergranular corrosion, these coils are a reliable choice for projects that demand consistent performance in challenging, high-temperature, and corrosive environments. Would you like me to also create content for **321 Pipes, Tubing, Bars, Flanges, and Fasteners** to round out the grade 321 product portfolio?
Stainless Steel 321 coils are widely used in applications requiring excellent resistance to high temperatures and corrosion. The main uses include aerospace applications in aircraft components, chemical processing equipment, heat exchangers, and pressure vessels. These coils are also used in the automotive industry, especially for exhaust systems, food processing, power plants, and marine environments. Their resistance to oxidation and sensitization makes them ideal for applications under high temperatures and corrosive conditions.
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