Our skilled team and professionals work tirelessly to deliver high-quality plates that are not only durable and reliable but also exhibit exceptional longevity. We offer a diverse range of sizes and dimensions to cater to the specific needs of our clientele. Our stainless steel 321 plates adhere to the specifications outlined in ASTM A240 / ASME SA240.
Stainless Steel 321 is a titanium-stabilized stainless steel known for its excellent mechanical properties. These plates offer superior corrosion resistance, particularly in the chromium carbide temperature range, along with enhanced resistance to intergranular corrosion.
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Moreover, they possess superior creep and stress rupture properties compared to alternative alloys. Additionally, stainless steel 321 plates exhibit remarkable low-temperature toughness and exceptional strength, making them suitable for various applications, including use in diluted organic acids at moderate temperatures.
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Our offerings include a variety of SS 321 Plates such as Chequered Plate SS 321 Rolls, Cold Rolled Plates, 321 Coils, Strips, Foils, Shim Sheet, Perforated Sheet, Circle, Polished Plates, Hot Rolled Plates, Rings, and more. These stainless steel plates find extensive use across diverse industrial sectors, including power generation plants, offshore oil drilling refineries, gas processing industries, specialty chemicals, pharmaceuticals, chemical equipment, heat exchangers, pulp and paper industries, petrochemicals, and more.
To ensure the quality of our products, we provide all necessary material test certificates in accordance with EN 20204/3.1B standards. These certificates include Raw Materials Certificates, 100% Radiography Test Reports, Third-Party Inspection Reports, among others. Additionally, we conduct rigorous material testing on our products before dispatching them to our valued patrons.
Specification/Grades of 321 Stainless Steel Plates
| Specifications | ASTM A240 / ASME SA240 |
| Width | 1000mm / 1219mm /1250mm / 1500mm / 2000mm |
| Length | 2000 mm / 2440 mm / 2500 mm / 3000 mm / 6000 mm |
| Thickness | 0.1mm to 12 mm Thk |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | Coils, Foils, Rolls, Plain Sheet, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
Stainless Steel 321 sheet Equivalent Grades
| STANDARD | UNS | WNR. | JIS | EN |
| SS 321 | S32100 | 1.4541 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | S32109 | 1.4878 | SUS 321H | X12CrNiTi18-9 |
Chemical Properties Of 321 Stainless Steel sheet:
| % | Cr | Ni | C | Si | Mn | P | S | N | Ti | Fe |
| 321 | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
max:0.08 | max:0.75 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
| 321H | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
min:0.04 max:0.10 |
min:18.0 max:20.0 |
max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
Mechanical Properties Of 321 Stainless Steel sheet:
| Grade | Tensile Strength ksi (min.) |
Yield Strength 0.2% Offset ksi (min.) |
Elongation - % in 50 mm (min.) |
Hardness (Brinell) MAX |
| 321/321H | 75 | 30 | 40 | 217 |
