JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Model NO. | 321 |
| Shape | Flat |
| Technique | Cold Rolled |
| Surface Treatment | Bright |
| Specification | 1220*2440, 1500*3000, 1500*6000, 2000*6000mm |
| Thickness | Cold rolled 0.5-3.0 mm, Hot rolled 3.0-80.0 mm |
| Standard size | Cold rolled 1000*2000mm 1219*2438mm, Hot rolled 1500*3000mm 1500*6000mm 1800*6000mm 2000*6000mm |
| Finish | SATIN, 2B, 2D, BA NO (8), CR, HR, No.1, 1D, No.4, BA, 8K, hairline, brush, mirror |
| Forms / Shapes | Plate, Sheet, Coils, Foils, Strip, Flats, Clad Plate, Plain Sheet, Rolling Sheet, Rolling Plate, Flat Shim, Flat Sheet, Shim Sheet, Rolls, Blank (Circle) |
| Tensile Strength | 515 MPa min |
| Yield Strength | 205 MPa min |
| Elongation | 40% min |
| Hardness Rockwell B | 95 max |
| Hardness Brinell | 217 max |
| Composition | C: 0.08 max, Mn: 2.00 max, Si: 0.75 max, P: 0.045 max, S: 0.030 max, Cr: 17.0-19.0, Ni: 9.0-12.0, N: 0.10 max, Ti: 5(C+N)-0.70 |
| Certification | AISI |
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Product Specification
| Model NO. | 321 | Shape | Flat |
| Technique | Cold Rolled | Surface Treatment | Bright |
| Specification | 1220*2440, 1500*3000, 1500*6000, 2000*6000mm | Thickness | Cold rolled 0.5-3.0 mm, Hot rolled 3.0-80.0 mm |
| Standard size | Cold rolled 1000*2000mm 1219*2438mm, Hot rolled 1500*3000mm 1500*6000mm 1800*6000mm 2000*6000mm | Finish | SATIN, 2B, 2D, BA NO (8), CR, HR, No.1, 1D, No.4, BA, 8K, hairline, brush, mirror |
| Forms / Shapes | Plate, Sheet, Coils, Foils, Strip, Flats, Clad Plate, Plain Sheet, Rolling Sheet, Rolling Plate, Flat Shim, Flat Sheet, Shim Sheet, Rolls, Blank (Circle) | Tensile Strength | 515 MPa min |
| Yield Strength | 205 MPa min | Elongation | 40% min |
| Hardness Rockwell B | 95 max | Hardness Brinell | 217 max |
| Composition | C: 0.08 max, Mn: 2.00 max, Si: 0.75 max, P: 0.045 max, S: 0.030 max, Cr: 17.0-19.0, Ni: 9.0-12.0, N: 0.10 max, Ti: 5(C+N)-0.70 | Certification | AISI |
| High Light | Corrosion Resistant Stainless Steel Plate ，Cold Rolled 321 Stainless Steel Sheet ，Bright Surface 1.4541 Stainless Steel Plate | ||
| Product Type | 321 Stainless Steel Sheet, 321 Stainless Steel Plate |
|---|---|
| Specification | ASTM A240 / ASME SA240 JIS G4305 / EN 10088-2 / GB 24511 |
| Thickness | Cold rolled: 0.5-3.0 mm Hot rolled: 3.0-80.0 mm |
| Standard Size | Cold rolled: 1000×2000mm, 1219×2438mm Hot rolled: 1500×3000mm, 1500×6000mm, 1800×6000mm, 2000×6000mm |
| Finish | Satin, 2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), No.1 finish hot rolled, 1D, No.4, BA, 8K, hairline, brush, mirror, etc. |
| Brand | TISCO, BAOSTEEL, POSCO, JISCO, DONGTE |
| Forms / Shapes | Plate, Sheet, Coils, Foils, Strip, Flats, Clad Plate, Plain Sheet, Rolling Sheet, Rolling Plate, Flat Shim, Flat Sheet, Shim Sheet, Rolls, Blank (Circle), sheared, annealed, soft annealed, descaled, tread plate, Checker Plate |
| Other Trade Names | SS 321, SUS 321, Inox 321, DIN 1.4541, UNS S32100, AISI 321, SAE 321 Sheet |
| Our Services | Laser cutting, Fire cutting, bending, Surface polishing, PVC film cover |
Grades 321 and 347 are austenitic 18/8 steels (similar to Grade 304) stabilized by Titanium (321) or Niobium (347) additions. These grades resist intergranular corrosion after heating within the carbide precipitation range of 425-850°C. Grade 321 is ideal for applications up to 900°C, offering high strength, scaling resistance, phase stability, and subsequent aqueous corrosion resistance.
Grade 321H features higher carbon content for improved high-temperature strength. While 321 has excellent forming and welding characteristics, it is not recommended as a welding consumable due to titanium's poor transfer across high-temperature arcs. Grade 347 serves as the standard consumable for welding 321.
| Grade | C | Mn | Si | P | S | Cr | Ni | Other |
|---|---|---|---|---|---|---|---|---|
| 321 | ≤0.08 | ≤2.00 | ≤0.75 | ≤0.045 | ≤0.030 | 17.0-19.0 | 9.0-12.0 | Ti=5(C+N) min, 0.70 max |
| 321H | 0.04-0.10 | ≤2.00 | ≤0.75 | ≤0.045 | ≤0.030 | 17.0-19.0 | 9.0-12.0 | Ti=4(C+N) min, 0.70 max |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50 mm) min | Hardness Rockwell B (HR B) max | Hardness Brinell (HB) max |
|---|---|---|---|---|---|
| 321 | 515 | 205 | 40 | 95 | 217 |
| 321H | 515 | 205 | 40 | 95 | 217 |
| Grade | UNS No | British BS | Euronorm No | Japanese JIS |
|---|---|---|---|---|
| 321 | S32100 | 321S31 | 1.4541 | SUS 321 |
| 321H | S32109 | 321S51 | 1.4878 | SUS 321H |
GMS is a medium-sized professional company integrating wholesale sales and processing of stainless steel materials, providing customers with comprehensive services including sales, processing, and logistics distribution.
Our products serve numerous industries including nuclear power engineering, petrochemical, electric furnace, boiler, pressure vessel, electric heating equipment, textile, pharmaceutical, mechanical equipment, kitchen equipment, solar energy, and papermaking equipment.
Main products include: 321, 310s, 309S, 316L, 304, 316TI, 410S, 202, 201, 904L, 317L, 2205, 2304 duplex stainless steel, as well as 800H, 600H high nickel alloys. We maintain over 3000 tons of standing stock and can arrange special orders for unique requirements.
Additional services include embossing (domestic and Japanese), mirror polishing, plate polishing, grinding, flattening, and cutting (laser, water knife, plasma) to meet diverse customer needs.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
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