321 Stainless Steel Sheet is a versatile and heat-resistant grade of stainless steel that belongs to the austenitic family.321 alloy is primarily composed of chromium, nickel, and a small amount of titanium. The inclusion of titanium distinguishes 321 stainless steel from other grades in its ability to withstand elevated temperatures without sacrificing corrosion resistance.By adding titanium to the steel, 321 stainless activates the chromium in the alloy, making it more resistant to intergranular corrosion in high-temperature applications.
321 stainless sheet is a high-temperature corrosion-resistant material with good corrosion resistance and weldability.
Advantages of 321 stainless steel plate:
1. Good corrosion resistance: 321 stainless steel plate has excellent corrosion performance in high temperature, high pressure and corrosive gas environments.
2. Good weldability: 321 stainless plates can be welded by various conventional welding methods, without welding seams and connecting parts with low metal material strength.
3. Good heat resistance and stability: 321 stainless steel sheet not only has good mechanical properties at room temperature, but also maintains good corrosion resistance and plastic toughness at high temperatures.
4. Excellent processing performance: 321 stainless sheets are easy to process and form, and can meet the production needs of complex parts.
321 Stainless Sheet Specification
Materials:304, 304L, 316,316L, 321, 310S, 309S,317,201, 202,410,420,430,904L,etc
Thickness:0.2mm-10mm
Width:1000-2000mm or as your request
Surface:No.1, 2B, Hairline, No.4, BA, 8K mirror finish,brush,satin,pvc coating
321 stainless steel equivalent
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
321 Steel Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | N | Ni | TI | |
| 321 | Min | – | – | – | – | – | 17.0 | – | 9.00 | 5(C+N) |
| max | 0.08 | 2.00 | 1.00 | 0.045 | 0.030 | 19.0 | 0.10 | 12.00 | 0.70 max | |
321 Stainless Steel Mechanical properties
| Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness | |
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
| 321 | 515 | 205 | 40% | 95 | 217 |
321 Plate Surface Finish
321 ss plate is available in various surface finishes, including 2B (cold-rolled, annealed, and pickled), No. 4 (brushed finish), and others, depending on the specific requirements of the application.
321 Sheet Processing Service
321 SS sheet has been precision processed, has good surface quality and flatness, and is easy to cut, bend and weld,has great advantages in factory production, engineering assembly and machining.
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