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Custom 321 Stainless Steel Plates ASTM A240 , 20 Gauge Steel Plate
Specifications:
Back Ground of 321 Stainless Steel
Grades 321 and 347 are the basic austenitic 18/8 steel (Grade 304) stabilised by Titanium (321) or Niobium (347) additions. These grades are used because they are not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425-850°C. Grade 321 is the grade of choice for applications in the temperature range of up to about 900°C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion.
Chemical composition of 321 stainless steel
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
| 321 | min. max | - 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 | - | 9.0 12.0 | 0.10 | Ti=5(C+N) 0.70 |
Mechanical Properties of 321 stainless steel
| 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 |
Size of our stainless steel plates in stock
| Number | Grade | Thickness/mm | Finish | Width | Actual thickness | Mill |
| 1 | 304 | 3.0 | NO.1 | 1500/1800 | 2.84,2.88.2.91,3.0 | TISCO/BAOSTEEL |
| 2 | 304 | 4.0 | NO.1 | 1500/1800 | 3.76,3.84,3.9,3.98 | TISCO/BAOSTEEL |
| 3 | 304 | 5.0 | NO.1 | 1500/1800 | 4.88.4.95 | TISCO/BAOSTEEL |
| 4 | 304 | 6.0 | NO.1 | 1500/1800/2000 | 5.7,5.81,5.93,6.0 | TISCO/BAOSTEEL |
| 5 | 304 | 8.0 | NO.1 | 1500/1800/2000 | 7.76,7.88,7.94,8.0 | TISCO/BAOSTEEL |
| 6 | 304 | 10.0 | NO.1 | 1500/1800/2000 | 9.8.9.95,10.0 | TISCO/BAOSTEEL |
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Company name:WINFAST STEEL INDUSTRIAL LIMITED
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