While some austenitic stainless steels produced are not stabilized, many others have been stabilized with the use of certain elements in their chemistry. Grade 321 Stainless Steel Sheet Suppliers recommend using this alloy for welding operations because it has been stabilized by the inclusion of titanium in its chemical composition. During welding operations, some stainless steel grades have a higher carbon content, the free carbon in the alloy gets attached to the chromium at elevated temperatures, forming chromium carbides.
The formation of this chromium carbide compound sensitizes the grain boundary causing the entire component to be at risk of intergranular corrosion. This is true especially if the AMS 5510 Stainless Steel 321 Circles have not been thoroughly cleaned or proper post-weld procedures are not practiced. However, in the case of this alloy, titanium, which is a stabilizing element forms titanium carbide. This in turn is a more stable compound and it causes no damage to the welded 321 Stainless Steel Plate. So the alloy does not face a risk of corrosion, making it an alloy better suited to elevated temperatures. Similar to other 300 series in the austenitic category, the ASTM A240 A240 Tp321 Shims could be dually certified to 321/321H, with a higher content of carbon. At elevated temperatures, the creep resistance properties of ASTM A240 Type 321 Ring are outstanding.
| Specifications | ASTM A240 / ASME SA240 |
| Thickness | 4mm-100mm |
| Width |
1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, 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, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| 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 |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
| Size (in inches) | Size (in mm) |
|---|---|
| .125 | 3.18 |
| .134 | 3.40 |
| .156 | 3.96 |
| .187 | 4.75 |
| .250 | 6.35 |
| .312 | 7.92 |
| .375 | 9.53 |
| .500 | 12.7 |
| .600 | 15.9 |
| .750 | 19.1 |
| .875 | 22.2 |
| 1 | 25.4 |
| 1.125 | 28.6 |
| 1.250 | 31.8 |
| 1.500 | 38.1 |
| 1.750 | 44.5 |
| 2 | 50.8 |
| 2.500 | 63.5 |
| 3 | 76.2 |
| asme sa-240 321 stainless steel plate | Price List |
| AISI 321 BA finish stainless steel plate price | US $2820-3000 / Ton |
| 321 Mirror Polished Stainless Steel Sheet Plate | US $1000-2500 / Ton |
| sus 2B / BA / No.1 / No.4 / 8k / HL 321 stainless steel plate | US $1200-5000 / Ton |
| Plate Surface finish | Thickness (mm) | Width (max mm) |
|---|---|---|
| 2B – Cold rolled, heat treated, pickled, skin passed Sheet | 0.25–8.0 | 2032 |
| 2D – Cold rolled, heat treated, pickled Sheet | 0.4–6.35 | 1524 |
| 2E – Cold rolled, heat treated, mechanically descaled plate | 0.4–8.0 | 2032 |
| 2R – Cold rolled, bright annealed plate | 0.25–3.5 | 1524 |
| 2H – Work hardened plate | 0.4–6.35 | 1524 |
| Polished, brushed plate | 0.5–4.0 | 1524 |
A240 Tp321 Plate Imperial Dimensions
| Plate Surface finish | Gauge (in) | Width (max in) |
|---|---|---|
| 2B – Cold rolled, heat treated, pickled, skin passed Plate | 10–24 | 72* |
| 2D – Cold rolled, heat treated, pickled plate | 12–24 | 60 |
| BA Mexinox only | 18–28 | 48 |
| Polished Sheet (not brushed) | 11–24 | 60 |
| Temper rolled Sheet Mexinox only | 13–29 | 48 |
| Thickness Chart in Inches | Plate Weight per Unit Area | Density |
|---|---|---|
| 3/16 | 0.06000 lbs/in²42.184176 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/4 | 0.08 lbs/in²56.245568 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/8 | 0.121 lbs/in²85.0714216 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/2 | 0.161 lbs/in²113.1942056 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 5/8 | 0.196 lbs/in²137.8016416 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/4 | 0.235 lbs/in²165.221356 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 7/8 | 0.274 lbs/in²192.6410704 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 | 0.313 lbs/in²220.0607848 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/4 | 0.391 lbs/in²274.9002136 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/2 | 0.47 lbs/in²330.442712 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 3/4 | 0.549 lbs/in²385.9852104 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 | 0.627 lbs/in²440.8246392 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/4 | 0.705 lbs/in²495.664068 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/2 | 0.784 lbs/in²551.2065664 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 3/4 | 0.862 lbs/in²606.0459952 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3 | 0.941 lbs/in²661.5884936 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 8.0x2000x4000 mm Grade 321 Stainless Steel Embossed Plate | South Africa, Bahrain, Singapore, Singapore |
| Din 1.4541 Stainless Steel Grade 321 Shim Stock | Philippines, UK, Australia, Nigeria |
| 321 Stainless Steel Expanded Sheet | Oman, UAE, Hong Kong, Malaysia |
| A240 Tp 321 Bbq Plate | Chile, Singapore, Iran, Italy |
| ASTM A240 Type 321 Hairline Sheet | United Arab Emirates (UAE), Norway, Turkey, Malaysia |
| Stainless Steel 321 Design Sheet | United Kingdom -UK, Malaysia, Europe, UAE |
| 4mm Grade 321 Stainless Steel Perforated Plate | Dammam -KSA, Belgium, Philippines, Indonesia. |
| Din 1.4541 Stainless Steel Grade 321 1/4 Inch Plate | Qatar, Thailand, Europe, France. |
| A240 Tp 321 Tread Plate | Malaysia, Thailand, Germany, Czechia |
| SS 321 Diamond Plate | Finland, Bangladesh, Malaysia, USA |
| AISI 321 Patterned Sheet | Saudi Arabia (KSA), Kuwait, South Africa, Brazil |
| SA 240 Grade 321 SS Shims | Netherlands, Russia, Malaysia, Dubai |
| AISI 321 Stainless Steel Checkered Plate | Egypt, UK, Mexico, Spain |
| ASTM A240 321 Checker Plate | UK, Ellington -United States, Poland, Canada |
| SS 321 Rolls Sheet | Canada, Malaysia, Philippines, Singapore |
| AISI 321 Chequer Plate | Japan, Romania, Europe, Malaysia |
| AISI 321 Stainless Steel Rolling Plate | Sweden, China, Malaysia, Colombia |