321 Stainless Steel Plate
1. Standard: ASTM A240 / ASME SA240
2. Thickness: 0.1mm-100mm
3. Width: 10-2500mm
4. Length: 1000-6000mm or as required
321 stainless steel plate is a titanium stabilized version of grade 304. SS 321 plate can be used in applications up to 900°C, while 304 is usually used in applications up to 500°C. And it has higher creep and stress rupture properties than alloy 304. ASTM A240 UNS S32100 plate contains at least five times more titanium than carbon to overcome the sensitization tendency during welding. Therefore, it has excellent forming and welding properties, such as being able to be processed into steel pipes, fittings, fasteners, flanges, etc. Contact us for a free quote!
ASTM A240 321 Steel Plate Application：
- Chemical equipment
- Heat exchangers
- Automotive exhaust systems
- Wastewater treatment
- Food processing equipment
- Power generation
- Medical equipment
321 Stainless Steel Plate Specification
| Specification | ASTM A240, ASME SA 240 |
|---|---|
| 321 material Dimensions |
Cold rolled 0.5-6.4 mm Hot rolled 3.0–10.0 mm |
| Thickness | 0.1 to 100 mm Thk |
| Width | 10-2500mm |
| Length | 2m, 2.44m, 3m, or as required |
| Finish | SATIN, 2B, 2D, BA, NO (8), No.1,, No.4, BA, 8K, hairline, brush, mirror etc. |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard |
| 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 Snnealed, Descaled, Tread Plate, Checker Plate |
| Equivalent Grades | SUS 321, Inox 321, DIN 1.4541, SAE 321 |
ASTM A240 321 Stainless Steel Sheet Thickness Chart
|
Cold rolled 321 Stainless Steel thin plate |
0.2-4mm |
|
Hot rolled 321 SS medium plate |
4-20mm |
|
Hot rolled 321 thick plate |
20-60mm |
|
Hot rolled SA 240 321 extra thick plate |
60-115mm |
ASTM A240 UNS S32100 plates Chemical Composition
| Grade | C | N | Ni | Si | P | S | Mn | Cr | TI | |
| Alloy 321 | Min | - | - | 9.00 | - | - | - | - | 17.0 | 5(C+N) |
| max | 0.08 | 0.10 | 12.00 | 1.00 | 0.045 | 0.030 | 2.00 | 19.0 | 0.70 max |
SS 321 Plate Mechanical Properties
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| AISI 321 | 515 | 40 | 205 | 95 | 217 |
Why choose us?
- MTR (Material Test Report) EN10204
- PMI Test reports
- Chemical Analysis Tests
- Tension Tests and hardness test
- Yield strength Tests
- Hydrostatic or Nondestructive Electric Tests
- SGS third-party certification
FAQ
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