ASTM A240 AISI 321 Titanium Stabilized Cold Rolled Stainless Steel Plate and Sheet
Price:
US $2.55-4.2 / kg
MOQ:
50 kg
Delivery Time:
Negotiable
Product Description
ASTM A240 AISI 321 Stainless Steel Plate 1.4541
High-performance titanium-stabilized stainless steel designed for service in the 1000-1600°F temperature range with excellent resistance to intergranular corrosion.
Product Specifications
| Product Type | 321 Stainless Steel Sheet, 321 Stainless Steel Plate |
|---|---|
| Specification | ASTM A240 / ASME SA240 |
| Dimensions | Cold rolled: 4ft×8ft (1219×2438mm) Hot rolled: 5ft×20ft, 6ft×20ft (1500×6000mm, 1800×6000mm, 2000×6000mm) |
| Thickness | 0.6 to 80 mm |
| Width | 1219mm, 1500mm, 1800mm, 2000mm |
| Length | 2m, 2.44m, 3m, 6m or custom requirements |
| 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. |
Available Forms & Services
Forms: Plate, Sheet, Coils, Foils, Strip, Flats, Clad Plate, Plain Sheet, Rolling Sheet, Rolling Plate, Flat Shim, Flat Sheet, Shim Sheet, Rolls, Blank (Circle)
Services: Laser Cutting, bending, welding, polishing
International Grade Equivalents
SS 321, SUS 321, Inox 321, DIN 1.4541, UNS S32100, AISI 321, SAE 321 Sheet
Grade 321 / 321H Stainless Steel Technical Overview
321 stainless steel is a titanium-stabilized austenitic grade specifically designed for high-temperature service. It provides optimum resistance to intergranular corrosion and polythionic acid stress corrosion cracking in the 1000-1600°F range.
Weldability: Excellent - can be welded by all common methods including submerged arc. Recommended fillers: AWS ER347 bare wire and E347 covered electrodes.
Machinability: Rating of 45% relative to AISI B1112, similar to 304 stainless steel.
Available Product Forms
Sheet, Plate, Coil, Strip, Wire, Pipe, Tube, Bar, Profile, Round, Flat, Square, Hexagonal
Certifications & Standards
- ASTM A240, ASME SA240
- BS EN 10028-7, BS EN 10088-2, BS EN 10088-4
- EN 10088/2, EN 10088/4 with CE Marking
- NACE MR 0175/ISO 15156 Certification
Typical Applications
- Aircraft piston engine manifolds
- Expansion joints
- Firearms production
- Thermal oxidizers
- Refinery equipment
- High temperature chemical process equipment
Chemical Composition (wt%)
| Element | 321 Stainless Steel |
|---|---|
| Carbon | 0.08 |
| Chromium | 17.0-19.0 |
| Nickel | 9.0-12.0 |
| Manganese | 2.00 |
| Silicon | 0.75 |
| Nitrogen | 0.10 |
| Phosphorus | 0.045 |
| Sulfur | 0.030 |
| Titanium | 5(C+N) min / 0.70 max |
* Maximum, unless range is indicated
Mechanical Properties
| Property | 321 Stainless Steel |
|---|---|
| Yield Strength, min. (ksi) | 30 |
| Tensile Strength, min. (ksi) | 75 |
| Elongation, min. (%) | 40 |
| Hardness, max. (Rb) | 95 |
International Grade Comparison
| Grade | UNS No | British BS | Euronorm | Swedish SS | Japanese JIS |
|---|---|---|---|---|---|
| 321 | S32100 | 321S31 | 1.4541 | 2337 | SUS 321 |
| 321H | S32109 | 321S51 | 1.4878 | - | SUS 321H |
| 347 | S34700 | 347S31 | 1.4550 | 2338 | SUS 347 |
Alternative Grade Options
| Grade | Selection Criteria |
|---|---|
| 304L | When resistance to intergranular corrosion is required without high-temperature strength needs |
| 3CR12 | For mild high-temperature environments up to approximately 600°C |
| 304H | For mild high-temperature environments up to approximately 800°C |
| 310 | For operating environments up to approximately 1100°C |
| S30815 (253MA) | For operating environments up to approximately 1150°C |
Product Gallery
Additional Grades Available
201, 202, 304, 304L, 304H, 309S, 310S, 310H, 310Si2, 316L, 316Ti, 316LN, 317L, 321, 347, 409L, 410, 410S, 416, 420, 430, 431, 436L, 439, 441, 443, 444, S31803, S32750, 904L, S30815, S31254, C276, C4, 600, 625, etc.
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Get in Touch
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Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben