Stainless steel 321 sheet is part of the austenitic family of stainless steel. 321 sheet is basically a 304 grade containing a stabilizer of titanium. Type 321 sheet is a good choice for applications where heat is an issue. 321 sheet can be used in applications up to 900 degrees Celsius where 304 is normally used up to 500 degrees Celsius. Grade 321 sheet has excellent forming and welding characteristics. It does not polish well so would not be used for decorative applications.
Grade 321 sheet is a modification of 321 with higher carbon content, to provide improved high-temperature strength.
A limitation with 321 sheet is that titanium does not transfer well across a high-temperature arc, so it is not recommended as a welding consumable. In this case grade 347 is preferred – the niobium performs the same carbide stabilization task but can be transferred across a welding arc. Grade 347 is, therefore, the standard consumable for welding 321. Grade 347 is only occasionally used as parent plate material.
Stainless Steel 321 Sheets in Indian as well as international market. We manufacture stainless steel sheets and plates in customize design using premium quality raw materials. We have an expert team that does their work in a proper way and produce a high-quality product in terms of usability, reliability, and longevity. We offer a wide range of sheets and plates in a variety of sizes and dimensions. These products are subjected to various tests at each stage of production.
Features
- Corrosion resistant
- High tensile strength
- Dimensional accurate and Precise design
OTHER GRADES OF STAINLESS STEEL 321 SHEETS
Stainless Steel 321 Sheets Plates |
Stainless Steel 321H Sheets Plates |
SS 321 Sheets Plates |
SS 321H Sheets Plates |
Stainless Steel 321 UNS S32100 Sheets Plates |
SS 321H UNS S32109 Sheets Plates |
Stainless Steel 321 Din 1.4541 Sheets Plates |
SS 321H Din 1.4878 Sheets Plates |

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 |
321H | min. max |
0.04 0.10 |
2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 |
– | 9.0 12.0 |
– | Ti=4(C+N) 0.70 |
347 | min. max |
0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 |
– | 9.0 13.0 |
– | Nb=10(C+N) 1.0 |
STAINLESS STEEL 321 SHEET MECHANICAL PROPERTIES
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50 mm) min | Hardness | |
---|---|---|---|---|---|
Rockwell B (HR B) max | Brinell (HB) max | ||||
321 | 515 | 205 | 40 | 95 | 217 |
321H | 515 | 205 | 40 | 95 | 217 |
347 | 515 | 205 | 40 | 92 | 201 |
EQUIVALENT GRADES FOR STAINLESS STEEL 321 SHEET
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
ASTM STAINLESS STEEL 321 SHEETSPECIFICATION
Specifications: ASTM A240, ASME SA240
Thickness: 0.1mm to 12 mm Thk
Sheet/Plate Size: 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm.
Coil Width: 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm etc.
Coil Length: 2000mm, 2440mm, 3000mm, 5800mm, 6000mm etc.
Surface: 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sandblast, Brush, etching.
Finish: Hot rolled (HR), Cold rolled (CR), SATIN (Met with Plastic Coated), Galvanized etc.
USAGE & APPLICATION OF STAINLESS STEEL 321 SHEET
Typical applications include:
- Aircraft exhaust manifolds
- Expansion joints
- Bellows
- Furnace parts
- Heating element tubing
- Heat Exchangers
- Woven or welded screens for high-temperature mineral processing
- Spiral Welded tube for burner pipes and flues
Our Overseas Dealers table
UAE, Bahrain, Italy, Indonesia, Malaysia, United States, Mexico, Jordan, Vendula, Brazil, Peru, Nigeria, Kuwait, Oman,
Thailand (Bangkok), Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa,
Kazakhstan, Saudi Arabia, Yemen, Algeria, Kenya, Sudan, Tunisia, Nepal, Bhutan, Pakistan, Bangladesh, Katand, Mozambique,
Egypt, Spain, Chile, Argentina, Tanzania, Singapore.
Our Overseas Dealers table
UAE, Bahrain, Italy, Indonesia, Malaysia, United States, Mexico, Jordan, Vendula, Brazil, Peru, Nigeria, Kuwait, Oman,
Thailand (Bangkok), Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa,
Kazakhstan, Saudi Arabia, Yemen, Algeria, Kenya, Sudan, Tunisia, Nepal, Bhutan, Pakistan, Bangladesh, Katand, Mozambique,
Egypt, Spain, Chile, Argentina, Tanzania, Singapore.
Mumbai, Delhi, Bangalore, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Nagpur, Indore, Bhopal, Visakhapatnam,
Vadodra, Nashik, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, Raipur, Mysore, Bhubaneswar, Salem, Bhilai, Bikaner
Our Domestic Supply table
Our Domestic Supply table
Mumbai, Delhi, Bangalore, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Nagpur, Indore, Bhopal, Visakhapatnam,
Vadodra, Nashik, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, Raipur, Mysore, Bhubaneswar, Salem, Bhilai, Bikaner
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