Stainless Steel 321
Sheets & Plates
Buy Stainless Steel 321 Sheets & Plates from leading supplier in India. Heat-resistant SS 321 plates for high-temperature & industrial applications.
Standard
ASTM A240
Yield
~515 MPa
Thickness
0.1 to 100 mm
Origin
Global Supply
Stainless Steel 321 Sheet & Plate Manufacturer, Supplier & Exporter
For applications involving high temperatures, welding, and resistance to intergranular corrosion, Stainless Steel 321 Sheets & Plates are a highly reliable solution.
At United Stainless LLP, we supply premium-quality SS 321 Sheets & Plates, designed for industries where thermal stability, corrosion resistance, and long-term durability are critical.
These sheets and plates are widely used in aerospace, heat exchangers, exhaust systems, and high-temperature industrial applications.
Table of Content
- Stainless Steel 321 Sheets & Plates Specification
- Industrial Applications
- Stainless Steel 321 Sheets & Plates Brands We Deal
- Stainless Steel 321 Sheets & Plates Weight Chart
- Types of Stainless Steel 321 Sheets & Plates
- Stainless Steel 321 Sheets & Plates Grade
- Stainless Steel 321 Sheets & Plates Supplier
- Frequently Asked Questions
| Stainless Steel 321 Sheet & Plate Specification | |
|---|---|
| Specifications | SS 321 Sheet & Plate |
| Material | Stainless Steel 321 |
| UNS No. | S32100 |
| Werkstoff No. | 1.4541 |
| Standard | ASTM A240 / ASME SA240 |
| Form | Sheet, Plate, Coil, Strip, Foils |
| Thickness | 0.1mm - 100mm |
| Width | 1000 mm to 2500 mm |
| Length | 2000 mm to 6000 mm (custom up to 12000 mm) |
| Type | Hot Rolled (HR), Cold Rolled (CR) |
| Condition | Annealed |
| Finish | 2B, 2D, BA, NO.1, NO.4, NO.8, Mirror |
| Density | ~7.9 g/cm³ |
| Melting Point | 1398 – 1446°C |
| Hardness | Soft, Half Hard, Hard |
| Applications | Aerospace exhaust, heat exchangers, furnaces, expansion joints |
Chemical Composition (%)
Ti
5(C+N) – 0.70 max
C
0.08 max
Mn
2.0 max
P
0.045 max
Si
1.0 max
Cr
17.00 - 19.00
N
0.10 max
Ni
9.00 - 12.00
S
0.030 max
Cu
-
Stainless Steel 321 Sheets & Plates Mechanical Properties
Tensile Strength (MPa) min
Psi – 75000 , MPa – 515
Yield Strength 0.2% Proof (MPa) min
Psi – 30000 , MPa – 205
Elongation (% in 50mm) min
35 %
Rockwell B (HR B) max
-
Brinell (HB) max
~150 – 200 HB
Stainless Steel 321 Sheets & Plates Grades
Stainless Steel 321
Industrial Applications
Designed for high-temperature and welded applications requiring resistance to intergranular corrosion.
Offshore Oil & Gas
Critical components for subsea piping and platform structures.
Chemical Processing
Aerospace
Power Generation
High-pressure heat exchangers and flue gas desulfurization.
Top Stainless Steel 321 Sheets & Plates Brands We Deal In







Stainless Steel 321 Sheets & Plates Size Chart
Stainless Steel 321 Sheets & Plates may be customized in any thickness to meet the needs of the client; the table below shows the standard thickness of Stainless Steel 321 Sheets & Plates.
| Stainless Steel 321 Sheet & Plate Size Chart | ||||
|---|---|---|---|---|
| Form | Thickness (mm) | Width (mm) | Length (mm) | Standard Sizes |
| Sheet | 0.1 – 6 mm | 1000, 1219, 1250, 1500 | 2000, 2440, 3000 | 1000×2000, 1220×2440 (4’×8’) |
| Plate | 6 – 100 mm | 1000 – 2500 | 3000 – 6000 | 1500×3000, 2000×6000 |
| Heavy Plate | 50 – 150 mm | Up to 2500 | Up to 12000 | Custom sizes |
| Coils / Strip | 0.1 – 5 mm | 500 – 1500 | Coil form | Continuous |
Types of Stainless Steel 321 Sheets & Plates
As a leading Stainless Steel 321 Sheets & Plates Supplier, we have a large stock of Stainless Steel 321 Sheets & Plates that can be rapidly delivered to prominent Indian cities.
Stainless Steel 321 Sheets & Plates
Stainless Steel 321 Sheets & Plates
Stainless Steel 321 Sheets & Plates
Stainless Steel 321 Sheets & Plates
Stainless Steel 321 Sheets & Plates
Stainless Steel 321 Sheets & Plates
Stainless Steel 321 Sheets & Plates
Stainless Steel 321 Sheets & Plates
Have questions about Stainless Steel 321 Sheets & Plates, pricing, or specifications? Our team is here to help you with expert guidance, quick quotations, and reliable support. Reach out to us through your preferred channel and get a fast response for all your requirements.
Stainless Steel 321 Sheets & Plates Grade
Our dedication to quality guarantees that every Stainless Steel 321 Sheets & Plates meets the highest standards, establishing us as a reliable Stainless Steel 321 Sheets & Plates Manufacturer in India.
| Stainless Steel 321 Sheet & Plate Equivalent Grades | |
|---|---|
| Standard Type | Grade / Designation |
| UNS | S32100 |
| Werkstoff (EN) | 1.4541 |
| EN Designation | X6CrNiTi18-10 |
| JIS | SUS 321 |
| BS | 321S31 |
| AFNOR | Z6CNT18-10 |
| DIN | 1.4541 |
Stainless Steel 321 Sheets & Plates Price List
Explore our updated Stainless Steel 321 Sheets & Plates Price List, offering competitive and transparent pricing for premium-quality sheets and plates in various grades, sizes, and specifications.
| Stainless Steel 321 Sheet & Plate Price Chart | |
|---|---|
| Description | Price Range |
| SS 321 Sheet Price (India) | ₹220 – ₹350/kg |
| SS 321 Plate Price (India) | ₹250 – ₹400/kg |
| Thin Sheets (0.5 – 3 mm) | ₹220 – ₹300/kg |
| Medium Sheets (3 – 10 mm) | ₹250 – ₹330/kg |
| Heavy Plates (10 – 50 mm) | ₹300 – ₹450/kg |
| Cold Rolled (CR) | ₹260 – ₹350/kg |
| Hot Rolled (HR) | ₹220 – ₹300/kg |
Stainless Steel 321 Sheets & Plates Client Project Report - United Stainless LLP
Stainless Steel 321 Sheets are widely used in aerospace components, heat exchangers, offshore platforms, chemical reactors, nuclear plants, and marine engineering. We are a trusted Stainless Steel 321 Sheet Supplier in India for critical and high-temperature applications.
Additional Information – Stainless Steel 321 Sheets & Plates Manufacturer
- Payment Modes: LC, TT, Cheque, and others
- Packaging: Export-grade packing with moisture & edge protection
- Port of Dispatch: Mumbai Port, Maharashtra, India
- Tax: 18% GST.
Leading Stainless Steel 321 Sheets & Plates Supplier in listed Cities
United Stainless LLP supplies Stainless Steel 321 Sheets across all major industrial hubs in India, ensuring consistent quality, corrosion resistance, and fast delivery.
We proudly supply Stainless Steel 321 Sheets & Plates to key cities including Bengaluru, Chennai, Hyderabad, Cochin, Tiruppur, Sivakasi, Thiruvananthapuram, Vijayawada, Rajahmundry, Salem, Visakhapatnam, Mangalore, Ahmedabad, Pune, Kolkata, New Delhi, Mumbai, Jaipur, Surat, Gandhinagar, Bhiwandi, Jamnagar, Bhubaneswar, Firozabad, Bokaro Steel City, Rajkot, Bharuch, Panna, Raipur, and Ludhiana.
Our Stainless Steel 321 Sheets & Plates are widely used in industries such as oil & gas, petrochemical, marine, power generation, chemical processing, and construction, thanks to their exceptional strength, corrosion resistance, and durability in extreme environments.
Prominent Stainless Steel 321 Sheets & Plates Exporter in Listed Countries
We are a trusted exporter of Stainless Steel 321 Sheets & Plates, supplying premium quality products to clients across the Middle East, Europe, Africa, Southeast Asia, North America, and Australia while meeting international industrial and aerospace standards.
We proudly export Stainless Steel 321 Sheets & Plates to countries including Saudi Arabia, Oman, Kuwait, Netherlands, Iran, Bahrain, Qatar, UAE, Norway, Nigeria, Mexico, Canada, Venezuela, the United Kingdom, the United States, South Africa, Malaysia, Bangladesh, Turkey, Singapore, Sri Lanka, Australia, Brazil, and Egypt.
With a growing global client base and strong distribution network, United Stainless LLP continues to expand its presence across international markets by delivering reliable stainless steel solutions to major industries worldwide.
Stainless Steel 321 Sheets & Plates are widely used in oil & gas, petrochemical, marine, power generation, desalination, and chemical processing industries due to their excellent corrosion resistance, high temperature stability, strong mechanical properties, and dependable performance in demanding industrial environments.
Frequently Asked Questions – Stainless Steel 321 Sheets & Plates
Find answers to the most common questions about Stainless Steel 321 Sheets & Plates, including grades, specifications, properties, applications, and industry standards. This section helps buyers, engineers, and industry professionals make informed decisions by understanding the performance, durability, and advantages of Stainless Steel 321 Sheets & Plates in applications such as food processing, construction, chemical equipment, and general industrial use
No, it has high strength in annealed condition.
1.What is SS 321 used for?
Used in high-temperature and welded applications.
2. Is SS 321 better than 304?
Yes, for high-temperature environments.
3. Does it resist corrosion after welding?
Yes, due to titanium stabilization.
