Stainless Steel 321 Coils Manufacturers & Supplier in India – United Stainless LLP
United Stainless LLP is a trusted Stainless Steel 321 Coils Manufacturer in India, supplying titanium-stabilized austenitic stainless steel coils with excellent resistance to intergranular corrosion and high-temperature oxidation. Stainless Steel 321 is specially designed for applications involving continuous exposure to temperatures between 450°C and 850°C, making it ideal for aerospace, heat exchangers, exhaust systems, and thermal processing equipment. We supply Stainless Steel 321 Coils in a wide range of thicknesses, widths, finishes, and hardness levels, with customization options to meet critical industrial requirements. Our quality consistency has made us a reliable Stainless Steel 321 Coils Supplier in India for domestic and global clients.
Stainless Steel 321 Coils Manufacturers in India – Description
United Stainless LLP is a leading Stainless Steel 321 Coils Manufacturer in India, producing coils that conform to ASTM, EN, JIS, and IS standards. SS 321 contains titanium, which stabilizes the alloy and prevents carbide precipitation during welding and high-temperature service. This makes it highly suitable for welded structures, pressure vessels, aircraft components, chemical processing units, and exhaust manifolds. Our Stainless Steel 321 Coils are manufactured with uniform thickness, superior flatness, smooth surface finish, and precise edge quality, making them ideal for fabrication and forming. These strengths establish us as a dependable Stainless Steel 321 Coils Supplier in India.
Best Stainless Steel 321 Coils Types We Supply
As a reputed Stainless Steel 321 Coils Supplier in India, we maintain ready stock for fast dispatch:
Stainless Steel 321 Coils Size & Specification
We supply standard and customized Stainless Steel 321 Coils to meet high-temperature and welding-intensive applications.
| Specification | Stainless Steel 321 Coils |
|---|---|
| Type | Stainless Steel Coils (Cold Rolled / Hot Rolled) |
| Standard | ASTM A240, ASTM A480, EN 10088, JIS G4305 |
| Material | Stainless Steel 321 |
| Thickness | 0.4mm – 8.0mm |
| Width | 10mm – 1550mm |
| Length | Coil Form |
| Finish | 2B, BA, No.1, No.4, HL |
| Condition | Soft Annealed, Half Hard, Full Hard |
| Edge | Mill Edge / Slit Edge |
Stainless Steel 321 Coils Chemical Composition
The chemical composition of Stainless Steel 321 ensures thermal stability and corrosion resistance.
| Grade | C | Mn | Si | P | S | Cr | Ni | Ti |
|---|---|---|---|---|---|---|---|---|
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17 – 19 | 9 – 12 | 5×C min |
Stainless Steel 321 Coils Mechanical Properties
Stainless Steel 321 Coils provide reliable mechanical performance in high-temperature environments.
| Property | Value |
|---|---|
| Density | 7.9 g/cm³ |
| Melting Point | 1400 °C |
| Tensile Strength | 515 MPa |
| Yield Strength (0.2% Offset) | 205 MPa |
| Elongation | 40% |
Stainless Steel 321 Coils Equivalent Grade
| STANDARD | WERKSTOFF NR. | EN | BS | GOST | UNS | JIS | AFNOR |
|---|---|---|---|---|---|---|---|
| SS 321 | 1.4541 | X6CrNiTi18-10 | 321S31 | 08Х18Н10Т | S32100 | SUS 321 | Z6CNT18-10 |
About Stainless Steel 321 Coils
United Stainless LLP is among the most trusted Stainless Steel 321 Coils Manufacturers in India, producing coils from premium-quality raw materials to ensure consistent thickness, smooth surface finish, and excellent weldability. Each batch is supplied with Material Test Certificates (MTC) and undergoes strict inspection. Our modern warehousing and logistics network ensures fast delivery across India and export markets.
Applications & Uses of Stainless Steel 321 Coils
Top Stainless Steel 321 Coils Brands We Deal In
Stainless Steel 321 Coils Clients & Projects
Our Stainless Steel 321 Coils are widely used in aerospace, exhaust systems, heat exchangers, chemical plants, power generation, and thermal processing industries. We are recognized as a dependable Stainless Steel 321 Coils Supplier in India.
| Product Supplied | City, States |
|---|---|
| SS 321 Coils for Heat Exchangers | Pune, Surat |
| Aerospace Grade SS 321 Coils | Bengaluru, Hyderabad |
| SS 321 Coils for Exhaust Systems | Chennai, Coimbatore |
| High-Temp SS 321 Coils for Power Plants | Mumbai, Nagpur |
Additional Information – Stainless Steel 321 Coils Supplier
- Payment Modes: LC, TT, Cheque, and others
- Packaging: Export-quality packing with moisture & edge protection (charges extra)
- Port of Dispatch: Mumbai Port, Maharashtra, India
- Tax: 18% GST
Cities We Supply Stainless Steel 321 Coils In India
United Stainless LLP supplies Stainless Steel 321 Coils to all major industrial cities in India with ready stock and fast dispatch.
| Cities we supply | |||||
|---|---|---|---|---|---|
| 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 | Ludhiana |
Countries We Export Stainless Steel 321 Coils To
United Stainless LLP is a reliable Stainless Steel 321 Coils Exporter, supplying titanium-stabilized stainless steel coils to Middle East, Europe, Africa, Southeast Asia, and North America, meeting global thermal and corrosion resistance standards.
| Countries We Supply | |||||
|---|---|---|---|---|---|
| Saudi Arabia | Oman | Kuwait | Netherlands | Iran | |
| Bahrain | Qatar | UAE | Africa | Norway | |
| Nigeria | Mexico | Canada | Venezuela | United Kingdom | |
| United States | South Africa | Malaysia | Bangladesh | Turkey | |
| Singapore | Sri Lanka | Australia | Brazil | Egypt | |








