The SS 321 rod is a titanium-stabilized austenitic stainless steel product widely used in industries that require strong resistance to heat, oxidation, and corrosion. Due to its unique metallurgical composition, the stainless steel 321 rod offers excellent stability in high-temperature environments and prevents carbide precipitation during welding.
Industries such as aerospace, petrochemical processing, power generation, and thermal equipment manufacturing rely on the 321 rod for its durability and long service life. Suppliers that maintain large stocks of SS 321 rod can efficiently support both bulk and retail requirements while ensuring quick delivery and consistent product quality.
Because of this stabilization, the stainless steel 321 rod performs exceptionally well in applications where materials are subjected to temperatures between 427°C and 816°C. The 321 rod is therefore commonly used in components exposed to prolonged heat and welding operations.
Chemical Properties of SS 321 Rods:
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤0.08 |
| Silicon (Si) | ≤0.75 – 1.00 |
| Manganese (Mn) | ≤2.00 |
| Phosphorus (P) | ≤0.045 |
| Sulfur (S) | ≤0.030 |
| Chromium (Cr) | 17.00 – 19.00 |
| Nickel (Ni) | 9.00 – 12.00 |
| Nitrogen (N) | ≤0.10 |
| Titanium (Ti) | 5×(C+N) min, ≤0.70 |
| Iron (Fe) | Balance |
Mechanical Properties of Stainless Steel 321 Rods:
| Property | Value (Min) |
|---|---|
| Tensile Strength | 515-720 MPa |
| Yield Strength (0.2%) | 205-276 MPa |
| Elongation | 40-45% (in 50mm) |
| Hardness (Brinell) | ≤217 HB max |
| Reduction of Area | ~50% |
Physical Properties of 321 SS Rods:
| Property | Value |
|---|---|
| Density | 7.9-8.0 g/cm³ |
| Melting Range | 1399-1446°C |
| Thermal Expansion (100°C) | 16.6 × 10⁻⁶ /K |
| Thermal Conductivity (100°C) | 16.1 W/m·K |
| Specific Heat (100°C) | 500 J/kg·K |
| Electrical Resistivity (20°C) | 720 nΩ·m |
| Modulus of Elasticity (20°C) | 193 GPa |
Product Specifications:
| Property | Details |
|---|---|
| Product | Stainless Steel 321 Rods |
| Length | 6 meters long Single Pipe |
| Diameter | 3mm up to 520mm |
| Surface Finish | Black, Bright, Annealed & Pickled |
| Min. Order Quantity | 200 Kgs |
Primary Applications of 321 Rods:
- Aerospace & Aircraft: Exhaust manifolds, engine parts, and afterburners.
- Automotive & Exhaust Systems: Mufflers, catalytic converters, and high-temperature piping.
- Boilers & Power Plants: Superheater tubes, boiler tubes, and heat-exchanger components.
- Chemical & Petrochemical: Welded reactors, distillation columns, and piping handling hot acids.
- Food Processing & Dairy: High-temperature equipment requiring frequent welding and sanitization.
- Oil Refineries & Thermal Processing: Furnace parts, radiant tubes, and expansion joints.
Don’t let your project fail at the weld point. Choose a material that is stabilized for the toughest conditions on earth. As a world-class Stainless steel 321 rod manufacturer, we offer the inventory depth and technical expertise to keep your business moving forward.
From bulk orders to retail necessities, at Salem Stainless Steel Suppliers Pvt. Ltd., we ensure 100% buyer satisfaction with every 321 rod we ship. Contact us today for a straightforward quote and experience the speed of a true industry leader.
Countries We Export
Macau, Philippines, Estonia, Slovakia, India, Switzerland, France, Gambia, United States, Nepal, Iran, Australia, Thailand, Gabon, Zimbabwe, Bangladesh, Angola, Lithuania, Kuwait, Kazakhstan, Trinidad & Tobago, Puerto Rico, Singapore, Mexico, Azerbaijan, Brazil, Bulgaria, United Arab Emirates, Tibet, Greece, South Africa, Afghanistan, Sri Lanka, Italy, China, Serbia, Turkey, Mexico, Bolivia, Peru, Chile, Belarus, Yemen, Namibia, Qatar, Algeria, Libya, Nigeria, Japan, Poland, Austria, Bhutan, Nigeria, Portugal, Czech Republic, Croatia, Jordan, Hungary, Finland, Pakistan, Spain, South Korea, Ecuador, Denmark, Canada, Kenya, Saudi Arabia, Vietnam, Sweden, Malaysia, Bahrain, Costa Rica, Venezuela, Israel, Netherlands, United Kingdom, New Zealand, Russia, Morocco, Poland, Indonesia, Hong Kong, Egypt, Oman, Norway, Chile, Iran, Lebanon, Taiwan, Ghana, Romania, Mongolia, Ukraine, Colombia, Tunisia, Ireland, Iraq, Belgium, Argentina, Germany.
Cities We Supply
Calgary, Al Jubail, Hong Kong, Bhopal, Jeddah, Toronto, Ulsan, Aberdeen, Thiruvananthapuram, Petaling Jaya, Nashik, Houston, Montreal, Cairo, Ernakulam, Atyrau, Karachi, Haryana, Istanbul, Jakarta, Sharjah, Nagpur, Dallas, Ranchi, Algiers, Doha, Santiago, Geoje-si, Singapore, Chennai, Jamshedpur, Perth, New Delhi, Tehran, Vadodara, New York, Caracas, Ahmedabad, Edmonton, Kanpur, Busan, Mumbai, Secunderabad, Bengaluru, Kolkata, Pimpri-Chinchwad, Manama, Vung Tau, Melbourne, Bangkok, Colombo, Ankara, Bogota, Sydney, Milan, Port-of-Spain, Abu Dhabi, Thane, Ahvaz, Visakhapatnam, Rajkot, Jaipur, Indore, Kuwait City, Gurgaon, Baroda, Navi Mumbai, La Victoria, Surat, Ludhiana, Lahore, Hanoi, Riyadh, Faridabad, Hyderabad, Coimbatore, Mexico City, Dubai, Al Khobar, Rio de Janeiro, Pune, Chiyoda, Moscow, Lagos, London, Madrid, Granada, Ho Chi Minh City, Brisbane, Chandigarh, Seoul, Courbevoie, Los Angeles, Gimhae-si, Dammam, Howrah, Muscat, Noida, Kuala Lumpur, Pondicherry, Tamil Nadu.
