321 Stainless Steel Pipes Supplier and Exporter | Leoscor Alloy Pipes
SUS 321 Pipes supplied by Leoscor Alloy Pipes are titanium-stabilized austenitic stainless steel pipes designed for applications requiring excellent heat resistance, corrosion resistance, and long-term durability. These pipes are suitable for high-temperature environments where regular stainless steel grades may lose strength or stability.
321 Stainless Steel Pipes are made from an 18/8 chromium-nickel stainless steel grade with titanium addition. The titanium stabilization helps prevent carbide precipitation during high-temperature exposure, allowing the pipes to maintain their mechanical properties and corrosion resistance.
Leoscor Alloy Pipes is a trusted manufacturer, stockist, and exporter of SUS 321 Pipes supplied in seamless, ERW, EFW, welded, and fabricated forms. Our pipes are available in customized sizes, shapes, and specifications to meet different industrial requirements.
SUS 321 Pipes are titanium-stabilized stainless steel pipes developed from the 304 stainless steel grade. The addition of titanium improves resistance against intergranular corrosion and helps maintain strength during prolonged exposure to elevated temperatures.
Also known as AISI 321 Stainless Steel Pipes, UNS S32100 Pipes, and DIN 1.4541 Pipes, these pipes are widely used in industries where heat resistance, corrosion protection, and reliable performance are required.
Equivalent Names of 321 Stainless Steel Pipes
| Equivalent Designation | Explanation |
|---|---|
|
UNS S32100 Pipes |
UNS S32100 is the unified numbering system designation for titanium-stabilized 321 stainless steel pipes used for high-temperature applications. |
| AISI 321 Stainless Steel Pipes | AISI 321 is a commonly used designation for chromium-nickel stainless steel pipes with titanium stabilization. |
| DIN 1.4541 Pipes | DIN 1.4541 is the European standard designation for titanium-stabilized stainless steel pipes designed for heat-resistant applications. |
Key Benefits of 321 Stainless Steel Pipes
321 Stainless Steel Pipes supplied by Leoscor Alloy Pipes offer the following advantages:
- Excellent High-Temperature Performance: Maintains strength and stability during prolonged heat exposure.
- Titanium Stabilization: Helps prevent carbide precipitation and improves resistance against intergranular corrosion.
- Superior Corrosion Resistance: Performs well against oxidation, organic chemicals, and corrosive environments.
- Good Weldability: Suitable for fabrication and welding operations.
- High Durability: Provides long service life in demanding industrial conditions.
- Wide Temperature Capability: Performs effectively in both high-temperature and cryogenic applications.
- Multiple Configurations: Available in seamless, welded, ERW, EFW, and fabricated forms.
SS 321 Pipes Specifications
Standard specifications for SS 321 Pipes. If any specification is not mentioned here, you can contact us. We also manufacture and export custom specifications as per client’s requirements.
| Specifications | Details |
|---|---|
| Specifications | ASTM A312 / ASME SA312, ASTM A358 / ASME SA358 |
| Dimensions | ASTM, ASME and API |
| SS 321 Pipes | 1/2″ NB – 16″ NB |
| ERW 321 Pipes | 1/2″ NB – 24″ NB |
| EFW 321 Pipes | 6″ NB – 100″ NB |
| Size | 1/8″ NB to 30″ NB |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round Pipes, Custom Pipes, Square Pipes, Rectangular Pipes, “U” Shape, Hydraulic Pipes |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End, Threaded |
Types of Stainless Steel 321 Pipes
| SS 321 Welded Pipes | 321 Stainless Steel Welded Pipes |
| Steel 321 Welded Pipes | SS 321 Seamless Pipes |
| 321 Stainless Steel Seamless Pipes | Steel 321 Seamless Pipes |
| SS 321 ERW Pipes | 321 Stainless Steel ERW Pipes |
| Steel 321 ERW Pipes | SS 321 Fabricated Pipes |
| 321 Stainless Steel Fabricated Pipes | Steel 321 Fabricated Pipes |
| SS 321 LSAW Pipes | 321 Stainless Steel LSAW Pipes |
| Steel 321 LSAW Pipes | Stainless Steel 321 Pipes |
321 SS Pipes Chemical Composition
| Grade | 321 | |
|---|---|---|
| min | max | |
| C | – | 0.08 |
| Mn | – | 2.0 |
| Si | – | 0.75 |
| P | – | 0.045 |
| S | – | 0.030 |
| Cr | 17.0 | 19.0 |
| Mo | – | – |
| Ni | 9.0 | 12.0 |
| N | – | 0.10 |
321 SS Pipes Mechanical Properties
| Grade | 321 | |
|---|---|---|
| Tensile Strength (MPa) min | 515 | |
| Yield Strength 0.2% Proof (MPa) min | 205 | |
| Elongation (% in 50mm) min | 40 | |
| Hardness | Rockwell B (HR B) max | 95 |
| Rockwell B (HR B) max | 217 | |
SS 321 Pipes Physical Properties
| Grade | 321 | |
|---|---|---|
| Density (kg/m3) | 8027 | |
| Elastic Modulus (GPa) | 193 | |
| Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 16.6 |
| 0-3150C | 17.2 | |
| 0-5380C | 18.6 | |
| Thermal Conductivity (W/m.K) | at 1000C | 16.1 |
| at 5000C | 22.2 | |
| Specific Heat 0-1000C (J/kg.K) | 500 | |
| Electrical Resistivity (n.m) | 720 | |
SS 321 Pipes Equivalent Grades
| Grade | 321 | |
| UNS No | S32100 | |
| Old British | BS | 321S31 |
| En | 58B, 58C | |
| Euronorm | No | 1.4541 |
| Name | X6CrNiTi18-10 | |
| Swedish SS | 2337 | |
| Japanese JIS | SUS 321 | |
Stainless Steel 321 Pipes also known as
AISI / JIS SS 321 Pipe Exporter, TP 321 Stainless Steel Square Pipes, ASME SA312 SS 321 Round Pipe, SS 321 Rectangular Pipes, SS 321 Hollow Pipe, 321 Steel Hexagonal Pipe Manufacturer, SS 321 Welded Pipe, ASTM A312 SS TP 321 ERW Pipe, SS TP 321 EFW Pipes, ASME SA312 Stainless Steel 321 Cold Finished Pipe, ASTM A 312 321 SS Cold Rolled Pipes Exporter, Supplier
Stainless Steel 321 Pipes Price List
Leoscor Alloys is one of the most competitive suppliers of pipes and tubes from India. Our prices for SS 321 Pipes are very competitive.
Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. Leoscor Alloys maintains a stock of all standard items and can export them at best price for 321 Stainless Steel Seamless and Welded Pipes.
321 SS Pipes - Industries & Applications
Our pipes and tubes are used in a wide range of applications and various industries. Below are a few of them:
- Gas Processing Industries
- Petrochemical Industries
- Power Generation Industries
- Food Processing Industries
- Chemical Industries
- Oil & Gas Industries
- Fertilizers Industries
- Sugar Industries
Stainless Steel 321 Pipes Stock Availability
We maintain huge inventories of all standard sizes and grades. Please send us your complete requirement and we will send you the availability with the best quote for Stainless Steel 321 Pipes.
- Huge inventory of all standard sizes and grades.
- Distributors of all reputed origins and manufacturers.
- Strict quality control policies and highly experienced team.
- Strong logistics & delivery channels.
- Modern Infrastructure with huge storage capacity.
- An ISO 9000:2015 Certified Company.
Prominent Countries where we export 321 SS Pipes
Exporting Pipes & Tubes to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countires includes Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, South Korea, South Africa, Sri Lanka, Syria, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen.
We are one of the top:
- 321 SS Pipes exporters to Singapore
- 321 SS Pipes exporters to Malaysia
- 321 SS Pipes exporters to Hongkong
- 321 SS Pipes exporters to Thailand
- 321 SS Pipes exporters to Indonesia
- 321 SS Pipes exporters to Taiwan
- 321 SS Pipes exporters to Turkey
- 321 SS Pipes exporters to Qatar
- 321 SS Pipes exporters to Oman
- 321 SS Pipes exporters to Bahrain
- 321 SS Pipes exporters to Jordan
- 321 SS Pipes exporters to Egypt
- 321 SS Pipes exporters to Italy
- 321 SS Pipes exporters to South Africa
