321 Stainless Steel Pipes - Quick Section Links
321 Stainless Steel Pipes
SUS 321 Pipes are made from austenitic 18/8 stainless steel that is stabilized with titanium. This titanium content helps the pipes stay strong at high heat without losing shape or strength. Because of this, they are a top choice for jobs that face temperatures up to around 900 °C. They are widely used in cement plants, construction, sugar mills, and many other industries that deal with heat and pressure.
What are SUS 321 Pipes?
SUS 321 Pipes are stainless steel pipes that have titanium added to a basic 304 grade. The titanium stops harmful changes in the metal when it gets very hot, so the pipes hold up well in high-heat areas. These pipes are also called AISI 321 stainless steel pipe, UNS S32100 Pipes, and DIN 1.4541 Pipes, based on the standard being used.
These pipes resist rust, many organic chemicals, and cleaning solutions, which makes them safe for long-term use. They also have good forming and welding qualities and stay tough even at very low temperatures. This makes them fit for both hot and cold working conditions.
SUS 321 Pipes come in seamless, ERW, EFW, welded, and fabricated forms. They are also offered in round, square, hex, oval, hollow, and U shapes to match different needs. With their strength and steady performance, they remain a reliable pick for tough industrial work.
Why Buy 321 Stainless Steel Pipes from Leoscor Alloys
Leoscor Alloys is a leading stockist, distributor, and supplier of 321 Stainless Steel Pipes from India. With more than three decades of experience, we understand the steel industry deeply. We have huge experience of supplying to all major industries across the world. Our team of dedicated experts with stringent quality policy ensures that we supply best-in-class products meeting and exceeding our client’s expectations. Below are a few quick points about why buying from Leoscor Alloys will give you an undue advantage:
SS 321 Pipes Specifications
Standard specifications for stainless steel SS 321 Pipes. If any specification is not mentioned here, you can contact us. We also manufacture and export any custom specification as per clients requirement.
| Specifications | ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
| 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 IN |
| 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 Pipe, “U” Shape, Hydraulic Pipes |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
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


