321H Stainless Steel Pipes Supplier and Exporter | UNS S32109, SUS 321H & DIN 1.4878 | Leoscor Alloy Pipes
321H Stainless Steel Pipes are high-carbon titanium-stabilized austenitic stainless steel pipes designed for high-temperature applications requiring improved strength, creep resistance, and long-term durability.
Leoscor Alloy Pipes is a trusted manufacturer, stockist, supplier, and exporter of SS 321H Pipes, offering high-quality piping solutions in different sizes, wall thicknesses, schedules, and customized specifications according to industrial requirements.
SS 321H Pipes are high-carbon versions of 321 stainless steel pipes developed for applications requiring better high-temperature strength compared with standard 321 grade. The increased carbon content improves creep strength and mechanical stability during prolonged exposure to elevated temperatures.
The addition of titanium helps prevent carbide precipitation during welding and high-temperature service, improving resistance against intergranular corrosion. These properties make 321H Stainless Steel Pipes suitable for demanding thermal and pressure applications.
The grade is internationally identified through different material designations including UNS S32109 Stainless Steel Pipes, SUS 321H Stainless Steel Pipes, and DIN 1.4878 Stainless Steel Pipes.
Leoscor Alloy Pipes supplies premium-quality Stainless Steel Pipes including 321H Stainless Steel Pipes with customized dimensions, inspection documents, and technical support. Contact us today to discuss your requirements and get a competitive quotation.
Equivalent Names of 321H Stainless Steel Pipes
| Equivalent Name | Standard / Country | Explanation |
|---|---|---|
| UNS S32109 Stainless Steel Pipes | USA (Unified Numbering System) | Material designation used for SS 321H Pipes. |
| SUS 321H Stainless Steel Pipes | Japan (JIS/SUS Standard) | Japanese designation used for SS 321H Pipes. |
| DIN 1.4878 Stainless Steel Pipes | Germany / Europe (DIN/EN Standard) | European material number for SS 321H Pipes. |
Key Benefits of 321H Stainless Steel Pipes
321H Stainless Steel Pipes supplied by Leoscor Alloy Pipes offer the following advantages:
- Excellent High-Temperature Strength: Maintains mechanical strength during prolonged heat exposure.
- Improved Creep Resistance: Suitable for applications involving continuous high-temperature operation.
- Titanium Stabilization: Helps prevent carbide precipitation and improves resistance against intergranular corrosion.
- Superior Corrosion Resistance: Provides reliable protection against oxidation and industrial corrosion.
- High Durability: Ensures long service life in demanding environments.
- Good Weldability: Suitable for fabrication and welding applications.
- Multiple Forms Available: Supplied in seamless, welded, ERW, EFW, and fabricated options.
SS 321H Pipes Specifications
Standard specifications for SS 321H 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 321H Pipes | 1/2″ NB – 16″ NB |
| ERW 321H Pipes | 1/2″ NB – 24″ NB |
| EFW 321H 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 |
321H 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
Get Quote for Your Requirement
Contact Leoscor Alloys Pipes for high quality industrial pipes and tubes. Mail- info@leoscoralloypipes.com
Types of Stainless Steel 321H Pipes
| SS 321H Welded Pipes | 321H Stainless Steel Welded Pipes |
| Steel 321H Welded Pipes | SS 321H Seamless Pipes |
| 321H Stainless Steel Seamless Pipes | Steel 321H Seamless Pipes |
| SS 321H ERW Pipes | 321H Stainless Steel ERW Pipes |
| Steel 321H ERW Pipes | SS 321H Fabricated Pipes |
| 321H Stainless Steel Fabricated Pipes | Steel 321H Fabricated Pipes |
| SS 321H LSAW Pipes | 321H Stainless Steel LSAW Pipes |
| Steel 321H LSAW Pipes | Stainless Steel 321H Pipes |
321H SS Pipes Chemical Composition
| Grade | 321H | |
|---|---|---|
| min | max | |
| C | 0.04 | 0.10 |
| Mn | – | 2.0 |
| Si | – | 0.75 |
| P | – | 0.045 |
| S | – | 0.030 |
| Cr | 17.0 | 19.0 |
| Mo | – | – |
| Ni | 9.0 | 12.0 |
| N | – | – |
321H SS Pipes Mechanical Properties
| Grade | 321H | |
|---|---|---|
| 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 321H Pipes Physical Properties
| Grade | 321H | |
|---|---|---|
| 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 321H Pipes Equivalent Grades
| Grade | 321H | |
| UNS No | S32109 | |
| Old British | BS | 321S51 |
| En | – | |
| Euronorm | No | 1.4878 |
| Name | X10CrNiTi18-10 | |
| Swedish SS | – | |
| Japanese JIS | SUS 321H | |
Stainless Steel 321H Pipes also known as
Stainless Steel TP 321H Square Pipes, ASME SA213 321H SS Rectangular Pipes, 321H SS Cold Rolled Pipes Exporter, SS 321H Hollow Pipes, 321H Steel Hexagonal Pipes, ASME SA312 Stainless Steel 321H Cold Drawn Pipes Supplier,AISI / JIS Stainless Steel 321H Pipes, ASTM A213 SS 321H Round Pipes Manufacturer, ASTM A 312 SS TP 321H ERW Pipe, SS 321H Welded Pipe, TP 321H SS EFW Pipes Exporter
Stainless Steel 321H Pipes Price List
Leoscor Alloys is one of the most competitive suppliers of pipes and tubes from India. Our prices for SS 321H 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 321H Stainless Steel Seamless and Welded Pipes.
Stainless Steel 321H 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 321H 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 321H 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:
- 321H SS Pipes exporters to Singapore
- 321H SS Pipes exporters to Malaysia
- 321H SS Pipes exporters to Hongkong
- 321H SS Pipes exporters to Thailand
- 321H SS Pipes exporters to Indonesia
- 321H SS Pipes exporters to Taiwan
- 321H SS Pipes exporters to Turkey
- 321H SS Pipes exporters to Qatar
- 321H SS Pipes exporters to Oman
- 321H SS Pipes exporters to Bahrain
- 321H SS Pipes exporters to Jordan
- 321H SS Pipes exporters to Egypt
- 321H SS Pipes exporters to Italy
- 321H SS Pipes exporters to South Africa
