347H Stainless Steel Pipes Supplier and Exporter | UNS S34709, SUS 347H & DIN 1.4961 | Leoscor Alloy Pipes
347H Stainless Steel Pipes are high-carbon, niobium-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 347H Pipes, offering high-quality piping solutions in different sizes, wall thicknesses, schedules, and customized specifications according to industrial requirements.
SS 347H Pipes are high-carbon versions of 347 stainless steel pipes stabilized with niobium. The higher carbon content provides improved creep strength and better mechanical stability during prolonged exposure to elevated temperatures.
The addition of niobium helps prevent carbide precipitation during welding and high-temperature service, improving resistance against intergranular corrosion. These properties make 347H Stainless Steel Pipes suitable for demanding thermal and pressure applications.
The grade is internationally identified through different material designations including UNS S34709 Stainless Steel Pipes, SUS 347H Stainless Steel Pipes, and DIN 1.4961 Stainless Steel Pipes.
Leoscor Alloy Pipes supplies premium-quality Stainless Steel Pipes including 347H 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 347H Stainless Steel Pipes
| Equivalent Name | Standard / Country | Explanation |
|---|---|---|
| UNS S34709 Stainless Steel Pipes | USA (Unified Numbering System) | Material designation used for SS 347H Pipes. |
| SUS 347H Stainless Steel Pipes | Japan (JIS/SUS Standard) | Japanese designation used for SS 347H Pipes. |
| DIN 1.4961 Stainless Steel Pipes | Germany / Europe (DIN/EN Standard) | European material number for SS 347H Pipes. |
Key Benefits of 347H Stainless Steel Pipes
347H Stainless Steel Pipes supplied by Leoscor Alloy Pipes offer the following advantages:
- Excellent High-Temperature Strength: Maintains mechanical strength during prolonged exposure to elevated temperatures.
- Niobium Stabilization: Reduces carbide precipitation and improves resistance against intergranular corrosion.
- Superior Creep Resistance: Suitable for continuous high-temperature pressure applications.
- Excellent Corrosion Resistance: Performs reliably in oxidizing and corrosive environments.
- Good Weldability: Maintains stability after welding operations.
- Long Service Life: Provides reliable performance in demanding industrial conditions.
- Multiple Forms Available: Supplied in seamless, welded, ERW, EFW, and fabricated options.
SS 347H Pipes Specifications
Standard specifications for SS 347H 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 347H Pipes | 1/2″ NB – 16″ NB |
| ERW 347H Pipes | 1/2″ NB – 24″ NB |
| EFW 347H 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 |
347H 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
347H SS Pipes Chemical Composition
| Grade | 347H | |
|---|---|---|
| min | max | |
| C | 0.04 | 0.10 |
| Mn | – | 2.0 |
| Si | – | 1.00 |
| P | – | 0.045 |
| S | – | 0.030 |
| Cr | 17.0 | 19.0 |
| Mo | 3.00 | 4.00 |
| Ni | 9.0 | 13.0 |
| N | – | – |
347H SS Pipes Mechanical Properties
| Grade | 347H | |
|---|---|---|
| Tensile Strength (MPa) min | 515 | |
| Yield Strength 0.2% Proof (MPa) min | 205 | |
| Elongation (% in 50mm) min | 40 | |
| Hardness | Rockwell B (HR B) max | 92 |
| Rockwell B (HR B) max | 201 | |
SS 347H Pipes Physical Properties
| Grade | 347H | |
|---|---|---|
| Density (kg/m3) | 8000 | |
| Elastic Modulus (GPa) | 193 | |
| Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 17.2 |
| 0-3150C | 17.8 | |
| 0-5380C | 18.4 | |
| Thermal Conductivity (W/m.K) | at 1000C | 16.2 |
| at 5000C | 21.5 | |
| Specific Heat 0-1000C (J/kg.K) | 500 | |
| Electrical Resistivity (n.m) | 720 | |
Types of Stainless Steel 347H Pipes
| SS 347H Welded Pipes | 347H Stainless Steel Welded Pipes |
| Steel 347H Welded Pipes | SS 347H Seamless Pipes |
| 347H Stainless Steel Seamless Pipes | Steel 347H Seamless Pipes |
| SS 347H ERW Pipes | 347H Stainless Steel ERW Pipes |
| Steel 347H ERW Pipes | SS 347H Fabricated Pipes |
| 347H Stainless Steel Fabricated Pipes | Steel 347H Fabricated Pipes |
| SS 347H LSAW Pipes | 347H Stainless Steel LSAW Pipes |
| Steel 347H LSAW Pipes | Stainless Steel 347H Pipes |
Stainless Steel 347H Pipes Price List
Leoscor Alloys is one of the most competitive suppliers of pipes and tubes from India. Our prices for SS 347H 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 347H Stainless Steel Seamless and Welded Pipes.
Stainless Steel 347H 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 347H 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 347H 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:
- Pipes exporters to Singapore
- Pipes exporters to Malaysia
- Pipes exporters to Hongkong
- Pipes exporters to Thailand
- Pipes exporters to Indonesia
- Pipes exporters to Taiwan
