With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
Stainless Steel 347/347h Welded U Tube Manufacturer.
WELDED: DIN 1.4550 U Tube | UNS S34700 U Tube | JIS SUS 347 U Tube | ASTM A249 TP347 U Tube | ASME SA249 SS 347h U Tube | DIN 1.4961 U Tube | UNS S34709 U Tube
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“MPJ Tubing Solutions LLP, a reputable manufacturer and exporter, specializes in the production of Stainless Steel 347/347H Welded U Tubes, meticulously following the stringent ASTM A249 standards. These welded U tubes are expertly designed to cater to the diverse requirements of industries seeking exceptional corrosion resistance and durability. Crafted from stainless steel, specifically grade 1.4550 (commonly known as SS 347), these tubes exhibit exceptional performance characteristics.
The ASTM A249 TP347 SS Welded U Tubes provided by MPJ Tubing Solutions LLP are engineered to deliver outstanding results. With an outer diameter ranging from 12.70 mm OD to 50.80 mm OD and a wall thickness varying from 0.71 mm to 5.0 mm, these tubes are versatile and ideal for a wide range of applications. Their extensive length capacity, extending up to 30 meters, ensures adaptability and convenience across diverse projects.
MPJ Tubing Solutions LLP strictly adheres to international standards such as ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), and JIS (JAPAN), ensuring that their Stainless Steel 347H Welded U Tubes meet the highest quality benchmarks. This dedication to precision and excellence makes their products an excellent choice for critical applications in industries like petrochemicals, power generation, and more.
As a trusted exporter based in Mexico, MPJ Tubing Solutions LLP has earned a reputation for delivering premium stainless steel products, including welded U tubes, to customers globally. Their unwavering commitment to quality, innovation, and customer satisfaction sets them apart in the competitive market. Whether you require Stainless Steel 347/347H Welded U Tubes for domestic use or international projects, MPJ Tubing Solutions LLP is the reliable partner known for delivering precision-engineered solutions to meet your specific requirements”
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Stainless Steel 347/347h Welded U Tube Chemical Composition
| Grade | Range | Ni | C | Cr | Mn | Si | P | S |
|---|---|---|---|---|---|---|---|---|
| 347 | Min. | 9.0 | – | 17.0 | – | – | – | – |
| Max. | 13.0 | 0.08 | 20.0 | 2.00 | 1.00 | 0.040 | 0.030 | |
| 347H | Min. | 9.0 | 0.04 | 17.0 | – | – | – | – |
| Max. | 13.0 | 0.10 | 19.0 | 2.00 | 1.00 | 0.045 | 0.030 |
SS 347/347h Welded U Tubes Mechanical Properties
| Grade | Tensile Strength min (MPa) | Yield Strength 0.2% Proof min (MPa) | Hardness | Elongation (% in 50mm) min | |
|---|---|---|---|---|---|
| Brinell max (HB) | Rockwell B max (HR B) | ||||
| 347/347h | 515 | 205 | 201 | 92 | 40% |
SS ASTM A249 TP347h Welded U Tubing Equivalent Grades
| Grade | UNS No | Old British | Euronorm | Japanese JIS | Swedish SS | GOST | ||
|---|---|---|---|---|---|---|---|---|
| BS | En | No | Name | |||||
| 347 | S34700 | 347S31 | – | 1.4550 | X6CrNiNb18-10 | SUS 347 | 2338 | 08Ch18N12B |
| 347h | S34709 | – | – | 1.4961 | – | SUS 347h | – | – |
347/347h Stainless Steel Welded U Tubes Standard Specifications
Spec. No.
Title
Scope
ASTM A249
Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes.
ASTM A249 / A249M Covers nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from the austenitic steels listed in standard.
Let’s discuss about your ongoing project
Size Range
- Outer Diameter: 12.70 mm to 50.80 mm
- Wall Thickness: 0.71 mm – 5.0 mm
- Length: Up to 30mtr long
- Specifications: ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), JIS (JAPAN)
Supply Condition
- Bright Annealed / Solution Annealed & Passivated
Features
- Ability to supply tubes with stringent NDT Testing, Special Chemistry, Lower Residual Stress values.
- OD Polishing : Grit Polish from 120 to 600.
- Closer Dimensional Tolerance & higher Corrosion Resistance etc.
347/347h SS Welded U Tube Quality Control
To ensure a quality product, MPJ is holding certificate ISO 9001:2015, ISO 45001, OHSAS 14001, & CE-PED. We are also members of various renowned agencies and Chambers of Commerce including MASSMA, EEPC, FICCI, FIEO, Indian Merchants Chamber, etc. With state-of-the-art manufacturing processes, contemporary technologies, and proficient services, we consider: offering the finest quality, best in class products. Compliance with specifications as per standards, Outer Diameter, Thickness, Inside Diameter, Inside Finish, Marking, Ends, and Finishing. This ensures that we never face a rejection of the Stainless Steel 347h Welded U Tube supplied.
Brand – 
SS 347 Welded U Tubing are marked in requirement of the international standards.
Format: ” BRAND-SIZE-SPECIFICATION-GRADE-HEAT NUMBER-LOT NUMBER “
This marking helps for the identification of the Welded U Tube and supported with the Material Test Report. It is 100% traceable to our mill.
Available Stainless Steel Welded U Tubing Grades
Stainless Steel 347 ERW U Tubes Packing & Documentation
ASTM A249 TP347h Welded U Tubes are surface wash and clean to remove all impurities and stock in the warehouse. Then it is wrapped in thin plastic and also it ends are protected by plastic caps to avoid any damage in transit. Stainless Steel 347 Welded U Tube is bundled in bubble wrap followed by assorting them in colored plastic bundles. An outer rope is tied to protect the tubing and they are packed in wooden box or container.
MPJ Provide Stainless Steel 347 Welded U Tube and SS 347h Welded U Tubes with all necessary documents such as commercial invoice, packing list, Test Reports, HS Code, Country of Origin attested by the chamber of commerce, Fumigation Certificate, Warranty Letter, and Base Material Certificates. Every lot is supplied with a material test certificate as per EN 10204 NACE 3.1 standards indicating the chemical and mechanical properties of the SS 347h Welded U Tubes.
We also confirm the guarantee of the 347 SS Welded U Tubes supplied as per Purchase order specifications and attest the same in the Material Test Certificate. We also welcome any third party inspection from an agency nominated by the customer to comply with NACE 3.2 Certification if required by the customer at an extra cost.
SS 347/347h Welded U Tube Application Industries
- Oil & Gas Exploration
- Petrochemicals and Refineries
- Cross Country Pipe Line for Gas & Water
- Pipes for Engineering purpose
- Thermal, Nuclear and Solar Power Plants
- Desalination Plants
- Chemical Industries
- Aerospace
- Atomic Energy
- Pharmaceutical
- Food and Dairy
- Automobile
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