With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
Duplex Steel S31803 EFW Pipe Manufacturer.
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MPJ Tubing Solutions LLP, a renowned name in the industry, specializes in manufacturing and exporting high-quality Duplex Steel S31803 EFW Pipes. These Electric Fusion Welded (EFW) pipes adhere to the strict standards set by ASTM A358, ensuring reliability and durability in various applications.
Featuring outer diameters ranging from 5 NPS to 46 NPS (141.30 mm to 249.87 mm) and available in different wall thicknesses, including Sch 5s, Sch 10s, and Sch 40s, these EFW pipes are versatile and cater to diverse industrial sectors.
While the specific grade of Duplex Steel may vary based on project requirements, MPJ Tubing Solutions LLP consistently follows ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), and JIS (JAPAN) specifications to maintain exceptional product quality. Duplex Steel S31803 is known for its outstanding corrosion resistance, high tensile strength, and robustness, making it an ideal choice for challenging environments.
MPJ Tubing Solutions LLP has garnered a strong reputation for producing top-notch Duplex Steel S31803 EFW Pipes that often surpass international standards. These pipes are recognized for their ability to endure harsh conditions and deliver consistent performance over extended periods.
As an esteemed manufacturer, MPJ Tubing Solutions LLP plays a vital role in the growth of the Duplex UNS S31803 EFW Pipe market, particularly in Japan. Their unwavering commitment to excellence, rigorous quality control measures, and strict adherence to international standards make them the preferred supplier for customers seeking dependable and long-lasting piping solutions.
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Duplex Steel UNS S31803 EFW Pipe Chemical Composition
| Grade | C | Mn | P | Si | S | Cr | Mo | N |
|---|---|---|---|---|---|---|---|---|
| S31803 | 0.030 max | 2.00 max | 0.030 max | 1.00 max | 0.020 max | 21.0 – 23.0 | 2.5 – 3.5 | 0.08 – 0.20 |
UNS S31803 EFW Pipes Mechanical Properties
| Grade | Tensile Strength min, Ksi (MPa) | Yield Strength min, Ksi (MPa) | Hardness, max | Elongation (% in 50mm) min | |
|---|---|---|---|---|---|
| HBW | HRC | ||||
| S31803 | 90 (620) | 65 (450) | 290 | 30 | 25 |
Duplex Steel UNS S31803 EFW Pipes Standard Specifications
Spec. No.
Title
Scope
ASTM A358
Standard Specification for EFW Ferritic/Austenitic Duplex Steel Pipe.
ASTM A358/A358M – Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Duplex Steel Pipe for High-Temperature Service and General Applications.
Let’s discuss about your ongoing project
Size Range
- Outer Diameter: 5 NPS to 46 NPS ( 141.30 mm to 249.87 mm )
- Wall Thickness: Sch 5s, Sch 10s, Sch 40s
- Length: Up to 12mtr long
- Specifications: ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), JIS (JAPAN)
Features
- Ability to supply tubes with stringent NDT Testing, Special Chemistry, Lower Residual Stress values.
- Closer Dimensional Tolerance & higher Corrosion Resistance etc.
- We offer customized cut Length to save time of our customers.
Duplex S31803 Steel EFW Pipe 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 UNS S31803 Duplex Steel EFW Pipe supplied.
Brand – 
Duplex UNS S31803 EFW Pipe 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 UNS S31803 Duplex Pipe and supported with the Material Test Report. It is 100% traceable to our mill.
Available Duplex Steel EFW Pipe Grades
UNS S31803 Duplex Steel EFW Pipes Packing & Documentation
ASTM A358 UNS S31803 Duplex Steel EFW Pipes 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. Duplex Steel S31803 Electric Fusion Welded Pipe 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 S31803 Duplex Steel EFW Pipe 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 Duplex Steel UNS S31803 EFW Pipes.
We also confirm the guarantee of the UNS S31803 Duplex Steel EFW Pipes 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.
UNS S31803 Duplex Steel EFW Pipe 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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