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Duplex Steel UNS S31803 Welded Pipe Manufacturer.
WELDED: ASTM A790 Duplex S31803 Welded Pipe | ASME SA790 Duplex UNS S31803 Welded Pipe | 1/2″ SCH 40 Duplex Steel S31803 Welded Pipes
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MPJ Tubing Solutions LLP is a reputable supplier of Duplex Steel S31803 Welded Pipes, catering to the diverse needs of industries in India and beyond. These pipes are crafted in compliance with stringent ASTM A790 standards, ensuring top-tier quality and performance for a range of applications.
Featuring outer diameters from 1/8 NPS to 12 NPS (10.30 mm to 323.90 mm) and varying wall thicknesses, including Sch 5s, Sch 10s, Sch 40s, and Sch 80s, these Duplex S31803 Welded Pipes offer versatility and reliability in various industrial settings. Their exceptional durability and resistance to corrosion make them a preferred choice for critical applications.
As an Exporter of Duplex Steel S31803 Welded Pipes in Turkey, MPJ Tubing Solutions LLP is dedicated to meeting the global demand for high-quality welded pipes. Their commitment to excellence extends beyond borders, ensuring that clients worldwide benefit from their top-notch products.
These UNS S31803 Welded Pipes adhere to internationally recognized standards, including ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), and JIS (JAPAN). These certifications are a testament to the pipes’ conformity to global industry best practices, offering peace of mind to customers regarding their quality and reliability.
The pipes are known for their robust performance in challenging environments and high-pressure conditions, making them suitable for various industries. Whether for domestic use or export, MPJ Tubing Solutions LLP maintains its commitment to quality, innovation, and adherence to global standards, positioning itself as a reliable player in the industry. Their dedication to delivering products that meet or exceed industry expectations ensures their continued success in serving the needs of diverse industries.
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Duplex Steel UNS S31803 Welded 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 Welded 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 Welded Pipes Standard Specifications
Spec. No.
Title
Scope
ASTM A790
Standard Specification for Welded Ferritic/Austenitic Duplex Steel Pipe.
ASTM A790 covers Welded and straight-seam welded ferritic/austenitic duplex stainless steel pipe for general corrosive service, with particular emphasis on resistance to stress corrosion cracking.
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Size Range
- Outer Diameter: 1/8 NPS to 12 NPS ( 10.30 mm to 323.90mm )
- Wall Thickness: Sch 5s, Sch 10s, Sch 40s, Sch 80s
- Length: Up to 12mtr long
- Specifications: ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), JIS (JAPAN)
Supply Condition
- Solution Annealed & Passivated
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 Welded 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 Welded Pipe supplied.
Brand – 
Duplex UNS S31803 Welded 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 Welded Pipe Grades
UNS S31803 Duplex Steel ERW Pipes Packing & Documentation
ASTM A790 UNS S31803 Duplex Steel Welded 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 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 Welded 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 Welded Pipes.
We also confirm the guarantee of the UNS S31803 Duplex Steel Welded 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 Welded 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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