With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
Duplex Steel UNS S31803 Welded Coil Tubing Manufacturer.
Welded: ASTM A789 Duplex S31803 Welded Coil Tubing | ASME SA789 Duplex UNS S31803 Welded Coil Tubing | 1/2″ SCH 40 Duplex Steel S31803 EFW Coil Tubing
Duplex UNS S31803 Welded Coil Tubing, ASTM A789 Duplex Steel S31803 Welded Coil Tubing, UNS S31803 Duplex Steel EFW Coil Tubing, Duplex Steel S31803 Welded Coil Tubo, ASME SA789 Duplex Steel S31803 Welded Coil Tubing Manufacturer in India, Duplex S31803 ERW Coil Tubing Supplier in Qatar, UNS S31803 EFW Coil Tubing Exporter in Australia.
MPJ Tubing Solutions LLP stands at the forefront of manufacturing and exporting Duplex Steel S31803 Welded/EFW Coil Tubing, in strict adherence to the exacting standards of ASTM A789. These welded coil tubes have carved a niche for themselves in various industrial sectors, making them an integral part of critical applications worldwide.
The outer diameter of these Duplex Steel S31803 EFW Coil Tubes ranges from 1/8 to 1/2 inches, and they boast a wall thickness varying from 0.70 mm to 2.00 mm. One standout feature of these coil tubes is their impressive length capacity, extending up to an astonishing 6000 feet (1830 meters). Such extended lengths minimize the need for joints and connections, which is particularly advantageous in applications where reliability is of paramount importance.
Duplex Steel, a combination of austenitic and ferritic steel, is renowned for its exceptional corrosion resistance and robust mechanical properties. It offers resistance to a wide range of corrosive environments, making it the preferred choice for applications that demand protection against pitting, crevice corrosion, and stress corrosion cracking.
MPJ Tubing Solutions LLP takes pride in its commitment to quality and adheres to international specifications, including ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), and JIS (JAPAN). This ensures that customers receive UNS S31803 Welded Coil Tubing that meets or exceeds the industry’s stringent standards.
As a reputed manufacturer and exporter, MPJ Tubing Solutions LLP has established a strong presence in both the domestic and international markets. Their reputation is built on unwavering dedication to excellence, precision engineering, and a customer-centric approach that places client needs at the forefront.
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Duplex Steel UNS S31803 Welded Coil Tubing Chemical Composition
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | N |
|---|---|---|---|---|---|---|---|---|---|
| S31803 | 0.030 max | 2.00 max | 0.030 max | 0.020 max | 1.00 max | 4.5 – 6.5 | 21.0 – 23.0 | 2.5 – 3.5 | 0.08 – 0.20 |
UNS S31803 EFW Coil Tubing Mechanical Properties
| Grade | Tensile Strength min, Ksi (MPa) | Yield Strength min, Ksi (MPa) | Hardness, max | Elongation (% in 50mm) min | |
|---|---|---|---|---|---|
| Brinell | Rock-well Well C | ||||
| S31803 | 90 (620) | 65 (450) | 290 | 30.5 | 25 |
Duplex Steel UNS S31803 Welded Coil Tubing Standard Specifications
Spec. No.
Title
Scope
ASTM A789
Standard Specification for Welded Ferritic/Austenitic Duplex Steel Tubing for General Service.
ASTM A789 /A789M Covers Grades of nominal wall thickness, Duplex Steel Tubing for services requiring general corrosion resistance.
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Size Range
- Outer Diameter: 1/8 to 1 in.
- Wall Thickness: 0.50 mm – 2.0 mm
- Length: upto 6000 ft. (1830 Mtrs)
- 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.
- Closer Dimensional Tolerance & higher Corrosion Resistance etc.
- We offer customized cut Length to save time of our customers.
Duplex S31803 Steel Welded Coil Tubing 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 Coil Tubing supplied.
Brand – 
Duplex UNS S31803 Welded Coil 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 UNS S31803 Duplex EFW Coil Tubing and supported with the Material Test Report. It is 100% traceable to our mill.
Available Duplex Steel Welded Coil Tubing Grades
UNS S31803 Duplex Steel EFW Coil Tubing Packing & Documentation
ASTM A789 UNS S31803 Duplex Steel Welded Coil Tubing 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 EFW Coil Tubing 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 ERW Coil Tubing 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 Coil Tubings.
We also confirm the guarantee of the UNS S31803 Duplex Steel Welded Coil Tubing 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 Coil Tubing 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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