With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
Duplex Steel UNS S31803 Seamless Coiled Tube Manufacturer.
Seamless: ASTM A789 Duplex S31803 Seamless Coiled Tube | ASME SA789 Duplex UNS S31803 Seamless Coiled Tube | 1/2″ SCH 40 Duplex Steel S31803 Seamless Coiled Tubes
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MPJ Tubing Solutions LLP is a renowned manufacturer and supplier of top-quality Duplex Steel S31803 Seamless Coiled Tubes, meeting the highest industry standards, including ASTM A789. These seamless coiled tubes are crafted to perfection and are highly sought after by various industries, thanks to their exceptional performance and durability.
With outer diameters ranging from 1/8 to 1/2 inches and wall thicknesses varying from 0.70 mm to 2.00 mm, these UNS S31803 Seamless Coiled Tubes offer versatility and adaptability to diverse applications. One standout feature is their impressive length capacity, allowing for extra-long coils of up to 2300 feet (700 meters). This extended length minimizes the need for multiple connections, making them ideal for critical installations where continuity and reliability are paramount.
Duplex Steel S31803 is a duplex stainless steel known for its exceptional corrosion resistance and high mechanical strength. It combines the advantages of both austenitic and ferritic stainless steels, making it a preferred choice for applications requiring resistance to pitting, crevice corrosion, and stress corrosion cracking.
MPJ Tubing Solutions LLP’s unwavering commitment to maintaining the highest quality standards is reflected in their adherence to international specifications, including ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), and JIS (JAPAN). This commitment ensures that customers receive seamless coiled tubes that not only meet but often exceed industry requirements.
As a reliable supplier, MPJ Tubing Solutions LLP has earned a stellar reputation in the domestic and international markets. Their dedication to excellence, precision engineering, and customer-centric approach make them a trusted partner for clients seeking top-notch coiled tubing solutions.
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Duplex Steel UNS S31803 Seamless Coiled Tube 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 Seamless Coiled Tubes 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 Seamless Coiled Tubes Standard Specifications
Spec. No.
Title
Scope
ASTM A789
Standard Specification for Seamless Coiled and 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 1/2 in.
- Wall Thickness: 0.70 mm to 2.00 mm
- Length: Extra long coils up to 2300 ft. (700 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 Seamless Coiled 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 UNS S31803 Duplex Steel Seamless Coiled Tube supplied.
Brand – 
Duplex UNS S31803 Seamless Coiled 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 Seamless Coiled Tube and supported with the Material Test Report. It is 100% traceable to our mill.
Available Duplex Steel Seamless Coiled Tubing Grades
UNS S31803 Duplex Steel Smls Coiled Tubes Packing & Documentation
ASTM A789 UNS S31803 Duplex Steel Seamless Coiled 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. Duplex Steel S31803 Seamless Coiled 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 S31803 Duplex Steel Seamless Coiled Tube 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 Seamless Coiled Tubes.
We also confirm the guarantee of the UNS S31803 Duplex Steel Seamless Coiled 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.
UNS S31803 Duplex Steel Seamless Coiled 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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Industrial Pipes & Tubes Supply and Export Network Countries List
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