With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
Duplex Steel UNS S31803 Instrumentation Tubing Manufacturer.
SEAMLESS/WELDED: ASTM A789 Duplex S31803 Instrumentation Tubing | ASME SA789 Duplex UNS S31803 Instrumentation Tubing | 1/2″ SCH 40 Duplex Steel S31803 Instrumentation Tubings
Duplex UNS S31803 Seamless Instrumentation Tubing, ASTM A789 Duplex Steel S31803 Instrumentation Tubing, UNS S31803 Duplex Steel Welded Instrumentation Tubings, Duplex Steel S31803 Instrumentation Tubo, ASME SA789 Duplex Steel S31803 Instrumentation Tubing Manufacturer in India, Duplex S31803 Instrumentation Tube Supplier in Qatar, UNS S31803 Instrumentation Tubes Exporter in Australia.
MPJ Tubing Solutions LLP is a renowned manufacturer and exporter of Duplex Steel S31803 Instrumentation Tubes, offering a wide range of high-quality products designed to meet the exacting standards of industries worldwide. These instrumentation tubes, manufactured in accordance with ASTM A789 specifications, are known for their exceptional performance, durability, and corrosion resistance.
Duplex Steel S31803 Instrumentation Tubes are ideally suited for a variety of applications, thanks to their impressive features such as high strength, excellent resistance to corrosion, and superior mechanical properties. These tubes come in various specifications, with outer diameters ranging from 6.00 mm to 101.40 mm and wall thickness options from 0.70 mm to 8.00 mm. Additionally, they can be customized to lengths of up to 24 meters, reducing the need for multiple connections and ensuring structural integrity in critical installations.
The use of Duplex Steel, a type of stainless steel known for its dual-phase microstructure, makes these tubes particularly suitable for demanding industries such as petrochemical, chemical processing, oil and gas, and offshore applications. Duplex Steel combines the benefits of austenitic and ferritic stainless steels, offering excellent resistance to both pitting and crevice corrosion.
MPJ Tubing Solutions LLP is committed to delivering products that adhere to international standards, including ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), and JIS (JAPAN). Their stringent quality control processes and precision engineering ensure that customers receive instrumentation tubes of the highest quality.
As an exporter, MPJ Tubing Solutions LLP serves customers in Korea and across the globe, offering top-notch solutions and products that meet the most demanding project requirements. Their dedication to quality, reliability, and precision engineering has earned them a stellar reputation in the field of instrumentation tubes.
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Duplex Steel UNS S31803 Instrumentation 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 Instrumentation 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 Instrumentation Tubing Standard Specifications
Spec. No.
Title
Scope
ASTM A789
Standard Specification for Seamless 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: 6.00 mm to 101.40 mm
- Wall Thickness: 0.70 mm to 8.00 mm
- Length: Upto 24 Meter
- 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.
- We offer customized cut Length to save time of our customers.
Duplex S31803 Instrumentation 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 Instrumentation Tubing supplied.
Brand – 
Duplex Steel UNS S31803 Instrumentation 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 Instrumentation Tubing and supported with the Material Test Report. It is 100% traceable to our mill.
Available Duplex Steel Instrumentation Tubing Grades
UNS S31803 Duplex Steel Instrumentation Tubing Packing & Documentation
ASTM A789 UNS S31803 Duplex Steel Instrumentation 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 Instrumentation 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 Instrumentation 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 Instrumentation Tubing.
We also confirm the guarantee of the UNS S31803 Duplex Steel Instrumentation 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 Instrumentation 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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