With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
Duplex Steel UNS S31803 Boiler Tubes Manufacturer.
SEAMLESS/WELDED: ASTM A789 Duplex S31803 Boiler Tubes | ASME SA789 Duplex UNS S31803 Boiler Tubes | 1/2″ SCH 40 Duplex Steel S31803 Boiler Tubes
Duplex UNS S31803 Seamless Boiler Tubes, ASTM A789 Duplex Steel S31803 Boiler Tubes, UNS S31803 Duplex Steel Welded Boiler Tube, Duplex Steel S31803 Boiler Tubo, ASME SA789 Duplex Steel S31803 Boiler Tubes Manufacturer in India, Duplex S31803 Boiler Tube Supplier in Qatar, UNS S31803 Boiler Tubes Exporter in Australia.
MPJ Tubing Solutions LLP, a trusted name in the realm of specialized tubing solutions, takes immense pride in offering high-quality Duplex Steel S31803 Boiler Tubes. Their unwavering commitment to quality is evident through their strict adherence to industry standards, including ASTM A789, establishing them as a trusted leader in the manufacturing and export of tubing solutions.
The ASTM A789 Duplex Steel S31803 Boiler Tubes crafted by MPJ Tubing Solutions LLP are meticulously engineered to cater to diverse industrial needs worldwide. With an impressive outer diameter range spanning from 12.70 mm to 50.80 mm and wall thickness options ranging from 0.71 mm to 5.0 mm, these boiler tubes offer versatility and reliability for a multitude of applications.
As a manufacturer in India, MPJ Tubing Solutions LLP plays a pivotal role in the industry, as evidenced by their designation as a Duplex S31803 Boiler Tubes Manufacturer in India. This underscores their commitment to delivering top-quality products domestically and internationally.
These Duplex Steel UNS S31803 Boiler Tubes are designed for exceptional performance, durability, and corrosion resistance, making them the preferred choice for industries that demand the highest standards of quality. With lengths of up to 24 meters, they can be tailored to meet the specific project requirements of various industries.
MPJ Tubing Solutions LLP consistently upholds international standards, including ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), and JIS (JAPAN), cementing their reputation as a dependable supplier of specialized tubing. Their dedication to quality and their extensive product range make them an invaluable partner for industries globally, offering essential tubing solutions for a wide range of applications. Whether for manufacturing or export purposes, MPJ Tubing Solutions LLP remains a trusted source for top-quality tubing solutions.
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Duplex Steel UNS S31803 Boiler Tubes 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 Boiler 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 Boiler Tubes 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: 12.70 mm to 50.80 mm
- Wall Thickness: 0.71 mm – 5.0 mm
- Length: Up to 24 mtr long
- 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.
Duplex S31803 Boiler Tubes 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 Boiler Tubes supplied.
Brand – 
Duplex Steel UNS S31803 Boiler Tubes 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 Boiler Tubes and supported with the Material Test Report. It is 100% traceable to our mill.
Available Duplex Steel Boiler Tubes Grades
UNS S31803 Duplex Steel Boiler Tubes Packing & Documentation
ASTM A789 UNS S31803 Duplex Steel Boiler 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 Boiler Tubes 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 Boiler Tubes 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 Boiler Tubes.
We also confirm the guarantee of the UNS S31803 Duplex Steel Boiler 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 Boiler Tubes 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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