Duplex Steel UNS S31803 Pipes & Tubes

 

ASTM A790 Duplex Steel S31803 Pipes, Duplex Steel UNS S31803 Tubing, Duplex Steel 1.4462 Pipe, Duplex Steel UNS S31803 Tubes Suppliers.

Duplex Steel S31803 Welded Pipes, Duplex Steel 1.4462 Tubes, Duplex Steel S31803 Tubes, Duplex Steel S31803 Seamless Pipes Manufacturer in India.

Kalpataru Piping Solutions is a prominent manufacturer, supplier, and exporter of Duplex Stainless Steel UNS S31803 Pipes and Tubes based in Mumbai, India. Our Duplex S31803 pipes and tubes are crafted using high-quality raw materials and advanced manufacturing techniques. These products adhere to global quality standards and meet the specific needs of various industries. We offer them in a wide range of sizes, specifications, and thicknesses, with the flexibility to customize according to our clients’ requirements.

Duplex UNS S31803 is a nitrogen-enhanced duplex stainless steel known for its exceptional resistance to corrosion. It is one of the most widely used grades in the duplex family. The S31803 material is designed to address common corrosion problems, making it a reliable option for applications where 300 series stainless steels may struggle, especially in environments prone to chloride stress corrosion cracking. This material provides a cost-effective solution for industries needing high corrosion resistance.

Our Duplex UNS S31803 Pipes and Tubes exhibit outstanding features such as high resistance to chloride stress corrosion cracking, excellent protection against pitting and crevice corrosion, and strong general corrosion resistance. Additionally, they offer high strength, good weldability, and workability, making them ideal for applications in harsh environments. These products are suitable for industries like marine, chemical processing, oil and gas, pulp and paper, and food processing, where they perform well in systems exposed to brackish water, bleaching operations, and closed-loop water systems.

To ensure the highest product quality, we provide our Duplex Steel UNS S31803 Welded Pipes and Tubes with detailed documentation, including Fumigation Certificates, Raw Material Test Reports, Material Traceability Records, and Quality Assurance Plans. For safe and secure delivery, all products are carefully packed in wooden boxes or cartons, as per the client’s specifications. At Kalpataru Piping Solutions, we prioritize customer satisfaction by ensuring timely and damage-free shipping of our products worldwide.

Duplex Steel UNS S31803 Pipes & Tubes Specifications

Standard ASTM A790 / ASME SA789 UNS S31803
Materials ASTM A815 – UNS S31803
Size 1/2″NB TO 12 “NB IN
Seamless Pipes & Tubes Sizes 1/2” NB – 8” NB
Welded Pipes & Tubes Sizes 6” NB – 24” NB
Thickness 0.5-45mm
Outer Diameter 6.0-630mm
Dimensions OD(6.0-630)*WT(0.5-45)mm
Schedule SCH20, SCH30, SCH40, STD, SCH80
Type Welded / Fabricated / Seamless
Length Single Random, Double Random & Cut Length.

Duplex Steel UNS S31803 Pipes & Tubes Equivalent Grades

STANDARD WERKSTOFF NR. UNS
Duplex 2205 1.4462 S31803

Duplex s31803 Chemical Composition

Element S31803
C 0.030 max
Mn 2.00 max
Si 1.00 max
P 0.030 max
S 0.020 max
Cr 22.0 – 23.0
Mo 3.0 – 3.5
Ni 4.50 – 6.50
N 0.14 – 0.20
Fe 63.72 min

Uns s31803 Mechanical Properties

Element S31803
Density (g/cm 3) 7.805
Density (lb/in 3) 0.285
Melting Point (°C) 1420 – 1465
Melting Point (°F) 2588 – 2669

Duplex Steel S31803 Pipe & Tube Application

  • Food Processing Industry: Ideal for corrosion resistance in food handling and processing.
  • Fabrication Industry: Strong and weldable for constructing complex components.
  • Oil and Gas Industry: Excellent resistance to harsh environments, perfect for pipelines and offshore rigs.
  • Chemical Industry: Resists corrosion and chemical attack in processing and storage systems.
  • Plumbing: Durable and corrosion-resistant for long-lasting plumbing solutions. General Purpose Applications: Versatile for various structural and mechanical uses.
  • Heating: Performs well under high temperatures, ideal for heating systems.
  • Water Supply Systems: Corrosion-resistant for reliable water transport, even in high chloride environments.
  • Power Plant: Strong and resistant to extreme conditions, used in boilers and cooling systems.
  • Paper & Pulp Industry: Chemical-resistant for equipment exposed to aggressive chemicals.

We Export To Duplex Steel UNS S31803 Pipes & Tubes

New Zealand, Ukraine, Brazil, Azerbaijan, Angola, United Kingdom, Philippines, Oman, France, Algeria, Macau, Sri Lanka, Tibet, Norway, Mexico, Venezuela, Denmark, Russia, Bhutan, Estonia, Austria, Vietnam, Argentina, Turkey, Greece, Romania, Bahrain, Bangladesh, Afghanistan, Italy, Poland, Zimbabwe, Thailand, India, Kenya, Ecuador, Puerto Rico, Nepal, Malaysia, Bulgaria, Libya, Slovakia, Chile, Serbia, Australia, Poland, Iran, Costa Rica, Peru, South Korea, Iraq, Iran, Indonesia, Spain, Trinidad & Tobago,Tunisia, Qatar, Japan, Canada, Taiwan, Yemen, Mongolia, Czech Republic, Israel, Ghana, Egypt, Nigeria, Saudi Arabia, United Arab Emirates, Namibia, Hungary, South Africa, Hong Kong, Croatia, Colombia, Lebanon, Nigeria, Portugal, Finland, Pakistan, Jordan, Sweden, Belgium, Gambia, Lithuania, United States, Chile, Bolivia, Germany, Singapore, Ireland, Gabon, Kuwait, Switzerland, Mexico, Belarus, Kazakhstan, Morocco, China, Netherlands, Germany, Belgium, Italy, Turkey, Denmark and UK.

FAQ

What is duplex S31803?

Duplex S31803 is a corrosion-resistant stainless steel alloy with a balanced microstructure of austenite and ferrite phases, offering high strength and excellent resistance to corrosion.

What is S31803 material equivalent to?

S31803 material is equivalent to DIN 1.4462 and ASTM A182 F51 when supplied as round bar. It is a duplex stainless steel with 22% chromium content.

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