duplex stainless steel coil 2205


ASTM A240 / UNS S31803 / DIN 1.4462 Coils

Duplex Steel S31803 Cold Rolled Coils, Duplex S31803 Coils, UNS S31803 Coils, Duplex Steel S31803 Hot Rolled Coils, Duplex Steel S31803 Color Coated Coils, WERKSTOFF NR. 1.4462 Coils, ASTM A240 Duplex Steel S31803 Coils, Duplex S31803 Coils Supplier in China.

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Product Details

We make use of hundred percent pure raw materials for manufacturing Duplex S31803 Coils that results in the production of high quality of goods. Duplex 31803 Coils has a huge number of applications in various industries. These coils are used in the manufacturing of the piping and tubing in the oils and gas exploration industries and are also used in the manufacturing of food processing equipment. These coils also have a great application in the field of chemical processing, storage, and transportation as they are widely used in manufacturing different components of tanks and pressure vessels. These Duplex 31803 Coils also have a huge demand in the biogas plants.


The reason behind this huge number of application of Duplex S31803 Coils is that they possess many exception properties. The coil has good resistance towards corrosion; the coil also owns the property of oxidation resistance at high temperature and can withstand high temperature. The coils posses’ good weldability too, all these excellent properties of these coil makes it very useful in the manufacturing and industrial fields. Once the manufacturing of coils is finished they undergo various tests like the hardness test, intergranular corrosion test, flaring test and much other examination processes. The final goods are then transported safely to different national and international destinations.

Duplex Steel S31803 Coils Specification

Standard : ASTM / ASME A240 / SA240
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm etc
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Thickness : 0.1mm to 12 mm Thk
Surface : 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sandblast, Brush, etching, etc
Finish : Hot rolled (HR), Cold rolled (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated), Galvanized etc

Equivalent Grades of Duplex S31803 Coils

STANDARDWERKSTOFF NR.UNS
Duplex S318031.4462S31803

Duplex Steel S31803 Coils Chemical Composition

ElementDuplex S31803
C0.030 max
Mn2.00 max
Si1.00 max
P0.030 max
S0.020 max
Cr22 – 23
Mo3.0 – 3.5
Ni4.50 – 6.50
N0.14 – 0.20
Fe63.72 min

Mechanical Properties of Duplex S31803 Coils

ElementDuplex S31803
Density7.8 g/cm3
Melting Point1420 – 1465 °C (2588 – 2669 °F)
Tensile Strengthksi – 95
Yield Strength (0.2%Offset)ksi – 65
Hardness31 Rockwell C

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Duplex Steel S31803 Coils Application

 -Pressure vessels, high pressure storage tanks, high pressure pipes, heat exchangers (chemical processing industry).

· Oil and gas pipelines, heat exchanger fittings.

· Sewage treatment system.

· Pulp and paper industry classifiers, bleaching equipment, storage and treatment systems.

· Rotary shaft, press roller, blade, impeller, etc. in high strength and corrosion resistant environment.

· Cargo container of ship or truck

· Food processing equipment

Package of S31803 super duplex stainless steel coil

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