ASTM A240 / UNS S31803 / DIN 1.4462 Coils
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.
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
STANDARD | WERKSTOFF NR. | UNS |
Duplex S31803 | 1.4462 | S31803 |
Element | Duplex S31803 |
C | 0.030 max |
Mn | 2.00 max |
Si | 1.00 max |
P | 0.030 max |
S | 0.020 max |
Cr | 22 – 23 |
Mo | 3.0 – 3.5 |
Ni | 4.50 – 6.50 |
N | 0.14 – 0.20 |
Fe | 63.72 min |
Element | Duplex S31803 |
Density | 7.8 g/cm3 |
Melting Point | 1420 – 1465 °C (2588 – 2669 °F) |
Tensile Strength | ksi – 95 |
Yield Strength (0.2%Offset) | ksi – 65 |
Hardness | 31 Rockwell C |
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-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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