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Ferritic / Austenitic Welded Tube Exporter, Suppliers of ASTM A789 Duplex Stainless Steel Seamless Tubes, Duplex S32205 Cold Rolled Coiled Tube, UNS S31803 Welded Tube Exporter, WERKSTOFF NR. 1.4462 Tube Manufacturer in Mumbai, India.

Kinsey Piping is one of the pioneer dealer and supplier of Duplex Steel S31803 / S32205 Tubes, which are extremely corrosion resistant and work hardenable alloys. As a result, Duplex Steel S31803 Seamless Tubes display properties characteristic of both austenitic and ferritic stainless steels. This combination of properties in these Duplex Steel S32205 Welded Tubes can mean some compromise when compared with pure austenitic and pure ferritic grades. Duplex Steel S31803 EFW Tubes are in most cases, tougher than ferritic stainless steels, where their microstructures consist of a mixture of austenite and ferrite phases. Strengths of these Duplex Steel S32205 ERW Tubes can in some cases be double that for austenitic stainless steels. Whilst Duplex Steel S31803 Round Tubes are considered resistant to stress corrosion cracking, they are not as resistant to this form of attack as ferritic stainless steels. However, the corrosion resistance of the least resistant Duplex Steel S32205 Square Tubes is greater than that for the most commonly used grades of stainless steels, i.e. Type 304 and Type 316. These Duplex Steel S31803 Rectangular Tubes are also magnetic, a property that can be used to easily differentiate them from common austenitic grades of stainless. The high chromium content of Duplex Steel S32205 Electropolish Tubes protects against corrosion, and causes embrittlement at temperatures over about 300 Degree C. At low temperatures, these Duplex Steel S31803 Instrumentation Tubes have better ductility than the ferritic and martensitic grades.

Duplex S32205 Decorative Tube, Duplex S32205 Seamless Tube, Duplex S32205 Electropolish Tube, Duplex S32205 Welded Tubes, Duplex S31803 ERW Tubes, Duplex S32205 Electropolish Tubes, Duplex DIN NR. 1.4462 Tubes, S31803 Duplex Heat Exchanger Tube, ASME SA789 Welded Duplex Tubing, SAF 2205 Polish Tubes, Duplex Steel 2205 Tubes, S31803 Duplex Steel Welded Tube Manufacturer in India.

UNS S31803 / S32205 Duplex Seamless Tubes

Duplex S31803 / S32205 Seamless Tubes Specifications

Specifications : ASTM A789 ASME SA789
Dimensions : ASTM, ASME and API
Tube Size : 1/2″NB TO 12 “NB IN
Specialized in : Large Diameter Size
Schedule : SCH20, SCH30, SCH40, STD, SCH80
Type : Seamless / ERW / Welded / Fabricated
Form : Round, Hydraulic Etc
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End, Treaded

S31803 / S32205 Duplex Tubes Chemical Composition

S31803 / S32205 C N P Si Mn Mo Fe Cr S Ni
1.0 0.03 0.02 2.0 3.0 – 3.5 22.0 – 23.0 0.03 4.5 – 6.5 0.14 – 0.2 Bal

 

Duplex Steel S31803 / S32205 Tube Mechanical Properties

S31803 / S32205 Density Melting Point Yield Strength (0.2%Offset) Tensile Strength
7.8 g/cm3 1350 °C (2460 °F) Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800

 

Equivalent Grades for S31803 / S32205 Duplex Stainless Steel Tube

STANDARD UNS WERKSTOFF NR.
Duplex S31803 S31803 1.4462
Duplex S32205 S32205 1.4462

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