Petroleum Cold Rolled Duplex Stainless Steel Tube 6096MM Length PED Certification

ASTM A789 / A790 19.05mm × 1.65mm S31803 / S32750 Duplex Steel Tube

Material Grade: S32205, S31803, S32304, S32750, F51, F53, 2205, 2507 Etc
Outer Diameter: 3.18mm - 101.6mm
Wall Thickness: 0.5mm - 20mm
Length: Normally Fixed Length 6m, can as per customer's requirement
Standard: ASTM A789; ASTM A790; EN 10216-5 Etc
Process Method: Cold Drawn & Cold Rolled

Super duplex Stainless Steel is a highly alloyed , good performance duplex steel with a pitting resistance . Super Duplex offers good resistance to pitting and crevice corrosion . It is suited for use in aggressive environments . It also has good resistance to stress corrosion cracking in chloride and sour environments . And it has good resistance to erosion corrosion and corrosion fatigue .
Super duplex stainless such as duplex is a mixed microstructure of austenite and ferrite which has improved strength over ferritic and austenitic steel grades . The main difference is super duplex has a higher molybdenum and chromium content which gives the material greater corrosion resistance .
Super duplex has the same benefits as its counterpart - it has lower production costs when compared with similar ferritic and austenitic grades and due to the materials increased tensile and yield strength , in many cases this gives the purchaser the welcomed option of purchasing smaller thicknesses without the need to compromise on quality and performance .

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