13cr-l80 seamless tubes are used for oil well serving in resistant corrosive environment, which requires excellent quality of resistant corrosion and strength, also requires high precision of bend and size. Best alloy company has successfully developed 13cr-l80 seamless tube according to api specification in 2002, and the size of oil tube is Ï88.9*6.45*9700, coupling blank pipe isÏ102*12, casing-tubing isÏ139.7*6.98, and another coupling blank pipe isÏ155*13.
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