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Specifications
Outside Diameter：Φ610mm-Φ7000mm(24"-276")
Wall Thickness：8-230mm(3/10"-9")
Quality Standards：API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
Length：1m-100m(3'-328')
Grades：API 5L A-X90, GB/T9711 L190-L625