| Message: | SPIRAL SUBMERGED ARC WELDED PIPES (SSAW)Specifications Outside Diameter：Φ508mm-Φ4500mm (20"- 177")Wall Thickness：6.4-25.4mmQuality Standards：API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSALength：6-130m（20'-427'）Grades：API 5L A-X90,Website:http://www.ruichengsteel.com, GB/T9711 L190-L625Surface Treating: Varnish or black painted3PE coated |
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