| Message: | HIGH FREQUENCY ELECTRIC WELDED PIPES (ERW)Specifications Outside Diameter：Φ21.3mm- Φ762mm (1/2"- 30")Wall Thickness：1.0mm- 25.4mm Quality Standards：API、DNV、ISO、DEP、EN、ASTM、DIN、BS、GB、CSALength：6m-18.5m (20' - 60' )Grades：GB/T9711 L190-L555 (API 5L A-X80)Surface Treating: Varnish or black paintedGalvanised3PE coated url:http://www.ruichengsteel.com |
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