Spiral drill pipes

1.outside diameter:6-820mm 2.wall thickness:1-100mm 3.standard: GB JIS ASTM AISI DIN etc product name spiral welded steel pipe standard GB JIS ASTM AISI DIN etc material ASTM A 179 A 53 A 106, Q235B,Q345B, Q345C, 20#,12CrMo1V thickness 1-80mm schedule SCH5S, SCH10S, SCH20, SCH10, SCH30, SCH40S, SCH40,STD outside diameter 6-820m length 5.8m 6m 12m or as customers' demand used area petroleum, chemical, power, gas,water, metallurgy, shipbuilding, construction package in bundles, varnish coating, ends can be beveled or square cut certification ISO9001, 2000, PED, API, Mill Test Certificate thirdparty inspection OMIC, SGS, as customer demand remark we can customer made for special requirement We have been specialized in manufacturing and exporting different kinds of steel pipe for 8 years. we are sure to satisfy you with our professinal information, top qualiity, best price and efficient service. pls never hesitate to contact us.

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