Black Steel Tube

Astm a500 erw steel structural tubing Our capability : Outside diameter: 10-350 mm . Thickness: 1.8mm-15.0mm Steel Grade: Q235B, Q345B, S235JR, S275JR, STK400, STK500. Standard: BS1139-1990, BS EN39-2001, EN10219, JIS G3444-2004, ASTM A53, ASTM A106 , ASTM A500 . ASTM A513 ,JIS G3452 ,EN10219, EN10217 . Surface: Hot dipped galvanized, Pregalvanized, Black, Painted We have two factories , one pipe factory , one pre-galvanizing and processing factory . we can supply service : 1 cutting in any length . we offer precision cutting on the lengths of pipe with wide range . 2 .beveling : we can apply any type of bevel to any degree required . beveling can applied to the face of any size or diameter of pipe . 3 .threading : threaded pipe can provide an sffective seal for pipes transforting liquids , gases , steam , and hydraulic liquid . 4.grooving ; roll grooving can be done in any style according to industry standard s . 5. hole drilling : drilling cna be done in any style according to the industry standards and customer requests , it can be applied to any position on the pipes . Manufacturer own two factories: main products : h beam ,round tube , rectangular pipe , ERW conveuer belt pipe, Seamless steel pipe ,Scaffolding pipe ,Square and rectangular pipe ,Hot-dipping and Pre-galvanized steel pipe, and other steel products,angle steel , steel section beams ,