Product     erw Steel Pipe  standard astm A53/astm A500/api 5l/en10217/bs/astm A312/a304 steel Grade gr.a/gr.b/x42/x46/x52/x56/x60/x65/x70/st52 o.d 21.34mm-610mm wt 4mm-30mm single ...
Astec Inc. Manufacturer Of Stainless Steel Pipes In All Grade.we Have Various Range In Steel Pipes.http://www.astecincorp.com/stainless-steel-pipes/...