Size: Outer diameter:89mm--813mm
Wall thickness:3---60mm
Standard:API SPEC 5L,DIN 2448,1629
Lengths: Single random
Double random
Fix length :1~16m
Test:Chemical Analysis,Mechanical Properties,Technical Properties,Exterior Size Inspection,Hydrostatic,X-ray,Test,NDT test.
Mill Test Certification:EN10204/3.1B
Surface treatment :Black painting,varnish coating,PE,2PE,3PE,black oil coating,rust-proof painting ,galvanized or as customer's request.
End finished:Beveled,square cut,threaded&coupled.
