Seamless steel pipe 1.Standard:ASTM A106,A53,API 5L etc 2 ... /2" to 100" 3.Mill Test Certificate:EN10204/3.1B Seamless steel pipe,seamless steel tube,seamless pipe1) Standard: ASTM A106, A53, API 5L, DIN2440, ... ) Packing in bundles, 2) Surface: Varnish coating 3) Ends: Beveled or square cut, Plastic capped. 4) The pipes also can ... 3) Third party inspection: SGS, BV, Lloyds etc. Carbon seamless Steel Pipe