... Manufacturing standards: ASTM/ASME Features:1) O.D seamless pipes (nominal to 48")2) Wall thickness up to ... 9.A106B(ST45.8/III,20G)10low tem seamless steel tubeA333(A334) Gr.1,Gr.6,Gr. ... 311.High tem stainless steel tubeTP304H,TP321H,TP316H,TP347HIncoloy800h Inconel 60012. API 5L ... oil and natural gas industries.:A25 ,A, B ,X42 ,X46 ,X52 ,X56 ,X60 ,X65 ,X70 and X80 Seamless Pipes and Tubes (Big ...