1.ASTM A335 P9 Alloy steel pipe 2.Outer diameter:6mm~ ... BV&DNV&GL&API Descriptionalloy steel pipe, alloy seamless steel pipe, alloy welded pipe,seamless alloy steel pipe,alloy pipe,alloy steel tubeStandardASTM A335,ASTM A213,JIS ... Russia,Spain,SouthAfrica,Viet Nam,Peru,Dubai,etc.ApplicationAlloy steel pipe applies to petroleum, chemical industry, electric ... and So on. ASTM A335 P9 Alloy steel pipe