... .1mm-3040mm Wall Thickness 5-30mm Linda Lee 0086-18602645767 API X42 steel pipe Company Introduction Our company now has 5 ... , gas, and oil.piling, etc.ProcessSprial Submerged-Arc Welded TypeSAWStandardAPI 5L,API 5CT,ASTM A53,ASTM A252,EN10217,EN10219,DIN,JIS,BSCertificateAPI ... .1mm-3040mm(8-120 inch)Wall Thickness5-30mmLength4-40mSteel GradeAPI 5L GR.B,X42,X46,X56,X65,X70ASTM A53 GRADE A,GRADE BASTM ...