... 3040mm Wall Thickness 5-30mm Linda Lee 0086-18602645767 API X42 steel pipe Company Introduction Our company now has ... oil.piling, etc.ProcessSprial Submerged-Arc Welded TypeSAWStandardAPI 5L,API 5CT,ASTM A53,ASTM A252,EN10217,EN10219,DIN,JIS,BSCertificateAPI ... ,Yield Strength,Elongation),Technical Properties(Flattening Test,Bending Test,Blow Test,Impact Test),Exterior Size Inspection,Hydrostatic Test.,X ...