... coatedRaw material testtensile test, yeild strength, elogation, impact test, chemical analysis,hardness test, charpy impact test,metallographic examinationFinal product testhydraulic test,on-line ... - line ultrasonic test, tensile test,yeild strength,elogation hardness test,charpy impact,flattening test chemcial analysis,metallographic examinationPackage1.naked;2.both ends ...