... -14mmMaterialX70, X65, X42, L45StandardGB/T9711.1Length5m-12mUsageline pipe, casing and tubing, fluid pipe, water delivery, heating pipe, power pipe, ... impact test,metallographic examinationFinal product testhydraulic test,on-line and off- line ultrasonic test, tensile test,yeild strength,elogation ... then put the pipe into a bundle covered by plastic cloth according to the size of the pipe with steel ...