[Press] ASTM A53 ERW Steel Pipe Inspection Process By admin Posted September 10, 2020 In In the News [Press] ASTM A53 ERW Steel Pipe Inspection Process2020-09-102020-09-10/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px The details of A53 ERW pipe evaluation process: 1. Non-destructive testing Rotate the detection ar …