Production
Detection
Quality
technological process
Intergranular corrosion test
Ultrasonic flaw detection
Production workshop
Rockwell hardness tester
Leeb hardness tester
Intergranular corrosion device
Pickling in seamless pipe workshop
Electric arc furnace
Cold drawing of seamless pipe
ultrasonic flaw-detecting machine
Ultrasonic eddy current integrated machine
shock testing machine