Abstract：The components of bar surface infrared testing system and various factors those may influence the testing reliability were introduced. Based on the application practice of bar infrared testing in Nanjing Iron & Steel Co., Ltd., the causes of influencing factors as well as the methods and measures to avoid or weaken them were analyzed. The practical application proved that as long as it was properly operated, the infrared testing on the bar surface was stable and reliable.
2022, Vol. 40 
