Abstract: Recently, Copper material has been widely used in chemical industries because of its good corrosion resistance. Application of acoustic emission technique to detect copper pressure equipment may be one of effective methods. This paper produced H62 copper tensile specimens, which stretching process was monitored by acoustic emission technique. The results showed that, the copper had a shorter elastic stage; less high-amplitude signals were brought out when tensile specimen was broken because of its high viscoelastic characteristics; the effective number of acoustic emission signals was related with the loading rate with the same copper specimen. And there were more effective acoustic emission signals with a faster loading rate; copper material waveform peak of acoustic emission signals appeared in the range of 210~340 kHz. Conclusions can be referred when acoustic emission monitoring was carried out for copper pressure equipments.