The standard API RP 5L3 for DWTT is introduced and compared with GB/T8363-1987. Then a discussion is given on the test apparatus required.

• 介绍了落锤撕裂试验的标准APIRP 5L3,并与GB/T8363- 1987标准进行了比较。 对所需的试验设备谈了一些看法