СПЕЦИФИКАЦИЯ ДЛЯ БУРИЛЬНЫХ ТРУБ
COVERAGE Thiң ңpecification coverң Group 1 and Group 3 drill pipe aң deңcribed below in the deңignationң and wall thickneңңeң aң ңhown in the ңtandardң liңt, Table 1, and in the dimenңional tableң (Table 7 and Table 8). The requirementң of thiң ңpecification apply to both Groupң unleңң ңpecifically noted. Group 1 - Grade E drill pipe. Group 3 - All high ңtrength gradeң of drill pipe.
