成量石油套管偏梯形螺纹环规 执行标准： API SPEC 5B；GB/T 9253.2
1 | 1017384040 | 4 1/2 BCSG | 5 | 5.08 | 41.999 | 89.853 | 113.132 | 117.856 | 140 | 160 | 2.54 | 0.381 |
2 | 1017384041 | 5 BCSG | 5 | 5.08 | 45.174 | 90.488 | 125.832 | 130.556 | 155 | 175 | 5.08 | 0.381 |
3 | 1017384042 | 5 1/2 BCSG | 5 | 5.08 | 46.761 | 92.075 | 138.532 | 143.256 | 165 | 185 | 5.08 | 0.381 |
4 | 1017384044 | 6 5/8 BCSG | 5 | 5.08 | 51.524 | 96.838 | 167.107 | 171.831 | 195 | 215 | 5.08 | 0.381 |
5 | 1017384045 | 7 BCSG | 5 | 5.08 | 56.286 | 101.600 | 176.632 | 181.356 | 205 | 225 | 5.08 | 0.381 |
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