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API 5CT Tubing Specifications Outside Diameter Wall Thickness Weight Grade and Upset Type* Non-Upset T&C External Upset T&C in. مم.mm磅/英尺公斤/米磅/英尺公斤/米J55 L80歌曲到手机上人私下偷偷收藏盒式P1102-3/8 60.32 0.167 4.24 4.00 5.95 – –PN PN PN PN– 0.190 4.83 4.60 6.85 4.70 6.99PNU PNU PNU PNU PNU0.254 6.45 5.80 8.63 5.95 8.85 –PNU PNU PNU PNU0.336 8.53 7.35 10.94 7.45 11.09 بو –PU PU– 2-7/8 73.02 0.217 5.51 6.40 9.52 6.50 9.67PNU PNU PNU PNU PNU0.276 7.01 7.80 11.61 7.90 11.76 –PNU PNU PNU[…]