A P I 油 管 规 格 与 尺 寸 公称尺寸（in）不加厚外径（mm）不加厚径（mm）加厚外径（mm）加厚径（mm）不加厚接箍外径（mm）加厚接箍外径（mm）1 1/2 48.340.353.240.35563.52 3/8 60.350.365.950.373782 7/873.062.078.662.089.5933 1/288.975.995.2575.9107114.54101.688.6107.9588.61211274 1/2114.3100.3120.65100.3132.5141.5 石油油管螺纹代号对比表 平式油管螺纹外加厚油管螺纹GB9253.3YB239-63GB9253.3YB239-631.900TBG1 1/2 " 平式扣1.900UPTBG1 1/2" 外加厚扣2 3/8 TBG2" 平式扣2 3/8UPTBG2" 外加厚扣2 7/8 TBG2 1/2" 平式扣2 7/8UPTBG2 1/2" 外加厚扣3 1/2 TBG3" 平式扣3 1/2UPTBG3" 外加厚扣4 TBG3 1/2" 平式扣4UPTBG3 1/2" 外加厚扣4 1/2 TBG4" 平式扣4 1/2UPTBG4" 外加厚扣 套 管 规 格 与 尺 寸 外径mm（in）接箍外径（mm）径（mm）通径（mm）外径mm（in）接箍外径（mm）径（mm）通径（mm）114.3（4 1/2）127.0103.9100.7177.8（7）194.5166.1162.9102.999.7164.0160.8101.698.4161.7158.599.696.4159.4156.2127（5）141.3115.8112.6193.7（7 5/8）215.9178.5175.3114.1111.0177.0173.8112.0108.8174.6171.5108.6105.4171.8168.7139.7（5 1/2）153.7127.3124.1219.1（8 5/8）244.5205.7202.5125.7122.6203.7200.5124.3121.1201.2198.0121.4118.2198.8195.6 石油套管螺纹代号对比表 短圆螺纹套管长圆螺纹套管偏梯形螺纹API SPEC 5CTYB690-70API SPEC 5CTYB690-70API SPEC 5CT4 1/2 CSG4 1/2 "套管4 1/2LCSG4 1/2 "长丝扣套管4 1/2 BCSG5 CSG5"套管5LCSG5"长丝扣套管5 BCSG5 1/2 CSG5 1/2 "套管5 1/2 LCSG5 1/2 "长丝扣套管5 1/2BCSG 6 5/8 CSG6 5/8 "套管6 5/8 LCSG6 5/8 "长丝扣套管6 5/8 BCSG7 CSG7"套管7 LCSG7"长丝扣套管7 BCSG7 5/8 CSG7 5/8 "套管7 5/8 LCSG7 5/8 "长丝扣套管7 5/8 BCSG8 5/8 CSG8 5/8 "套管8 5/8 LCSG8 5/8 "长丝扣套管8 5/8 BCSG9 5/8 CSG9 5/8 "套管9 5/8 LCSG9 5/8 "长丝扣套管9 5/8BCSG10 3/4 CSG10 3/4 "套管10 3/4 LCSG103/4"长丝扣套管10 3/4BCSG钻 杆 规 格 与 尺 寸 （ X 、 G 、 S 钢级） 规格外径mm（in）管体径（mm）加厚径（mm）外加厚外径（mm）规格外径mm（in）管体径（mm）加厚径（mm）外加厚外径（mm）60.3（2 3/8）46.167.5114.3（4 1/2）97.2131.873.0（2 7/8 ）54.633.381.8114.3（4 1/2）92.5131.888.9（3 1/2）76.057.297.1127（5）112.095.288.970.249.297.1127108.6146.1（3 1/2）（5）101.6（4）88.374.6114.3139.7（5 1/2）121.496.9141.3101.6（4）84.869.8114.3139.7（5 1/2）118.696.9141.3 石油钻杆接头螺纹代号对比表 GB9253.1GB9253.1YB691-70GB9253.1YB691-70标准标准标准NC262 3/8 IF2A10/2A114 1/2 FH420/421NC312 7/8 IF210/2112 7/8 REG230/231NC383 1/2 IF310/3113 1/2 REG330/331NC504 1/2 IF410/411 4 1/2 REG430/4313 1/2 FH320/321 5 1/2 REGNC404 FH4A20/4A216 5/8 REG
