API 油管扣(NU EU)加工参数

外加厚外螺纹（API EU THREAD）加工参数API1.051.3151.6601.9002-3/82-7/83-1/2A33.40137.31346.0553.18865.88778.7195.

API EU THREAD 外加厚外螺纹（）加工参数 API 1.05 1.315 1.660 1.900 2-3/8 2-7/8 3-1/2 A 33.401 37.313 46.05 53.188 65.887 78.71 95.25 B 32.385 36.19 44.63 51.689 63.576 75.997 92.278 C 28.321 32.055 40.56 47.625 58.039 70.46 86.74 E 7.62 8.89 12.065 13.665 23.825 28.575 34.925 F 28.575 31.75 34.925 36.525 49.225 53.975 60.325 G 41.275 44.45 47.625 49.225 61.925 66.675 73.025 备注： 公差要求：未注公差要求在±0.30mm内，紧密距公差±3.175mm. 表面粗糙度要求：螺纹表面光洁度要求Ra 3.2.