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                API石油螺纹规
                美国GSG石油螺纹规


                Nominal

                Size



                Specifications/Applications

                From

                To

                TPI

                TPF

                Spec 5B (Plug/Ring)





                Casing - Round

                4 1/2

                13 3/8

                8

                3/4

                Line Pipe

                1/8

                13 3/8

                8-27

                3/4

                Tubing - Non Upset

                1.050
                4
                3 1/2
                4 1/2
                10
                8
                3/4
                3/4

                Tubing - External Upset

                1.050
                2 3/8
                1.900
                4 1/2
                10
                8
                3/4
                3/4

                Tubing - Integral Joint

                2 3/8

                4 1/2

                8

                3/4

                Extreme Line Casing

                5
                8 5/8
                7 5/8
                10 3/4
                6
                5
                1 1/2
                1 1/4

                Spec 7 (Plug/Ring)





                NC Connections

                NC 10
                NC 23
                NC 56
                NC 16
                NC 50
                NC 77
                6
                4
                4
                1 1/2
                2
                3
                Regular
                Full Hole
                1
                3 1/2
                8 5/8
                6 5/8
                4-6
                4-5
                1 1/2, 2, 3
                2, 3
                Internal Flush

                2 3/8

                5 1/2

                4

                2

                Other Oil Field Related Connections (Plug/Ring)





                H-90

                2 3/8

                8 5/8

                3-3 1/2

                1 1/4, 2, 3

                Slim Hole

                2 3/8


                4

                2

                Extra Hole

                2 7/8

                5

                4

                2

                Wide Open

                2 3/8


                4

                2

                AOH

                2 3/8

                4 1/2

                4

                1 1/2

                PAC

                2 3/8

                3 1/2

                4

                1 1/2

                XHole

                2 7/8

                3 1/2

                4

                2

                Spec 11B





                Sucker Rods B1 to B6

                1/2

                1 1/8

                10


                Sucker Rods P1 to P8

                1/2

                1 1/8

                10


                Specials





                Mining: BECO, DI-22, DI-42





                American National Special Threads





                Tapered Thread Gages - AWWA





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