公称通径 Nominal Pipe Size 外径 Outside Diameter 公称壁厚 T Norminal Wall Thickness NPS BN D SCH5s SCH10s SCH10 SCH20 SHC30 SCH40s STD SCH40 SCH60 SCH80s XS SCH80 SCH100 SCH120 SCH104 SCH160 XXS 1/8 1/4 3/8 6 8 10 10.3 13.7 17.1 --- --- --- 1.24 1.65 1.65 --- --- --- --- --- --- --- --- --- 1.73 2.24 2.31 1.73 2.24 2.31 1.73 2.24 2.31 --- --- --- 2.41 3.02 3.20 2.41 3.02 3.20 2.41 3.02 3.20 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 1/2 3/4 1 15 20 25 21.3 26.7 33.4 1.65 1.65 1.65 2.11 2.11 2.77 --- --- --- --- --- --- --- --- --- 2.77 2.87 3.38 2.77 2.87 3.38 2.77 2.87 3.38 --- --- --- 3.73 3.91 4.55 3.73 3.91 4.55 3.73 3.91 4.55 --- --- --- --- --- --- --- --- --- 4.78 5.56 6.35 7.47 7.82 9.09 11/4 11/2 2 32 40 50 42.2 48.3 60.3 1.65 1.65 1.65 2.77 2.77 2.77 --- --- --- --- --- --- --- --- --- 3.56 3.68 3.91 3.56 3.68 3.91 3.56 3.68 3.91 --- --- --- 4.85 5.08 5.54 4.85 5.08 5.54 4.85 5.08 5.54 --- --- --- --- --- --- --- --- --- 6.35 7.14 8.74 9.70 10.15 11.07 21/2 65 73.0 2.11 3.05 --- --- --- 5.16 5.16 5.16 --- 7.01 7.01 7.01 --- --- --- 9.53 14.02 3 31/2 80 90 88.9 101.6 2.11 2.11 3.05 3.05 --- --- --- --- --- --- 5.49 5.74 5.49 5.74 5.49 5.74 --- --- 7.62 8.08 7.62 8.08 7.62 8.08 --- --- --- --- --- --- 11.13 --- 15.24 --- 4 5 6 100 125 150 114.3 141.3 168.3 2.11 2.77 2.77 3.05 3.40 3.40 --- --- --- --- --- --- --- --- --- 6.02 6.55 7.11 6.02 6.55 7.11 6.02 6.55 7.11 --- --- --- 8.56 9.53 10.97 8.56 9.53 10.97 8.56 9.53 10.97 --- --- --- 11.13 12.70 14.27 --- --- --- 13.49 15.88 18.26 17.12 19.05 21.95 8 10 12 200 250 300 219.1 273.1 323.9 2.77 3.40 3.96 3.76 4.19 4.57 --- --- --- 6.35 6.35 6.35...
