执行标准：GB/T10002.1-1996 standard:GB/T10002.1-1996 六米直管 Straight pipe 6m 公称外径(mm)Norminal Outside Diameter(Odmm) 公称压力 norminal pressure 0.6MPa 0.8MPa 1.0MPa 1.25MPa 1.6MPa 壁厚(mm)(wail thickness) 壁厚(mm)(wail thickness) 壁厚(mm)(wail thickness) 壁厚(mm)(wail thickness) 壁厚(mm)(wail thickness) 20 2.0 25 2.0 32 2.0 2.4 40 2.0 2.4 3.0 50 2.0 2.4 3.0 3.7 63 2.0 2.5 3.0 3.8 4.7 75 2.2 2.9 3.6 4.5 5.6 90 2.7 3.5 4.3 5.4 6.7 110 3.2 3.9 4.8 5.7 7.2 125 3.7 4.4 5.4 6.0 7.4 140 4.1 4.9 6.1 6.7 8.3 160 4.7 5.6 7.0 7.7 9.5 180 5.3 6.3 7.8 8.6 10.7 200 5.9 7.3 8.7 9.6 11.9 225 6.6 7.9 9.8 10.8 13.4 250 7.3 8.8 10.9 11.9 14.8 280 8.2 9.8 12.2 13.4 16.6 315 9.2 11.0 13.7 15.0 18.7 355 9.4 12.5 14.8 16.9 21.1 400 10.6 14.0 15.3 19.1 23.7 450 12.0 15.8 17.2 21.5 26.7 500 13.3 16.8 19.1 23.9 29.7 560 14.9 17.2 21.4 26.7 630 16.7 19.3 24.1 30.0 710 18.9 22.0 27.2 800 21.2 24.8 30.6。