规格 外径mm 壁厚mm 内径mm 1/16"*0.014" 1.59 0.36 0.87 1/8"*0.028" 3.18 0.71 1.76 1/4"*0.035" 6.35 0.89 4.57 1/4"*0.049" 6.35 1.24 3.87 1/4"*0.065" 6.35 1.65 3.05 3/8"*0.035" 9.53 0.89 7.75 3/8"*0.049" 9.53 1.24 7.05 3/8"*0.065" 9.53 1.65 6.23 1/2"*0.035" 12.7 0.89 10.92 1/2"*0.049" 12.7 1.24 10.22 1/2"*0.065" 12.7 1.65 9.4 1/2"*0.083" 12.7 2.11 8.48 3/4"*0.049" 19.05 1.24 16.57 3/4"*0.065" 19.05 1.65 15.75 3/4"*0.083" 19.05 2.11 14.83 3/4"*0.095" 19.05 2.41 14.23 3/4"*0.109" 19.05 2.77 13.51 1"*0.065" 25.4 1.65 22.1 1"*0.083" 25.4 2.11 21.18 1"*0.095" 25.4 2.41 20.58 1"*0.126" 25.4 3.2 19