紫铜管的规格

紫铜管标称直径（mm）8,10,15,20,25，32,40，50,65,80,100,125,150，in 1/4 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2 4 5 6平均外径（mm）9.52,12.7,15.88,19.05,22.22,28.58,34.92,41.28,53.98,66.68,79.38,92.08,104.78,130.18,155.58 K级0.89,1.24,1.24,1.24,1.65,···