无缝钢管厚壁换算表
公称通径
Norminal
Pipe
Size DN
A系列 B系列
Series A Series B
15 21.3 18 1.6 2.1 2.6 --- --- ---
20 26.9 25 1.6 2.1 2.6 --- --- ---
25 33.7 32 1.6 2.8 3.2 --- --- ---
32 42.4 38 1.6 28 3.2 --- --- ---
40 48.3 45 1.6 2.8 3.2 --- --- ---
50 60.3 57 1.6 2.8 3.6 --- 3.2 ---
65 76.1 76 2 3 3.6 --- 4.5 ---
80 88.9 89 2 3 4 --- 4.5 ---
90 101.6 --- 2 3 4 --- 4.5 ---
100 114.3 108 2 3 4 --- 5 ---
125 139