中石化钢管壁厚
SH3405 管壁厚度, mm 公称
直径
外径
DO,mm sch
5s
Sch
10s
Sch
20s
Sch
40s
Sch
80s
Sch
20
Sch
30
Sch
40
Sch
60
Sch
80
Sch
100
Sch
120
Sch
140
Sch
160
xxs
10 17 1.2 1.6 2.0 2.5 3.2 2.5 3.5
15 22 1.6 2.0 2.5 3.0 4.0 3.0 4.0 5.0 7.5
20 27 1.6 2.0 2.5 3.0 4.0 3.0 4.0 5.5 8.0
25 34 1.6 2.8 3.0 3.5 4.5 3.5 4.5 6.5 9.0
(32) 42 1.6 2.8 3.0 3.5 5.0 3.5 5.0 7.0 10.0
40 48