20NB的不锈钢管子,内径是多少,壁厚是多少?

发布网友发布时间：2022-05-30 08:26

共1个回答

热心网友时间：2023-10-16 05:57

dn
壁厚
a
15
sch
20s
2.6
a
20
sch
20s
2.6
a
25
sch
20s
3.2
a
32
sch
20s
3.2
a
40
sch
20s
3.2
a
50
sch
20s
3.6
a
65
sch
20s
3.6
a
80
sch
20s
4
a
90
sch
20s
4
a
100
sch
20s
4
a
125
sch
20s
5
a
150
sch
20s
5
a
200
sch
20s
6.3
b
250
sch
20s
6.3
b
300
sch
20s
6.3
b
15
sch
20s
2.6
b
20
sch
20s
2.6
b
25
sch
20s
3.2
b
32
sch
20s
3.2
b
40
sch
20s
3.2
b
50
sch
20s
3.6
b
65
sch
20s
3.6
b
80
sch
20s
4
b
100
sch
20s
4
b
125
sch
20s
5
b
150
sch
20s
5
b
200
sch
20s
6.3
b
250
sch
20s
6.3
b
300
sch
20s
6.3
sch
20s绝对不是指不锈钢材质！是管子壁厚的代号

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