|
|
|
国家标准GB/T12772-1999
|
|
公称口径Dg
|
管外径D2
|
壁厚T
|
长度L
|
重量Kg
|
|
mm
|
mm
|
mm
|
mm
|
L=3000mm
|
|
50
|
61
|
4.3
|
3000±20mm
|
16.5
|
|
75
|
86
|
4.4
|
3000±20mm
|
24.4
|
|
100
|
111
|
4.8
|
3000±20mm
|
34.6
|
|
125
|
137
|
4.8
|
3000±20mm
|
43.1
|
|
150
|
162
|
4.8
|
3000±20mm
|
51.2
|
|
200
|
214
|
5.8
|
3000±20mm
|
81.9
|
|
250
|
268
|
6.4
|
3000±20mm
|
113.6
|
|
300
|
318
|
7
|
3000±20mm
|
148.0
|
|
