尺寸 理论
重量
kg
静水压试验压力 Hydrostatil Test Pressuve Mpa
API Spec 5L GB/T9711-1997
A B X42 X46 X52 X56 X60 X65 X70 L210 L245 L290 L320 L360 L390 L415 L450 L485
? 219
6
7
8
9
10
32.02
37.10
42.13
47.11
52.04
6.8
7.9
9.1
10.2
11.3
7.9
9.2
10.6
11.9
13.2
11.9
13.9
15.9
17.9
19.9
13.0
15.2
17.4
19.5
20.7
14.8
17.2
19.7
20.7
20.7
15.9
18.5
20.7
20.7
20.7
17.0
19.8