简要说明：螺旋缝高频焊钢管　螺旋缝埋弧焊钢管
给水管系　PE63PE80PE100　燃气管系　PE80PE100

　　螺旋缝高频焊钢管（单位米重）理论计算表
6
7
8
9
10
11
12
13

Φ219
31.52
36.60
41.63
46.61
51.54
56.43
61.26
66.04

Φ273
39.51
45.92
52.28
58.60
64.86
71.07
77.24
83.36

Φ325
47.20
54.90
62.54
70.14
77.68
85.18
92.63
100.03

Φ377
54.90
63.87
72.80
81.68
90.51
99.29
108.02
116.70

Φ426
62.15
72.33
82.47
92.55
102.59
112.58
122.52
132.41

Φ478
69.84
81.31
92.73
104.10
115.42
126.69
137.01
149.08

Φ529
77.39
90.11
102.79
115.42
127.99
140.52
153.00
165.43