规格重量表
]螺旋焊管米重计算公式：（外径-壁厚）*壁厚*0.02466+0.51up][6]sup]b]
公称外径 mm
公称壁厚
5.0
5.5
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
18.0
20.0
22.0
219
26.88
29.46
32.01
37.09
42.13
273
33.54
36.78
40.01
46.42
325
39.46
43.33
47.26
54.90
62.54
70.13
377
45.88
50.39
54.89
63.87
72.80
81.67
426
51.91
57.03
62.14
72.33
82.46
92.55
102.59
457
55.73
61.24
66.73
77.69
88.58
99.43
110.23
120.98
131.60
142.34
508
74.28
86.48
98.64
110.75
122.81
134.82
146.78
158.69
529
77.38
90.11
102.78
115.41
127.99
140.51
152.99
165.42
559
81.82
95.29
108.70
122.07
135.38
148.65
161.87
175.04
610
89.37
104.09
118.76
133.39
147.96
162.48
176.96
191.39
630
92.33
107.54
122.71
137.82
152.89
167.91
182.88
197.80
660
96.77
112.72
128.63
144.48
160.29
176.05
191.76
207.42
720
105.64
123.08
140.46
157.80
175.09
192.32
209.51
226.65
820
140.34
160.19
179.99
199.75
219.45
239.10
258.71
276.26
297.77
317.23
256.01
394.58
432.96
914