DN250信陽無縫鋼管外徑是多大 信陽無縫鋼管規格尺寸理論重量表
壁 厚（毫米）
16
17
18
19
20
22
(24)
25
(26)
28
理 論 重 量 （公斤/米）
102
33.93
35.64
37.29
38.89
40.44
43.40
46.17
-
-
-
108
36.30
38.15
39.95
41.70
43.40
46.66
49.72
51.17
52.58
55.24
114
38.67
40.67
42.62
44.51
46.36
49.91
53.27
54.87
56.43
59.38
121
41.43
43.60
45.72
47.79
49.82
53.71
57.41
59.19
60.91
64.22
127
43.80
46.12
48.39
50.61
52.78
56.97
60.96
62.89
64.76
68.36
133
46.17
48.63
51.05
53.42
55.73
60.22
64.51
66.59
68.61
72.50
140
48.93
51.57
54.16
56.70
59.19
64.02
68.66
70.90
73.10
77.34
146
51.30
54.08
56.82
59.51
62.15
67.27
72.21
74.60
76.94
81.48
152
53.66
56.60
59.48
62.32
65.11
70.59
75.76
78.30
80.79
85.62
159
56.43
59.53
62.59
65.60
68.56
74.33
79.90
82.62
85.28
90.46
168
59.98
63.31
66.59
69.82
73.00
79.21
85.23
88.16
91.05
96.67
180
64.71
68.34
71.91
75.44
78.92
85.72
92.33
95.56
98.74
104.96
194
70.24
74.21
78.13
82.00
85.28
93.32
100.62
104.19
107.72
114.63
203
73.78
77.97
82.12
86.21
90.26
98.20
105.94
109.74
113.49
120.83
219
80.10
84.69
89.23
93.71
98.15
106.88
115.42
119.61
123.75
131.89
245
90.36
95.59
100.8
105.90
110.98
120.99
130.80
135.64
140.42
149.84
273
101.41
107.33
113.2
119.02
124.79
136.18
147.38
152.90
158.38
169.18
