優(yōu)質(zhì)防腐鋼管/涂塑鋼管制造廠商
—— 專注管道 注重品質(zhì) 源自和豐鋼管 ——
—— 專注管道 注重品質(zhì) 源自和豐鋼管 ——
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|
偏差等級(jí) |
標(biāo)準(zhǔn)化外徑允許偏差 |
|
D1 |
±1.5%，最小±0.75 mm |
|
D2 |
±1.0%。最小±0.50 mm |
|
D3 |
±0.75%．最小±0.30 mm |
|
D4 |
±0.50%。最小±0.10 mm |
|
外徑(毫米) |
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 |
100.77 |
105.90 |
110.98 |
120.99 |
130.80 |
135.64 |
140.42 |
149.84 |
|
273 |
101.41 |
107.33 |
113.20 |
119.02 |
124.79 |
136.18 |
147.38 |
152.90 |
158.38 |
169.18 |
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