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材质：國(guó)标
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镀锌钢管现行國(guó)标标准：
GB/T3091-2008《低压流體(tǐ)输送焊接钢管》
GB/T13793-2008《直缝電(diàn)焊钢管》
GB/T21835-2008《焊接钢管尺寸及单位長(cháng)度重量》
镀锌钢管制作工艺标准：
热镀锌管是使熔融金属与铁基體(tǐ)反应而产生合金层，从而使基體(tǐ)和镀层二者相结合。热镀锌是先将钢管进行酸洗，為(wèi)了去除钢管表面的氧化铁，酸洗后，通过氯化铵或氯化锌水溶液或氯化铵和氯化锌混合水溶液槽中进行清洗，然后送入热浸镀槽中。热镀锌具有(yǒu)镀层均匀，附着力强，使用(yòng)寿命長(cháng)等优点。热镀锌钢管基體(tǐ)与熔融的镀液发生复杂的物(wù)理(lǐ)、化學(xué)反 镀锌钢管应，形成耐腐蚀的结构紧密的锌一铁合金层。合金层与纯锌层、钢管基體(tǐ)融為(wèi)一體(tǐ)。故其耐腐蚀能(néng)力强。
|
产品部分(fēn)参数 （GB/T3094-2000）
|
|
边長(cháng)/mm
|
壁厚/mm
|
截面面积/cm2
|
理(lǐ)论重量/kg/M
|
惯性矩/cm4
|
截面模数/cm3
|
|
40
|
3.5
|
4.9
|
3.85
|
11.16
|
5.58
|
|
4
|
5.49
|
4.56
|
14.37
|
6.84
|
|
5
|
6.98
|
5.48
|
16.56
|
7.87
|
|
6
|
7.55
|
5.93
|
15.34
|
7.67
|
|
50
|
4
|
7.09
|
5.56
|
25.56
|
10.22
|
|
5
|
8.58
|
6.73
|
29.81
|
11.93
|
|
6
|
9.95
|
7.81
|
33.35
|
13.34
|
|
7
|
11.21
|
8.8
|
36.23
|
14.49
|
|
8
|
12.35
|
9.7
|
38.51
|
15.41
|
|
60
|
5
|
10.58
|
8.3
|
54.57
|
18.19
|
|
6
|
13.35
|
9.69
|
61.82
|
20.61
|
|
7
|
14.01
|
11
|
68.03
|
22.68
|
|
8
|
15.55
|
12.21
|
73.28
|
24.43
|
|
70
|
5
|
12.58
|
9.87
|
90.26
|
25.79
|
|
6
|
14.7
|
11.58
|
103.1
|
29.47
|
|
7
|
16.81
|
13.19
|
114.5
|
32.72
|
|
8
|
18.75
|
14.72
|
124.5
|
35.57
|
|
80
|
5
|
14.58
|
11.44
|
138.9
|
34.72
|
|
6
|
17.15
|
13.46
|
159.7
|
39.93
|
|
7
|
19.61
|
15.39
|
178.5
|
44.63
|
|
8
|
21.95
|
17.23
|
195.4
|
48.85
|
|
92
|
5
|
16.98
|
13.33
|
217.1
|
47.19
|
|
6
|
20.03
|
15.72
|
251.1
|
54.59
|
|
7
|
22.97
|
18.03
|
282.3
|
61.38
|
|
8
|
25.79
|
20.25
|
310.9
|
67.58
|
|
100
|
5
|
18.58
|
14.58
|
282.8
|
56.57
|
|
6
|
21.95
|
17.23
|
328.2
|
65.54
|
|
7
|
25.21
|
19.79
|
370.2
|
74.04
|
|
8
|
28.35
|
22.36
|
408.9
|
81.78
|
|
108
|
5
|
19.96
|
15.67
|
346.99
|
72.14
|
|
6
|
23.55
|
18.49
|
400.07
|
85.13
|
|
7
|
27.02
|
21.21
|
448.15
|
97.61
|
|
8
|
30.35
|
23.82
|
491.42
|
109.56
|
|
10
|
36.62
|
28.75
|
564.27
|
131.84
|
|
12
|
42.37
|
33.26
|
620.05
|
151.91
|
|
12.5
|
43.73
|
34.33
|
631.48
|
156.57
|
|
14
|
47.59
|
37.36
|
660.12
|
169.71
|
|
16.5
|
53.38
|
41.9
|
690.13
|
188.75
|
|
18
|
56.46
|
44.32
|
698.5
|
198.48
|
|
110
|
7
|
28.01
|
21.99
|
503.4
|
91.54
|
|
8
|
31.55
|
24.77
|
557.9
|
101.4
|
|
9
|
34.98
|
27.46
|
608.4
|
110.6
|
|
10
|
37.42
|
29.37
|
600.9
|
137.26
|
|
12
|
43.33
|
34.01
|
661.57
|
158.3
|
|
14
|
48.71
|
38.24
|
705.79
|
177.05
|
|
16
|
53.57
|
42.05
|
734.96
|
193.47
|
|
18
|
57.9
|
45.45
|
750.37
|
207.58
|
|
120
|
5
|
22.36
|
17.55
|
485.47
|
89.79
|
|
6
|
26.43
|
20.75
|
562.16
|
106.17
|
|
7
|
30.38
|
23.85
|
632.54
|
121.99
|
|
8
|
34.19
|
26.84
|
696.82
|
137.23
|
|
10
|
41.42
|
32.15
|
807.91
|
165.94
|
|
12
|
48.13
|
37.78
|
987.05
|
192.03
|
|
14
|
54.31
|
42.63
|
9665.79
|
216.23
|
|
16
|
59.97
|
47.08
|
1015.66
|
237.3
|
|
150
|
6
|
33.63
|
26.4
|
1145.91
|
168.85
|
|
7
|
38.78
|
30.44
|
1299.44
|
194.7
|
|
8
|
43.79
|
34.38
|
1443
|
219.85
|
|
10
|
53.42
|
41.93
|
1701.21
|
268.02
|
|
12
|
62.53
|
49.09
|
1922.61
|
313.26
|
|
14
|
71.11
|
55.82
|
2109.19
|
355.49
|
|
16
|
79.17
|
62.15
|
2262.95
|
394.63
|
|
180
|
16
|
98.37
|
77.22
|
4252.42
|
590.55
|
|
18
|
108.3
|
85.02
|
4541.3
|
648.77
|
|
200
|
8
|
59.79
|
46.94
|
3621
|
400.25
|
|
10
|
73.42
|
58.63
|
4337.63
|
491.53
|
|
12
|
86.53
|
67.93
|
4983.59
|
579.08
|
|
14
|
99.11
|
77.8
|
5562.26
|
662.78
|
|
16
|
111.17
|
87.27
|
6076.38
|
742.55
|
|
18
|
122.7
|
96.32
|
6528.64
|
818.29
|
|
250
|
10
|
93.42
|
73.33
|
8841.87
|
781.73
|
|
12
|
110.53
|
86.77
|
10254.22
|
924.94
|
|
14
|
127.11
|
99.78
|
11556.24
|
1063.51
|
|
16
|
143.17
|
112.39
|
12751.41
|
1197.31
|
|
18
|
158.7
|
124.58
|
13843.17
|
1326.27
|
|
280
|
10
|
105.42
|
82.75
|
12648.95
|
987.86
|
|
12
|
124.93
|
98.07
|
14726.82
|
1170.88
|
|
14
|
143.91
|
112.97
|
16663.46
|
1348.77
|
|
16
|
162.37
|
127.46
|
18462.79
|
1521.42
|
|
18
|
180.3
|
141.54
|
20128.71
|
1688.73
|
|
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