最新RC输水和输气用钢管,TC穿线管,SC焊接钢管有什么区别
管材种类(图注代号) |
公称口径(mm) |
外径(mm) |
壁厚(mm) |
内径(mm) |
内孔总面积(mm2) |
内孔%时截面积(mm2) | ||
33% |
27.5% |
22% | ||||||
穿电线管
(TC) |
16 |
15.87 |
1.6 |
12.67 |
126 |
42 |
35 |
28 |
铸铁/FONT> |
19.05 |
1.6 |
15.85 |
197 |
65 |
54 |
43 | |
25 |
25.40 |
1.6 |
22.20 |
387 |
128 |
106 |
85 | |
32 |
31.75 |
1.6 |
28.55 |
640 |
211 |
176 |
141 | |
40 |
38.10 |
1.6 |
34.90 |
957 |
316 |
263 |
211 | |
50 |
50.80 |
1.6 |
47.60 |
1780 |
587 |
490 |
392 | |
焊接钢管
(SC) |
15 |
20.75 |
2.5 |
15.75 |
194 |
64 |
53 |
43 |
20 |
26.25 |
2.5 |
21.25 |
355 |
117 |
97 |
78 | |
25 |
32.00 |
2.5 |
27.00 |
573 |
189 |
157 |
126 | |
32 |
40.75 |
2.5 |
35.75 |
1003 |
331 |
276 |
221 | |
40 |
46.00 |
2.5 |
41.00 |
1320 |
436 |
363 |
290 | |
50 |
58.00 |
2.5 |
53.00 |
2206 |
728 |
607 |
485 | |
70 |
74.00 |
3.0 |
68.00 |
3631 |
1198 |
998 |
798 | |
80 |
86.50 |
3.0 |
80.50 |
5089 |
1679 |
1399 |
1119 | |
100 |
112.00 |
3.0 |
106.00 |
8824 |
2911 |
2426 |
1941 | |
输水或煤气用钢管
(RC) |
15 |
21.25 |
2.75 |
15.75 |
195 |
64 |
54 |
43 |
20 |
26.75 |
2.75 |
21.25 |
355 |
117 |
97 |
78 | |
25 |
33.50 |
3.25 |
27.00 |
573 |
189 |
158 |
126 | |
32 |
42.25 |
3.25 |
35.75 |
1003 |
331 |
276 |
221 | |
40 |
48.00 |
3.50 |
41.00 |
1320 |
436 |
363 |
290 | |
50 |
60.00 |
3.50 |
53.00 |
2206 |
728 |
607 |
485 | |
70 |
75.50 |
3.75 |
68.00 |
3631 |
1198 |
998 |
798 | |
80 |
88.50 |
4.00 |
80.50 |
5089 |
1679 |
1399 |
1119 | |
100 |
114.00 |
4.00 |
106.00 |
8824 |
2911 |
2426 |
1941 | |
125 |
140.00 |
4.50 |
131.00 |
13478 |
4447 |
3706 |
2965 | |
150 |
165.00 |
4.50 |
156.00 |
19113 |
6307 |
5256 |
4204 |