호칭 |
외경 mm |
두께 mm |
단위중량 kg/m |
단면적 ㎠ |
|
A |
B |
||||
15 |
½ |
21.7 |
2.0 |
0.972 |
1.238 |
20 |
¾ |
27.2 |
2.0 2.3 |
1.24 1.41 |
1.583 1.799 |
25 |
1 |
34.0 |
2.3 |
1.80 |
2.291 |
32 |
1¼ |
42.7 |
2.3 2.8 |
2.29 2.76 |
2.919 3.510 |
40 |
1½ |
48.6 |
2.3 2.8 3.2 |
2.63 3.16 3.58 |
3.345 4.029 4.564 |
50 |
2 |
60.5 |
2.3 3.2 4.0 |
3.30 4.52 5.57 |
4.205 5.760 7.100 |
65 |
2½ |
76.3 |
2.8 3.2 4.0 |
2.08 5.77 7.13 |
6.465 7.349 9.085 |
80 |
3 |
89.1 |
2.8 3.2 4.0 |
5.96 6.78 8.39 |
7.591 8.636 10.690 |
90 |
3½ |
101.6 |
3.2 4.0 5.0 |
7.76 9.63 11.9 |
9.892 12.26 15.17 |
100 |
4 |
114.3 |
3.2 3.6 4.5 5.6 |
8.77 9.83 12.2 15.0 |
11.17 12.52 15.52 19.12 |
125 |
5 |
139.8 |
3.6 4.0 4.5 6.0 |
12.1 13.4 15.0 19.8 |
15.40 17.07 19.13 25.22 |
150 |
6 |
165.2 |
4.5 5.0 6.0 7.0 |
17.8 19.8 23.6 27.3 |
22.72 25.16 30.01 34.79 |
175 |
7 |
190.7 |
4.5 5.0 6.0 7.0 |
20.7 22.9 27.3 31.7 |
26.32 29.17 34.82 40.40 |
200 |
8 |
216.3 |
4.5 6.0 7.0 8.0 |
23.5 31.1 36.1 41.1 |
29.94 39.61 46.03 52.35 |
250 |
10 |
267.4 |
6.0 7.0 8.0 9.0 |
38.7 45.0 51.2 57.4 |
49.27 57.27 65.19 73.06 |
300 |
12 |
318.5 |
6.0 7.0 8.0 9.0 |
46.2 53.8 61.3 68.7 |
58.91 68.50 78.04 87.51 |