호칭 |
내경 |
피치 |
롤당 |
압력(kg/㎠) |
최소굴절반경 |
structure | ||
mm |
Inch |
mm |
mm |
m |
허용 |
파괴 |
m/m |
|
19 |
4/3 |
19 ±0.5 |
9.5±0.4 |
30 |
4.0 |
15 |
40 | |
25 |
1 |
25 ±0.5 |
8.0±0.4 |
50 |
4.0 |
15 |
45 | |
32 |
1 1/4 |
32 ±0.5 |
9.0±0.4 |
50 |
4.0 |
15 |
50 | |
38 |
1 1/2 |
38±0.5 |
9.0±0.4 |
50 |
3.5 |
13 |
55 | |
50 |
2 |
50±1.0 |
10.0±0.4 |
50 |
3.5 |
13 |
110 | |
65 |
2 1/2 |
65±1.0 |
14.5±0.5 |
50 |
2.5 |
12 |
180 | |
75 |
3 |
75±1.0 |
14.5±0.5 |
50 |
2.5 |
12 |
220 | |
100 |
4 |
100±1.5 |
15.5±0.5 |
30 |
2.5 |
10 |
240 | |
125 |
5 |
125±1.5 |
18.5±0.5 |
30 |
2.5 |
10 |
400 | |
150 |
6 |
150±1.5 |
21.0±0.5 |
20 |
2.0 |
8 |
450 | |
200 |
8 |
200±1.5 |
24.5±0.5 |
10 |
2.0 |
8 |
700 | |
250 |
10 |
250±2.0 |
24.0±0.5 |
10 |
2.0 |
6 |
950 | |
300 |
12 |
300±2.0 |
30.0±0.5 |
10 |
2.0 |
5 |
1000 |