 |
호칭(mm) |
외경 |
두께(mm) |
근사내경 |
참고중량(g/m) |
표준 |
최대.최소외경의 허용차 |
평군외경의 허용차 |
최소 |
허용차 |
10 |
15 |
±0.2 |
±0.2 |
2.2 |
+0.6 |
10 |
140 |
13 |
18 |
±0.2 |
±0.2 |
2.2 |
+0.6 |
13 |
174 |
16 |
22 |
±0.2 |
±0.2 |
2.7 |
+0.6 |
16 |
256 |
20 |
28 |
±0.2 |
±0.2 |
2.7 |
+0.6 |
20 |
310 |
25 |
32 |
±0.2 |
±0.2 |
3.1 |
+0.8 |
25 |
448 |
30 |
38 |
±0.3 |
±0.2 |
3.1 |
+0.8 |
31 |
542 |
35 |
42 |
±0.3 |
±0.2 |
3.1 |
+0.8 |
35 |
605 |
40 |
48 |
±0.3 |
±0.2 |
3.6 |
+0.8 |
40 |
791 |
50 |
60 |
±0.4 |
±0.2 |
4.1 |
+0.8 |
51 |
1,122 |
65 |
76 |
±0.5 |
±0.3 |
4.1 |
+0.8 |
67 |
1,445 |
75 |
89 |
±0.5 |
±0.3 |
5.5 |
+0.8 |
77 |
2,202 |
100 |
114 |
±0.6 |
±0.4 |
6.6 |
+1.0 |
100 |
3,409 |
125 |
140 |
±0.8 |
±0.5 |
7.0 |
+1.0 |
125 |
4,464 |
150 |
165 |
±1.0 |
±0.5 |
8.9 |
+1.4 |
146 |
6,701 |
200 |
216 |
±1.3 |
±0.7 |
10.3 |
+1.4 |
194 |
10,129 |
250 |
267 |
±1.6 |
±0.9 |
12.7 |
+1.8 |
240 |
15,481 |
300 |
318 |
±1.9 |
±1.0 |
15.1 |
+2.2 |
286 |
21,962 | |
 |
호칭(mm) |
외경 |
두께(mm) |
근사내경 |
참고중량(g/m) |
표준 |
평균외경의 허용차 |
최소 |
허용차 |
35 |
42 |
±0.2 |
1.8 |
+0.4 |
38 |
359 |
40 |
48 |
±0.2 |
1.8 |
+0.4 |
44 |
413 |
50 |
60 |
±0.2 |
1.8 |
+0.4 |
56 |
521 |
65 |
76 |
±0.3 |
2.2 |
+0.6 |
71 |
825 |
75 |
89 |
±0.3 |
2.7 |
+0.6 |
83 |
1,159 |
100 |
114 |
±0.4 |
3.1 |
+0.8 |
107 |
1,737 |
125 |
140 |
±0.5 |
4.1 |
+0.8 |
131 |
2,739 |
150 |
165 |
±0.5 |
5.1 |
+0.8 |
154 |
3,941 |
200 |
216 |
±0.7 |
6.5 |
+1.0 |
202 |
6,572 |
250 |
267 |
±1.0 |
7.8 |
+1.2 |
250 |
9,758 |
300 |
318 |
±1.1 |
9.2 |
+1.4 |
298 |
13,701 | |