３６．鋼 管 寸 法 表
炭 素 鋼 鋼 管
単位 ㎜
管の外径
径 肉 厚
JIS
ANSI
SGP
SCH10
SCH20
SCH30
SCH40
SCH60
SCH80
SCH100
SCH120
SCH140
SCH160
XXS
1/8
10.5
10.3
2.0
-
-
-
1.7
2.2
2.4
-
-
-
-
-
1/4
13.8
13.7
2.3
-
-
-
2.2
2.4
3.0
-
-
-
-
-
3/8
17.3
17.1
2.3
-
-
-
2.3
2.8
3.2
-
-
-
-
-
1/2
21.7
21.3
2.8
-
-
-
2.8
3.2
3.7
-
-
-
4.7
7.5
3/4
27.2
26.7
2.8
-
-
-
2.9
3.4
3.9
-
-
-
5.5
7.8
1
34.0
33.4
3.2
-
-
-
3.4
3.9
4.5
-
-
-
6.4
9.1
1
1/4
42.7
42.2
3.5
-
-
-
3.6
4.5
4.9
-
-
-
6.4
9.7
1
1/2
48.6
48.3
3.5
-
-
-
3.7
4.5
5.1
-
-
-
7.1
10.2
2
60.5
60.3
3.8
-
3.2
-
3.9
4.9
5.5
-
-
-
8.7
11.1
2
1/2
76.3
73.0
4.2
-
4.5
-
5.2
6.0
7.0
-
-
-
9.5
14.0
3
89.1
88.9
4.2
-
4.5
-
5.5
6.6
7.6
-
-
-
11.1
15.2
3
1/2
101.6
101.6
4.2
-
4.5
-
5.7
7.0
8.1
-
-
-
12.7
-
4
114.3
114.3
4.5
-
4.9
-
6.0
7.1
8.6
-
11.1
-
13.5
17.1
5
139.8
141.3
4.5
-
5.1
-
6.6
8.1
9.5
-
12.7
-
15.9
19.0
6
165.2
168.3
5.0
-
5.5
-
7.1
9.3
11.0
-
14.3
-
18.2
21.9
8
216.3
219.1
5.8
-
6.4
7.0
8.2
10.3
12.7
15.1
18.2
20.6
23.0
22.2
10
267.4
273.0
6.6
-
6.4
7.8
9.3
12.7
15.1
18.2
21.4
25.4
28.6
25.4
12
318.5
323.9
6.9
-
6.4
8.4
10.3
14.3
17.4
21.4
25.4
28.6
33.3
25.4
14
355.6
355.6
7.9
6.4
7.9
9.5
11.1
15.1
19.0
23.8
27.8
31.8
35.7
-
16
406.4
406.4
7.9
6.4
7.9
9.5
12.7
16.7
21.4
26.2
30.9
36.5
40.5
-
18
457.2
457.2
7.9
6.4
7.9
11.1
14.3
19.0
23.8
29.4
34.9
39.7
45.2
-
20
508.0
508.0
7.9
6.4
9.5
12.7
15.1
20.6
26.2
32.5
38.1
44.4
50.0
-
ｽﾃﾝﾚｽ 鋼 鋼 管
単位 ㎜
管の外径
径 肉 厚
JIS
ANSI
SCH5 S
SCH10 S
SCH20 S
SCH40
SCH80
SCH120
SCH160
1/8
10.5
10.3
1.0
1.2
1.5
1.7
2.4
-
-
1/4
13.8
13.7
1.2
1.65
2.0
2.2
3.0
-
-
3/8
17.3
17.1
1.2
1.65
2.0
2.3
3.2
-
-
1/2
21.7
21.3
1.65
2.1
2.5
2.8
3.7
-
4.7
3/4
27.2
26.7
1.65
2.1
2.5
2.9
3.9
-
5.5
1
34.0
33.4
1.65
2.8
3.0
3.4
4.5
-
6.4
1
1/4
42.7
42.2
1.65
2.8
3.0
3.6
4.9
-
6.4
1
1/2
48.6
48.3
1.65
2.8
3.0
3.7
5.1
-
7.1
2
60.5
60.3
1.65
2.8
3.5
3.9
5.5
-
8.7
2
1/2
76.3
73.0
2.1
3.0
3.5
5.2
7.0
-
9.5
3
89.1
88.9
2.1
3.0
4.0
5.5
7.6
-
11.1
3
1/2
101.6
101.6
2.1
3.0
4.0
5.7
8.1
-
12.7
4
114.3
114.3
2.1
3.0
4.0
6.0
8.6
11.1
13.5
5
139.8
141.3
2.8
3.4
5.0
6.6
9.5
12.7
15.9
6
165.2
168.3
2.8
3.4
5.0
7.1
11.0
14.3
18.2
8
216.3
219.1
2.8
4.0
6.5
8.2
12.7
18.2
23.0
10
267.4
273.0
3.4
4.0
6.5
9.3
15.1
21.4
28.6
12
318.5
323.9
4.0
4.5
6.5
10.3
17.4
25.4
33.3
14
355.6
355.6
-
-
-
11.1
19.0
27.8
35.7
16
406.4
406.4
-
-
-
12.7
21.4
30.9
40.5
18
457.2
457.2
-
-
-
14.3
23.8
34.9
45.2
20
508.0
508.0
-
-
-
15.1
26.2
38.1
50.0
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