배관용 강관 표준 치수표(JIS) 
 
(A) (B) 외경(mm) STD #10 #20 #30 #40 #60 #80 #100 #120 #140 #160
8 1/4 13.7
2.24
(0.63)
      
2.24
(0.63)
  
3.02
(0.80)
        
10 3/8 17.1
2.31
(0.84)
      
2.31
(0.84)
  
3.20
(1.10)
        
15 1/2 21.3
2.77
(1.27)
      
2.77
(1.27)
  
3.73
(1.62)
      
4.78
(1.95)
20 3/4 26.7
2.87
(1.69)
      
2.87
(1.69)
  
3.91
(2.20)
      
5.56
(2.90)
25 1 33.4
3.38
(2.50)
      
3.38
(2.50)
  
4.55
(3.24)
      
6.35
(4.24)
32 1 1/4 42.2
3.56
(3.39)
      
3.56
(3.39)
  
4.85
(4.47)
      
6.35
(5.61)
40 1 1/2 48.3
3.68
(4.05)
      
3.68
(4.05)
  
5.08
(5.41)
      
7.14
(7.25)
50 2 60.3
3.91
(5.44)
      
3.91
(5.44)
  
5.54
(7.48)
      
8.74
(11.11)
65 2 1/2 73.0
5.16
(8.63)
      
5.16
(8.63)
  
7.01
(11.41)
      
9.53
(14.92)
80 3 88.9
5.49
(11.29)
      
5.49
(11.29)
  
7.62
(15.27)
      
11.13
(21.35)
90 3 1/2 101.6
5.74
(13.57)
      
5.74
(13.57)
  
8.08
(18.63)
       -
100 4 114.3
6.02
(16.07)
      
6.02
(16.07)
  
8.56
(22.32)
  
11.3
(28.32)
  
13.49
(33.54)
125 5 141.3
6.55
(21.77)
      
6.55
(21.77)
  
9.53
(30.97)
  
12.70
(40.28)
  
15.88
(49.11)
150 6 168.3
7.11
(28.26)
      
7.11
(28.26)
  
10.97
(42.56)
  
14.27
(54.20)
  
18.26
(67.56)
200 8 219.1
8.18
(42.55)
  
6.35
(33.31)
7.04
(36.81)
8.18
(42.55)
10.31
(53.08)
12.70
(64.64)
15.09
(75.92)
18.26
(90.44)
20.62
(100.92)
23.01
(111.27)
250 10 273.1
9.27
(60.31)
  
6.35
(41.77)
7.80
(51.03)
9.27
(60.31)
12.70
(81.55)
15.09
(96.01)
18.26
(114.75)
21.44
(133.06)
25.40
(155.15)
28.58
(172.33)
300 12 323.9
9.53
(73.88)
  
6.35
(49.73)
8.38
(65.20)
10.31
(79.73)
14.27
(108.95)
17.48
(132.08)
21.44
(159.91)
25.40
(186.97)
28.58
(208.14)
33.32
(238.76)
350 14 355.6
9.53
(81.33)
6.35
(54.69)
7.92
(67.90)
9.53
(81.33)
11.13
(94.55)
15.09
(126.71)
19.05
(158.10)
23.83
(194.96)
27.79
(224.65)
31.75
(253.56)
35.71
(281.70)
400 16 406.4
9.53
(93.27)
6.35
(62.64)
7.92
(77.83)
9.53
(93.27)
12.70
(123.30)
16.66
(160.12)
21.44
(203.53)
26.19
(245.56)
30.96
(286.64)
36.53
(333.19)
40.49
(365.35)
450 18 457.2
9.53
(105.16)
6.35
(70.57)
7.92
(87.71)
11.13
(122.38)
14.27
(155.80)
19.05
(205.74)
23.83
(254.55)
29.36
(309.62)
34.93
(363.56)
39.67
(408.26)
45.24
(459.37)
500 20 508.0
9.53
(117.15)
6.35
(78.55)
9.53
(117.15)
12.70
(155.12)
15.09
(183.42
20.62
(247.83)
26.19
(311.17)
32.54
(381.53)
38.10
(441.49)
44.45
(508.11)
50.01
(564.81)
 
배관용 강관 표준 치수표(ASTM) 
 
(A) (B) 외경(mm) STD #10 #20 #30 #40 #60 #80 #100 #120 #140 #160
8 1/4 13.7
2.24
(0.63)
      
2.24
(0.63)
  
3.02
(0.80)
        
10 3/8 17.1
2.31
(0.84)
      
2.31
(0.84)
  
3.20
(1.10)
        
15 1/2 21.3
2.77
(1.27)
      
2.77
(1.27)
  
3.73
(1.62)
      
4.78
(1.95)
20 3/4 26.7
2.87
(1.69)
      
2.87
(1.69)
  
3.91
(2.20)
      
5.56
(2.90)
25 1 33.4
3.38
(2.50)
      
3.38
(2.50)
  
4.55
(3.24)
      
6.35
(4.24)
32 1 1/4 42.2
3.56
(3.39)
      
3.56
(3.39)
  
4.85
(4.47)
      
6.35
(5.61)
40 1 1/2 48.3
3.68
(4.05)
      
3.68
(4.05)
  
5.08
(5.41)
      
7.14
(7.25)
50 2 60.3
3.91
(5.44)
      
3.91
(5.44)
  
5.54
(7.48)
      
8.74
(11.11)
65 2 1/2 73.0
5.16
(8.63)
      
5.16
(8.63)
  
7.01
(11.41)
      
9.53
(14.92)
80 3 88.9
5.49
(11.29)
      
5.49
(11.29)
  
7.62
(15.27)
      
11.13
(21.35)
90 3 1/2 101.6
5.74
(13.57)
      
5.74
(13.57)
  
8.08
(18.63)
       -
100 4 114.3
6.02
(16.07)
      
6.02
(16.07)
  
8.56
(22.32)
  
11.3
(28.32)
  
13.49
(33.54)
125 5 141.3
6.55
(21.77)
      
6.55
(21.77)
  
9.53
(30.97)
  
12.70
(40.28)
  
15.88
(49.11)
150 6 168.3
7.11
(28.26)
      
7.11
(28.26)
  
10.97
(42.56)
  
14.27
(54.20)
  
18.26
(67.56)
200 8 219.1
8.18
(42.55)
  
6.35
(33.31)
7.04
(36.81)
8.18
(42.55)
10.31
(53.08)
12.70
(64.64)
15.09
(75.92)
18.26
(90.44)
20.62
(100.92)
23.01
(111.27)
250 10 273.1
9.27
(60.31)
  
6.35
(41.77)
7.80
(51.03)
9.27
(60.31)
12.70
(81.55)
15.09
(96.01)
 <
18.26