1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 5231 KS B 5231 :2009 2009 8 20 http:/www.kats.go.krKS B 5231:2009 : ( ) ( ) () ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ： 1972 12 30 ： 2009 8 20 2009-0413 ： ： ( 02-509-7230) (http:/www.kats.go.kr). 10 5 , . KS B 5231:2009 Gauges for taper pipe thread
2、s 1 KS B 0222 (R), (RC) (Rp) (, .) (, . , .) . , KS B 0222 (PT) (PS) A . , , , , , , , . 2 . . ( ) . KS B 0222, KS B 0422, KS B ISO 72, 2： KS D 3753, 3 , , , 1, 1, 2, 4, 5 . 1 (R) 1, 4 (RC) (Rp) 2, 5 4 , , , KS B 5231:2009 2 1 2, 3, 6 . 2 CP 3, 6 5 KS D 3753 STS 3 , HV 660 (HRC 58 ) . , 0.8S . 6 KS
3、B 0422 . 7 20 . 8 . 8.1 , . , . 8.2 , . . 8.3 , ( .) , . KS B 5231:2009 3 9 . 9.1 , , 4 f . 9.2 , , 4 w . 10 1) . R 1 1 / 2 R C 1 1 / 2 R 1 1 / 211 , . , R . 1) . KS B 5231:2009 4 1 ：mm a n P () r d d 2 d 1 l 3 T 1 l 4 g R 1 / 16R 1 / 8R 1 / 4R 3 / 8R 1 / 2R 3 / 4R 1 R 1 1 / 4R 1 1 / 2R 2 R 2 1 / 2R
4、 3 R 4 R 5 R 6 28 28 19 19 14 14 11 11 11 11 11 11 11 11 11 0.907 1 0.907 1 1.336 8 1.336 8 1.814 3 1.814 3 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 0.125 0.124 0.184 0.184 0.249 0.249 0.317 0.317 0.317 0.317 0.317 0.317 0.317 0.317 0.317 7.723 9.728 13.157 16.662 20.9
5、55 26.441 33.249 41.910 47.803 59.614 75.184 87.884 113.030 138.430 163.8307.1429.147 12.301 15.806 19.793 25.279 31.770 40.431 46.324 58.135 73.705 86.405 111.551 136.951 162.351 6.561 8.566 11.445 14.950 18.631 24.117 30.291 38.952 44.845 56.656 72.226 84.926 110.072 135.472 160.872 4.876 4.876 7.
6、353 7.687 9.979 11.339 12.700 15.009 15.009 18.184 20.926 24.101 28.864 32.039 32.039 1.814 1.814 2.674 2.674 3.628 3.628 4.618 4.618 4.618 4.618 6.927 6.927 6.927 6.927 6.927 2.948 2.948 4.345 4.345 5.896 5.896 7.504 7.504 7.504 8.659 10.390 10.390 11.545 12.700 12.700 9.5 11.5 15.5 19.0 23.5 29.0
7、36.0 44.5 50.5 62.0 77.5 90.5 115.5 141.0 166.5 1 . 2 1/4 . a KS B 0222 . 25.4 mm KS B 5231:2009 5 2 ：mm a 25.4 mm n P () r D D 2 D 1 l 0 l 1 l 2 L () T 2c 1 c 2 Rc 1 / 16Rc 1 / 8Rc 1 / 4Rc 3 / 8Rc 1 / 2Rc 3 / 4Rc 1 Rc 1 1 / 4Rc 1 1 / 2Rc 2 Rc 2 1 / 2Rc 3 Rc 4 Rc 5 Rc 6 Rp 1 / 16Rp 1 / 8Rp 1 / 4Rp 3
8、 / 8Rp 1 / 2Rp 3 / 4Rp 1 Rp 1 1 / 4Rp 1 1 / 2Rp 2 Rp 2 1 / 2Rp 3 Rp 4 Rp 5 Rp 6 28 28 19 19 14 14 11 11 11 11 11 11 11 11 11 0.907 1 0.907 1 1.336 8 1.336 8 1.814 3 1.814 3 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 0.125 0.125 0.184 0.184 0.249 0.249 0.317 0.317 0.317 0
9、317 0.317 0.317 0.317 0.317 0.317 7.723 9.728 13.157 16.662 20.955 26.441 33.249 41.910 47.803 59.614 75.184 87.884 113.030 138.430 163.830 7.142 9.147 12.301 15.806 19.793 25.279 31.770 40.431 46.324 58.135 73.705 86.405 111.551 136.951 162.351 6.561 8.566 11.445 14.950 18.631 24.117 30.291 38.952
10、 44.845 56.656 72.226 84.926 110.072 135.472 160.872 5.103 5.103 7.687 8.021 10.432 11.793 13.277 15.586 15.586 18.761 20.926 24.101 28.864 32.039 32.039 2.721 2.721 4.011 4.011 5.442 5.442 6.927 6.927 6.927 6.927 6.927 6.927 6.927 6.927 6.927 2.494 2.494 3.677 3.677 4.988 4.988 6.350 6.350 6.350 7.
11、504 9.236 9.236 10.390 11.545 11.545 6.690 6.690 10.027 10.361 13.606 14.967 17.318 19.626 19.626 22.802 24.390 27.564 32.328 35.502 35.502 2.268 2.268 3.342 3.342 4.536 4.536 5.773 5.773 5.773 5.773 6.927 6.927 6.927 6.927 6.927 1.2 1.2 2.0 2.0 3.2 3.2 4.0 5.0 5.5 6.0 7.0 7.0 8.0 8.0 8.0 0.8 0.8 1.
12、6 1.6 2.4 2.4 3.2 3.6 4.0 4.0 4.5 4.5 5.0 5.0 5.0 1 . 2 1/4 . 3 R 1 / 16 R 1 / 8 90 . a KS B 0222 . R 1 / 16 6 . R 1 / 16 , R 1 / 8 . . KS B 5231:2009 6 3 ：mm 25.4 mm n P () d a d 2 l 4 l 5 L () l 1 c 1 b 3R 1 / 16R 1 / 8R 1 / 4R 3 / 8R 1 / 2R 3 / 4R 1 R 1 1 / 4R 1 1 / 2R 2 R 2 1 / 2R 3 R 4 R 5 R 6
13、28 28 19 19 14 14 11 11 11 11 11 11 11 11 11 0.907 1 0.907 1 1.336 8 1.336 8 1.814 3 1.814 3 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 7.575 9.580 12.941 16.446 20.663 26.149 32.884 41.125 47.438 59.249 74.813 87.513 112.659 138.059 163.459 7.142 9.147 12.301 15.806 19.
14、793 25.279 31.770 40.431 46.324 58.135 73.705 86.405 111.551 136.951 162.351 2.948 2.948 4.345 4.345 5.896 5.896 7.504 7.504 7.504 8.659 10.390 10.390 11.545 12.700 12.700 3.969 3.969 6.016 6.350 8.164 9.525 10.391 12.700 12.700 15.875 17.462 20.638 25.400 28.575 28.575 6.690 6.690 10.027 10.361 13.
15、606 14.967 17.318 19.627 19.627 22.802 24.389 27.565 32.327 35.502 35.502 2.721 2.721 4.011 4.011 5.442 5.442 6.927 6.927 6.927 6.927 6.927 6.927 6.927 6.927 6.927 1.2 1.2 2.0 2.0 3.2 3.2 4.0 5.0 5.5 6.0 7.0 7.0 8.0 8.0 8.0 0.4 0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 1 b 3 . , 28 . 2 1/4 . a
16、 KS B 0222 . d 2 KS B 5231:2009 7 4 ：m d 1 l 3 T 1 25.4 mm n P (mm) () () f w R 1 / 161 R 1 / 8R 1 / 4R 3 / 8R 1 / 2R 3 / 4R 1 R 1 1 / 4R 1 1 / 2R 2 R 2 1 / 2R 3 R 4 R 5 R 6 28 28 19 19 14 14 11 11 11 11 11 11 11 11 11 0.907 1 0.907 1 1.336 8 1.336 8 1.814 3 1.814 3 2.309 1 2.309 1 2.309 1 2.309 1 2
17、309 1 2.309 1 2.309 1 2.309 1 2.309 1 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 15 15 13 13 11 11 10 10 10 10 10 10 10 10 10 91 91 134 134 181 181 231 231 231 231 231 231 231 231 231 451 451 622 622 838 838 961 961 961 961 1 057 1 057 1 057 1 057 1 057 0 10 7 7 9 9 12 12 12 12 12 12 15 15 15 15 15 21 21 27 27
18、36 36 36 36 36 36 45 45 45 45 45 14 14 18 18 24 24 24 24 24 24 30 30 30 30 30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 13 13 13 13 13 25 25 25 25 25 25 25 25 25 13 13 13 13 13 13 25 25 25 25 25 25 25 25 25 1 , a) b) . a) b) 2 l mm , m . , 2.309 mm , l 2.309 mm 2.309 16 1 0.144 mm 0 10 m m10 m 10 m2.309 m12
19、m l 1 000 l 1 000 (0.144 mm ) 1 2 0 0.012 1 2 L(2.309 mm)KS B 5231:2009 8 5 ：m D D 2 T 2 25.4 mm n P (mm) () () Rc 1 / 16 1 Rc 1 / 8Rc 1 / 4Rc 3 / 8Rc 1 / 2Rc 3 / 4Rc 1 Rc 1 1 / 4Rc 1 1 / 2Rc 2 Rc 2 1 / 2Rc 3 Rc 4 Rc 5 Rc 6 Rp 1 / 16 1 Rp 1 / 81 Rp 1 / 4Rp 3 / 8 1 Rp 1 / 2Rp 3 / 4Rp 1 Rp 1 1 / 4Rp 1
20、 1 / 2Rp 2 Rp 2 1 / 2Rp 3 Rp 4 Rp 5 Rp 6 28 28 19 19 14 14 11 11 11 11 11 11 11 11 11 0.907 1 0.907 1 1.336 8 1.336 8 1.814 3 1.814 3 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 15 15 13 13 11 11 10 10 10 10 10 10 10 10 10 21 21 24 24 24 24 3
21、1 31 31 31 31 31 31 31 31 3 3 4 4 4 4 5 5 5 5 5 5 5 5 5 18 18 20 20 20 20 26 26 26 26 26 26 26 26 26 18 18 21 21 21 21 27 27 27 27 27 27 27 27 27 6 6 7 7 7 7 9 9 9 9 9 9 9 9 9 12 12 14 14 14 14 18 18 18 18 18 18 18 18 18 14 14 21 21 28 28 36 36 36 36 36 36 36 36 36 5 0 13 13 13 13 13 13 25 25 25 25
22、25 25 25 25 25 l mm , m . , 8 mm , l 8 mm 8 0.500 mm 5 m m5 m 5 m8 m13 m 0 l 1 000 l 1 000 1 16 L (8 mm) (0.500 mm ) 1 2 0.013 0 1 2KS B 5231:2009 9 6 ：m d d 2 25.4 mm n P (mm) () () R 1 / 161 R 1 / 8R 1 / 4R 3 / 8R 1 / 2R 3 / 4R 1 R 1 1 / 4R 1 1 / 2R 2 R 2 1 / 2R 3 R 4 R 5 R 6 28 28 19 19 14 14 11
23、11 11 11 11 11 11 11 11 0.907 1 0.907 1 1.336 8 1.336 8 1.814 3 1.814 3 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 15 15 13 13 11 11 10 10 10 10 10 10 10 10 10 6 6 7 7 9 9 9 9 9 9 12 12 12 12 12 12 12 14 14 18 18 18 18 18 18 24 24 24 24 24 1
24、0 10 13 13 18 18 18 18 18 18 22 22 22 22 22 18 18 23 23 30 30 30 30 30 30 38 38 38 38 38 8 8 10 10 12 12 12 12 12 12 16 16 16 16 16 5 0 l mm , m ( 5 ). l 1 000 KS B 5231:2009 10 A KS B 0222 A.1 KS B 0222 (PT) (PS) 2) (, .) . A.2 ( R) ( P) 2 . A.3 , A.1, A.2 , A.1, A.2 . A.4 , KS D 3753 STS 3 , HV 66
25、0 (HRC 58 ) . , 0.8 S . A.5 KS B 0422 . A.6 20 . A.7 A.7.1 , . A.7.2 2) , , , , , , . KS B 5231:2009 11 , . A.8 . PT 7R A.9 , . , . . P n 4 . 25H0.960 237P h0.640 327P r0.137 278P m . A.1 . P n 4 . 25H0.960 237P h0.640 327P r0.137 278P m . A.2 KS B 5231:2009 12 A.1 ：mm S 2 S 1 l 2 l 1 25.4 mm n () P
26、 r T 2b 2c ad 2 , D 2 S S 2 l l 2 PT PT PT PT PT PT 1 PT 1 PT 1 PT 2 PT 2 PT 3 28 19 19 14 14 11 11 11 11 11 11 0.907 1 1.336 8 1.336 8 1.814 3 1.814 3 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 2.309 1 0.125 0.184 0.184 0.249 0.249 0.317 0.317 0.317 0.317 0.317 0.317 6.01 9.02 9.36 12.24 13.61 15.59 1
27、7.90 17.90 21.08 24.38 27.56 1.82 2.68 2.68 3.62 3.62 4.62 4.62 4.62 4.62 6.92 6.92 2.26 3.34 3.34 4.54 4.54 5.78 5.78 5.78 5.78 6.92 6.92 9.147 12.301 15.806 19.793 25.279 31.770 40.431 46.324 58.135 73.705 86.405 9.423 12.698 16.181 20.332 25.732 32.455 40.972 46.865 58.477 73.876 86.378 8.842 11.842 15.325 19.170 24.570 30.976 39.493 45.386 56.998 72.397 84.899 8.261 10.986 14.469 18.008 23.408 29.497 38.014 43.907 55.519 70.918 83.420 9.799 13.261 16.766 21.097 26.583 33.430 42.091 47.984 59.795 75.400 88.100 9.218 12.405 15
