1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 10134 KS B 1013:2012 2012 11 26 http:/www.kats.go.krKS B 1013:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :1971 10 20 :2012 11 26 2012-0638 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B 1013:2012 i 1 1 2 1 3 1 4 .2 5 .2 6 2 7 2 8 2 9 .2
2、 10 .2 11 3 11.1 .3 11.2 .3 11.3 3 11.4 3 11.5 .4 12 4 13 4 13.1 4 13.2 4 KS B 1013:2012 4 Square nuts 1 4 ( .) . , 4 . 2 . . ( ) . KS B 0101, KS B 0161, KS B 0201, KS B 0204, KS B 0211, KS B 0234, KS B 0239, KS B 1058, KS B ISO 6175 2, 2 : 3 1 , . 1 a, , 1 6 H, 7 H b2 2 , 3 c4, 5, 6 1 . 6H 2 . a 10
3、. b 6. c 4. KS B 1013:2012 2 4 KS B 0234 4, 5 6 . , (KS B 1058 ), , 300 ( 250 ) 50 . 5 1 . 6 KS B 0201 , KS B 0211 6H 7H . , . , . , . KS B 0204 3 . 7 3 , . , , KS B IOS 6157 2 . 8 2 4. . 2 (%)a C() P() S() 4, 5 6 0.05 0.060 0.150 a . , P, S Pb . P: 0.12% S: 0.34% Pb: 0.35% 9 . . , . 10 KS B 1013:20
4、12 3 3 . 3 25R2 , 1“ ” . 25R2 , 1 “ ” . 1 “ ” . KS B 0161 . , 3 . 11 11.1 4 4. . 4 KS B 0234 A.8.1 . KS B 0234 A.8.2 , . 11.2 KS B 0239 5. . 11.3 KS B 0239 6. . 11.4 , 7. . , KS B 0239 . KS B 1013:2012 4 11.5 . 12 , , , , 1) . KS B 1013 M 10 6H 5 4 M 20 3 4 (m 20) ( ) ( )( )( ) ( )( ) 13 13.1 KS B 0
5、234 A.9 . 13.2 . a) b) c) d) e) f) g) h) 1) , (m), .KS B 1013:2012 5 1 4 : mm m s e dkA B E F (d) M3 3 2.4 0 0.250 0.4 5.50 0.57.8 5.3M4 4 3.2 7 9.9 6.80.2 M5 5 4 8 11.3 7.8 2 M6 6 5 0 0.3 0 0.48 0.6 10 0 0.2 0 0.60 0.614.1 9.80.3 0.5 M8 8 6.5 13 18.4 12.5 0.4 0.6 M10 10 8 17 0 0.250 0.7 24.0 16.5 0
6、.7 M12 12 10 0 0.36 0 0.58 0.8 19 26.9 180.5 0.8 (M14) 14 11 22 31.1 21 0.7 1.0 M16 16 13 24 33.9 23 1.1 (M18) 18 15 27 38.2 260.8 1.2 M20 20 16 30 0 0.350 0.8 42.4 29 1.4 (M22) 22 18 0 0.43 0 0.7 0.9 32 45.3 310.9 1.5 M24 24 19 0 0.52 0 0.84 1 36 0 0.40 1 50.9 34 1.1 1.6 1 1 2 1 22 1 ( ) . 2 . , 7H
7、 3 . 3 M10 , 4 . 4 (m) . , m . KS B 1013:2012 6 1 4 ( ) m 3 3 6 6 10 10 18 18 24 0 0.25 0 0.30 0 0.36 0 0.43 0 0.52 0 0.40 0 0.48 0 0.58 0 0.70 0 0.84 - 0.6 0.8 0.9 1 4 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS B 1013:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Square nuts ICS 21.060.20
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