1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 6751 KS B 6751:2012 2012 9 28 http:/www.kats.go.krKS B 6751:2012 ： ( ) ( ) ( ) ： (http:/www.standard.go.kr) ： ：2004 12 30 ：2012 9 28 2012-0484 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B 6751:2012 i I 1 1 1 2 1 3 .2 4 2 4.1 3 5 .3 6 .3 6.1
2、3 6.2 .4 6.3 4 7 4 7.1 .4 7.2 .5 8 5 8.1 5 8.2 6 8.3 6 8.4 6 9 .6 9.1 .6 9.2 .7 9.3 7 10 8 10.1 .8 10.2 .9 10.3 9 11 9 11.1 V- .10 11.2 (drop weight test).10 12 10 12.1 10 12.2 11 12.3 11 12.4 .12 13 .12 KS B 6751:2012 ii 13.1 .12 13.2 .14 13.3 16 13.4 17 13.5 .17 13.6 .17 13.7 (LBW) .18 13.8 (flas
3、h) 19 2 14 20 14.1 23 14.2 23 14.3 25 15 .25 15.1 .25 15.2 26 15.3 26 15.4 26 15.5 .26 15.6 ( ) .26 15.7 .27 15.8 27 16 .28 16.1 .28 16.2 53 16.3 .54 16.4 .54 16.5 54 16.6 .55 16.7 55 17 .56 17.1 56 17.2 57 17.3 57 17.4 .58 17.5 .58 3 18 59 18.1 .61 18.2 .61 18.3 (29.1 ).62 18.4 .63 18.5 64 18.6 .64
4、 KS B 6751:2012 iii 19 .65 19.1 .65 19.2 .65 19.3 .65 20 65 20.1 .65 20.2 .66 21 67 21.1 .67 22 .69 22.1 .69 22.2 (EBW), (LBW) (FRW).70 22.3 70 23 .70 23.1 70 23.2 ( )71 23.3 .71 23.4 72 23.5 72 4 24 72 24.1 .72 24.2 .73 24.3 .75 24.4 .77 24.5 .81 24.6 .82 24.7 .82 24.8 .83 24.9 85 24.10 88 25 92 25
5、1 P No. Gr. No92 25.2 (KS B 6750 ) .93 25.3 106 25.4 106 26 F No. .107 26.1 .107 26.2 .107 F No., Y No., G No.107 26.3 F No. 113 27 .114 27.1 .114 KS B 6751:2012 iv 28 114 28.1 114 28.2 .116 28.3 ( ) / .118 29 .120 29.1 .120 29.2 .125 29.3 144 29.4 .149 29.5 .151 29.6 155 30 .155 30.1 .155 30.2 155
6、 30.3 156 31 .158 31.1 .158 31.2 158 5 32 177 33 177 33.1 178 34 178 35 179 36 179 II 1 1 180 2 180 3 .180 4 180 4.1 181 5 .181 6 , , (scarf) (rabbit) .181 6.1 (flat-flow position).181 6.2 (vertical-downflow position)181 6.3 (vertical-upflow position) 182 6.4 (horizontal-flow position) 182 7 182 KS
7、B 6751:2012 v 7.1 .182 8 .183 8.1 .183 8.2 .183 8.3 .184 9 184 9.1 .184 9.2 .185 9.3 185 10 .185 10.1 .185 10.2 186 11 186 11.1 186 11.2 .186 2 13 186 13.1 188 13.2 189 13.3 ( 24.1.1 24.1.2 ) 189 14 .190 14.1 .190 15 .190 15.1 .190 3 16 193 16.1 .195 16.2 .195 16.3 ( 24.1.1 24.1.2 )196 16.4 .196 16.
8、5 196 17 .197 17.1 .197 17.2 197 17.3 .197 18 197 18.1 .197 18.2 197 19 198 19.1 .198 KS B 6751:2012 vi 4 20 198 20.1 .198 20.1 .199 20.3 199 20.4 199 20.5 , .199 20.6 199 20.7 200 20.8 .200 20.9 200 21 P No.( I 25 )201 22 F No. .201 22.1 .201 23 203 23.1 .203 23.2 .205 24 .206 24.1 206 24.2 209 24.
9、3 217 24.4 224 A( ) .227 B( ) .228 A( ) 232 B( ) .244 C( ) ASME B&PV Code P No. 246 D( ) ASME B&PV Code F No. .327 .336 KS B 6751:2012 Welding and brazing qualifications I 1 1 , . , ( ) . 2 . I , II . 2 . . ( ) . KS B 6750 ( ) 38 . KS B 6750, KS B 6752, KS B 6753, KS B 6754, KS D 6728, KS D 7004, KS
10、 D 7006, KS D 7012, KS D 7021, KS D 7022, KS D 7023, KS D 7025, KS D 7028, KS D 7030, KS D 7044, KS D 7045, KS D 7103, KS B 6751:2012 2 KS D 7107, 9 % KS D 7108, 9 % KS D 7110, 9 % KS D 7120, KS D 7121, KS D 7140, KS D 7141, ASME B&PV Code Sect. IX, Welding and brazing Qualification 3 I 31.2 . “ (pi
11、pe)” “ (tube)” . 4 , . . , . a) Welding Procedure Specification(WPS) . (1) I 2 , (2) I 5 AWS AWS Standard Welding Procedure Specification(SWPS) B( ) . AWS ( “ ” ) . , ( ), . “ ” . , 2 ( ) . , . (property) . , . Procedure Qualification Record(PQR) . 2 . , . b) . . KS B 6751:2012 3 c) ( ) (KS B 6750,
12、KS B 6753, KS B 6754 ASME B&PV Code) ( ASME B31 Code) . . . , / . , 25. / . / / . 4.1 4.1.1 1) 1) , / , . 4.1.2 / . , . A( ) . 5 I 29.1.1 29.1.2 . 6 29.1.3 29.1.4 . , 15 5 . 6.1 6.1.1 (1G) . 29.1.3 a) 6.1.2 (2G) . 29.1.3 b) 1) “ ” “ ” . KS B 6751:2012 4 6.1.3 (3G) . 29.1.3 c) 6.1.4 (4G) . 29.1.3 d)
13、6.2 6.2.1 (1G) . 29.1.4 a) 6.2.2 (2G) , . 29.1.4 b) 6.2.3 (5G) , . 29.1.4 c) 6.2.4 (6G) 45 , . 29.1.4 d) 6.3 6.3.1 (6.1) 6.2(6.2.1 ) . . 29.1.7 29.1.8 7 29.1.5 29.1.6 . , 15 . 7.1 7.1.1 (1F) , . 29.1.5 a) KS B 6751:2012 5 7.1.2 (2F) . 29.1.5 b) 7.1.3 (3F) . 29.1.5 c) 7.1.4 (4F) . 29.1.5 d) 7.2 7.2.1
14、 (1F) 45 , . 29.1.6 a) 7.2.2 (2F 2FR) a) 2F , . 29.1.6 b) b) 2FR , . 29.1.6 c) 7.2.3 (4F) , . 29.1.6 d) 7.2.4 (5F) , . 29.1.6 e) 8 8.1 . 8.1.1 (9.) . 8.1.2 KS B 6751:2012 6 (10.) . 8.1.3 , (contour) (12.) . 8.1.4 (11.1 11.2) . 8.1.5 , - (deflection-bend), (hammering), ( 29.5.4, 29.5.5 29.5.6) (14.2.
15、5) . 8.2 , 18.4 (8.1) (13.1) . 8.3 , 18.5 (8.1) (13.1) . 8.4 (13.4) . 9 9.1 29.2.1 a) 29.2.1 e) , 9.3 . 9.1.1 29.2.1 a) . a) 25 mm , (full thickness specimen) . b) 25 mm , c) d) (multiple specimen) . c) , (set) . KS B 6751:2012 7 . d) , . , 9.3 . 9.1.2 75 mm 29.2.1 b) . a) 25 mm , . b) 25 mm , c) d)
16、 . c) , . . d) , . , 9.3 . 75 mm , 29.2.1 c) . 9.1.3 29.2.1 d) . a) 25 mm , , 29.2.1 d) (D) 29.2.1 d) 1 . b) 25 mm , 25 mm . 16 mm . c) , . . d) , 9.3 . 9.1.4 75 mm 29.2.1 e) . 9.2 . . 9.3 9.3.1 KS B 6751:2012 8 C( ) . . a) b) , c) ( ) , d) , 95 % . e) 13 mm (alclad) (P No.21 P No.23) . 13 mm . 10 10.1
