1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS D 6020- KS D 6020 :2010 2010 5 3 http:/www.kats.go.krKS D 6020:2010 : ( ) ( ) ()TCT () () NS ( ) : (http:/www.standard.go.kr) : :1980 12 15 :2010 5 3 2010-0148 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D 6020:2010 - Nickel-copper alloy casti
2、ngs 1 - ( .) . 2 . . ( ) . KS B 0801, KS B 0802, KS B 0805, KS B 0816, KS D 0002, KS D 1651, KS D 1893, KS D 1895, 3 ( ) 1 . 1 1 NiCu C1 1.0 % 2 NiCu C2 2.75 % 3 NiCu C3 4.0 % 4 4.1 - . 4.2 (brazing) . , KS D 6020:2010 2 . 5 5.1 , (blowhole) . 5.2 2 . 2 ( %) Cu Mn Si C Mg Fe S Pb Ni+Ca NiCu C1 2.83.
3、2 0.51.5 0.51.5 0.10.3 0.080.12 3 0.05 0.005 NiCu C2 2.83.2 0.51.5 2.53.0 0.15 0.080.12 3 0.05 0.005 NiCu C3 2.83.2 0.51.5 3.54.5 0.15 0.080.12 3 0.05 0.005 5.3 5.3.1 . 5.3.2 3 . 3 N/mm 2 (HB) % NiCu C1 432 16 NiCu C2 540 10 NiCu C3 617 250 4.0 Si 6 , , , , . 7 7.1 . KS D 1651, KS D 1893, KS D 1895
4、7.2 7.2.1 8.2 8.3 , KS B 0801 4 KS D 6020:2010 3 , . 7.2.2 KS B 0802 . 7.3 KS B 0805 . 7.4 . 8 8.1 5. 6. . 8.2 . a) , 1 1 . , . b) . c) 7.2.1 . 8.3 . 8.4 KS B 0816 . , . 8.5 KS D 0002 . 9 . a) b) c) d) - 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D 6020 :2010 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Nickel-copper alloy castings ICS 77.150.30;77.150.40 Korean Agency for Technology and Standards http:/www.kats.go.kr