1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D 0297 KS D 0297:2009 2009 12 29 http:/www.kats.go.krKS D 0297:2009 : ( ) ( ) () POSCO () () () () () KIST () ( ) : (http:/www.standard.go.kr) : :2009 12 29 2009-0975 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D 0297:2009 Test method for deter
2、mination of pitting corrosion resistance for seal weldment between tube and tube sheet 1 (tube) (tube sheet) . , ( ) , (mockup) . 2 . . ( ) . KS D 0219, KS M 8227, (III)(6 )( ) KS M ISO 6353 2, 2: 1 3 . 3.1 . 3.2 , , . 3.3 . 4 900 mL KS M 8227 (III) 6 (FeCl3 6H2O) 100 g ( % 6 % FeCl3 ). . , KS M 635
3、32(R13) N/20 . KS D 0297:2009 2 5 . 5.1 . (1) (mockup) ( 1). (2) ( 2). (3) ( 3). , . (4) 4 , . . 5.2 , . 5.3 . 120 . . . . 5.4 . 5.5 MgO , . 5.6 0.001 g 24 . 1 2 KS D 0297:2009 3 3 4 6 . 6.1 1 000 mL 600 mL . 5 mL/cm2 . . . (CPT, Critical Pitting Temperature) , . 0.025 mm , . 6.2 . 1 . / 6 mm 38 mm
4、38 mm / 6 mm KS D 0297:2009 4 6.3 . , 72 . 1 . 6.4 . . . 6.5 0.001 g . 0.1 mg/cm2 . . 15 . . . (: 20 ) . 5 . 6.5.1 (: 20 ) . . . 6.5.2 . . 10 . . 6.5.3 0.025 mm . . , 3 . 6.5.4 5 6. . , 10 6. . 7 . KS D 0297:2009 5 : : : : WPS : : 120 24 , cm , cm , cm , cm , cm2 , g , g , mg , mg/cm2 ( 0.1 mg/cm2)
5、1 ( ) ( ) ( ) ( : 25 m) , m , /cm2 , m KS D 0297:2009 6 : : : : WPS : : KS D 0297:2009 7 A ( ) a) b) A.1 (6% FeCl3 , 60 24 ) A4 KS D 0297:2009 8 a) b) ( , 40 ) A.2 (6% FeCl3 , 60 24 ) A4 16 KS D 0297:2009 9 a) 16b) ( , 40 ) A.3 (6 % FeCl3 , 60 24 ) A4 KS D 0297:2009 10 a) 16b) ( , 40 ) A.4 (6 % FeCl
6、3 , 60 24 ) A4 16 KS D 0297:2009 11 a) b) ( , 40 ) A.5 (6 % FeCl3 , 60 24 ) A4 KS D 0297:2009 12 A.6 (6 % FeCl3 , 60 24 ) A4 KS D 0297:2009 13 a) A4 b) 3D c) A.7 (6 % FeCl3 , 60 24 ) A4 KS D 0297:2009 14 a) A4 b) 3D c) A.8 (6 % FeCl3 , 60 24 ) A4 KS D 0297:2009 15 a) A4 b) 3D c) A.9 (6% FeCl3 , 60 2
7、4 ) A4 KS D 0297:2009 16 a) A4 b) 3D c) A.10 (6 % FeCl3 , 60 24 ) A4 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D 0297:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Test method for determination of pitting corrosion resistance for seal weldment between tube and tube sheet ICS 77.060 Korean Agency for Technology and Standards http:/www.kats.go.kr