1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2001 12 6 http:/www.kats.go.kr KS D ISO 437 KS D ISO 437: 2001 (ISO 437: 1982, IDT) (2011 )D ISO 437: 2001 : ( ) ( ) INI ( ) : (http:/www.standard.go.kr) : : 2001 12 6 : 2011 12 30 2011-0681 : : ( 02-509-72747) (http:/www.kats.go.kr). 10 5 , . ICS 77.080.01
2、 KS Steel and cast iron Determination of total carbon content Combustion gravimetric method D ISO 437: 2001(ISO 437: 1982, IDT)(2011 ) 1982 1 ISO 437, Steel and cast iron Determination of total carbon content Combustion gravimetric method . 1. , , 0.1 %(m/m) . 2. . . . IEC ISO . ISO 377 2 Selection
3、and preparation of samples and test pieces of wrought steels Part 2: Samples and test pieces intended for the determination of the chemical composition ISO 565 Test sieves Woven metal wire cloth and perforated plate Nominal sizes of apertures 3. (1 200 1 350 ) . . 4. . 4.1 99 %(V/V) . 4.2 Mg(ClO4)2
4、4.3 , , , , 4.4 4.5 4.5.1 . 50 g , (4 L) 200 g 4 (MnSO4 4H2O) 2.5 L . , 1 L (225 g/L) . 10 . D ISO 437: 2001 2 50 100 mL 10 . , , 500 600 mL 3 4 L . . . 15 cm 5 cm ( .). , . 105 . 0.8 mm 105 . 4.5.2 (Na3VO4) 60 g 400 mL 15 . 170 g (AgNO3) 200 mL . . . (Cl) . 80 . . . . 4.6 2 mm . 4.7 4.8 / ( 1.83 g/
5、mL) . . 5. , , , , , ( 1 ). 5.1 (A) . 5.2 (B) 5.3 (C) 625 (4.7) . 5.4 (D) (4.2) (4.6) 25 mm, 100 mm . 5.5 (E) , 1 350 . . 5.6 (F) . . . 5.7 (G) , 20 30 mm 650 D ISO 437: 2001 3 mm . . 5.8 (H) 80 100 mm, 12 14 mm, 8 9 mm), . 5.9 (I) . 5.10 (L) (4.5) . , / (4.8) . 5.11 (M) (4.2) . 5.12 (N) (4.6) (4.2)
6、 . ( 2 ) 100 g . 5.13 (O), (N) 5.14 (P) 1 2 6. ISO 377 2 . 7. . 7.1 , (4.1) , (E) 1 2001 350 ( ) 300 500 mL 10 15 . (N) D ISO 437: 2001 4 . 7.2 . 0.001 g (m3) . a) 0.1 1 %: 2 g b) 1 2 %: 1 g c) 2 % : 0.5 g 7.3 (4.3) (H) . (N) . (4.3) (H) (4.4) . 7.4 (7.2) (H) 1 2 g (4.3) , . , . , 1 300 500 mL . 1 ,
7、 15 20 (G), (L), (M) . . 7.5 , (N) (G) . . (N) . . (m1) . 8. . 100273.0321mmm3213.27mmm = m1: (g) m2: (7.3) (g) m3: (g) 0.273: 9. . a) b) c) d) 153787 1 92 3(13) (02)26240114 (02)2624 0148 9 http:/ KS D ISO 437: 2001 (ISO 437: 1982, IDT) Steel and cast iron-determinationof total carbon content-Combustiongravimetric methodICS 77.080.01 KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKS Korean Agency for Technology and Standards http:/www.kats.go.kr