1、 KS D ISO 13902 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS KS D ISO 13902 : 2002 (2007 ) 2002 11 30 ICS 77.080.01 KS D ISO 13902 2002 (2007 ) Steel and iron Determination of high sulfur content Infrared absorption method after combustion in an induction furnace 1997 1 ISO 13902, Steel and iron Determ
2、ination of high sulfur content Infrared absorption method after combustion in an induction furnace . . 0.10 0.35 %(m/m) . . . ISO 565 Test sieves Metal wire cloth, perforated metal plate and electroformed sheet Norminal sizes of openings ISO 5725 1 Accuracy(trueness and precision) of measurement met
3、hods and results Part 1 General princlples and definitions ISO 5725 2 Accuracy(trueness and precision) of measurement methods and results Part 2 Basic method for the determination of repeatability and reproducibility of a standard measurement method ISO 5725 3 Accuracy(trueness and precision) of mea
4、surement methods and results Part 3 Intermediate measures of the precision of a standard measurement method ISO 14284 Steel and iron Sampling and preparation of samples for the determination of chemical composition . . . , . 99.5 %(m/m) . 450 ( ) ( ) . 0.000 5 %(m/m) ( .). . 0.7 1.2 mm . 0.000 5 %(m
5、/m) . . 99.5 %(m/m). 105 110 3 D ISO 13902 2002 2 . ( ). 0.7 1.2 mm . , . . . . 0.001 mg . . 1 100 2 . 450 12 . ISO 14284 . . ( ). . . . . ( ) ( ) ( ) . . . , . , . / , . 0 . , . . . . ( ) . . 0.5 g 1 mg ( ) ( ) 0.5 0.001 g ( ). . 2 . D ISO 13902 2002 3 ( ) ( ) . ( ) 1.000 g ( ) 1.5 0.1 g . . ( ) (m
6、g S) . (m 1 ) 2 ( ) . 0.005 mg , 0.003 mg . , . . 2 ( ) . ( ) . 1 ( ) 0.500 g 1.000 g . ( ) 1.5 0.1 g . . ( ) (mg S) . 0.500 g (m 2 ) 1.000 g (m 4 ) 0.500 g (m 3 ) . 1.000 g (m 5 ) 0.500 g (m 2 ) 2 . m 5 2 m 2 2 (m 4 m 3 ) ( ) ( ) . ( ) ( ) ( ) ( ) 1.5 0.1 g . . . . 8 ( ) ( ) . 0.001 mg ( ) . ( ) 1.
7、000 g ( ) 1.5 0.1 g . ( ) (mg) (mg) %(m/m) 0( 1 )3.64 5.46 7.28 9.10 10.92 12.74 14.56 0 0.50 0.75 1.00 1.25 1.50 1.75 2.00 0 0.10 0.15 0.20 0.25 0.30 0.35 0.40 D ISO 13902 2002 4 ( 1 ) 0 . 0 . mg . (m 0 ) mg . w S % (m/m) . w S= (m 0 m 1+ m 2 )m 10 3 100 = (m 0 m 1+ m 2 )10 m m 0 : mg (S mg) m 1: (
8、 ) mg (S mg) m 2: ( ) 0.5 g mg (S mg)( ) m : ( ) (g) 8 7 18 , 3 ( ). / . ISO 5725 1 , 2 3 . ( ) (r) (R R W ) . . 3 2 ISO 5725 1 , , , , . ( ) . ISO 5725 2 (r) (R) . 1 2 (R w ) ISO 5725 3 . %(m/m) r R R w0.10 0.15 0.20 0.25 0.30 0.35 0.004 0 0.005 9 0.007 8 0.009 7 0.011 6 0.013 4 0.017 7 0.018 8 0.0
9、20 0 0.020 7 0.021 3 0.021 9 0.009 6 0.011 3 0.012 6 0.013 8 0.015 0 0.015 9 , 500 m D ISO 13902 2002 5 , ISO 565 (500 m ) . . , w S %(m/m) . w S= (w S,1 m cf ) + (w S,2 m ff ) m cf + m ff w S,1 : %(m/m) w S,2 : %(m/m) m cf: (g) m ff: (g) . , D ISO 13902 2002 6 . . 28 kN/m 2 . . 0 4 L/min . . ( , 30 40 mm, 26 36 mm, 200 220 mm .) . O . . 1.5 2.5 kVA , . 2 6 MHz, 15 MHz 20.0 MHz . , . , . , , . . . , . . . . ( , Luft ) , . (%) . , . 0 , ,
