GOST R 54566-2011 Steel Standard test methods for estimating the depth of decarburized layer《钢铁 脱碳层深度估算标准试验方法》.pdf

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1、 545662011 27 2002 . 184- , 1.02004 . 1 145 - - , 32 29 2011 . 651-3 ASTM 1077 - (ASTM E 1077 Standard Test Methods for Estimating the Depth of Decarbuirization of SteelSpecimens) , - 1.52001 ( 4.2 4.3). - 1.5. 4 - , - . () - . , - , 2014 , - - II 5456620111 12 13 .24 55 .126 .12 () .14 15 545662011

2、III C Steel. Standard test methods for estimating the depth of decarburized layer 201301011 - . - , . :a) ;b) ;c) ;d) . , , - . , -, , . - (4.2.8.5 4.2.8.6). , , . . ., , - , -, , .2 2.1 c (average depth of decarburization): .2.2 (average free-ferrite depth): .1 5456620112.3 (complete decarburizatio

3、n): , - .2.4 (free-ferrite depth): , -, . . 1 - .2.5 (maximum depth of decarburization): - .2.6 (partial decarburization): , , , , .2.7 (total depth of decarburization): , , , , . . - .3 3.1 , . - .3.2 -, , , . - , ( ), - , .3.3 , - , . .3.4 2,5 - . . 13 - , . .3.5 , - .2 5456620113 545662011 1 4 54

4、5662011 2 4 4.1 4.1.1 , , -. .4.1.2 , , , - , , - , , . ., , , - . ., , - . - . , 0,55 % -, . , , .5 545662011 3 4.1.3 - . - . , , , . - , , . ASTM E 340.4.2 4.2.1 , - . . .4.2.2 - , , , .4.2.3 - , , . - , . , , -, , , .4.2.4 . - , , . , . , . -. . , -, . , , , , . , 49.6 545662011 4 , - . - () (200 c180, 2 %- ) 6 () , (200 c180, 2 %- - ) 7 - (200 c180, 2 %- )7 545662011 5 ( ) - (200 c180, 2 %- ) 8 - ( 12) ( 23) - - . - (13) (200 c180, 2 %- - ) 9 - , - . , ,

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