GOST 31445-2012 Steel and cast iron tubes and pipes with protective coatings Technical requirements《带防护涂层的钢和铸铁管 技术要求》.pdf

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1、 , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)314452012 , 1.092 . 1.22009 . , - . , , , - 1 357 - , - ( )2 357 3 , ( 15 2012 . 49) : ( 3166) 00497 ( 3166) 00497 AZBYKZRUUZ 4 533842009 . 5 5 2013 . 139- 314452012 - 1 2014 .6 - ( 1 ), . () - . , , 2013 -, II 3144520121 .

2、12 13 24 35 56 .57 68 .69 .710 , , 8III 314452012 - - . , , - , - . - .IV 314452012 Steel and cast iron tubes and pipes with protective coatings.Technical requirements1 , / , - .2 : 314472012 , . 314482012 . 9.30186 . . 9.30288 . . 9.30384 . . 9.30789 . . 9.31591 . -. 9.40191 . . - 9.40684 . . 9.602

3、2005 . . 12.0.00490 . - . 12.1.00491 . . 12.1.00588 . - 1 314452012 20140101 12.1.00876 . . 12.1.0122004 . . 12.3.00575 . . - 12.3.00875 . - . 12.3.01687 . . -. 12.4.01189 . . 17.2.3.0278 . . 326275 . 869674 . - 873174 . 873278 . 958375,- . 1069280 , . , , 1070491 . 1070580 . 1070676 . 1070780 . 141

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