目录简介 | FOREWORD 1 SCOPE 2 NORMATIVE REFERENCE 3 TECHNOLOGY REQUIREMENTS 3.1 Iron casting’s steel grade, chemical composition and mechanical property 3.2 Dimension tolerance and the distributing of the tolerance band 3.3 Shift (mould shift 3.4 Machining allowance 3.5 Casting’s geometry and dimension 3.6 Casting’s heat treatment 3.7 Casting’s weight tolerance 3.8 The casting dead head’s cutting allowance and its processing method 3.9 Surface quality requirement 3.10 The casting’s repair welding 3.11 Shot blasting, paint primer 4 TESTING METHOD 5 TESTING REGULATION 5.1 Testing right and the testing place 5.2 Batch process’demarcation 5.3 The testing time,testing result’s assess and recheck 5.4 Geometry and dimension 5.5 The casting’s surface quality 5.6 The effective of the testing 5.7 The iron casting’s physico-chemical examination 6 SYMBOL AND CERTIFICATION APPENDIXA |