GB/T 32289-2015 Translated English of Chinese Standard. (GBT 32289-2015, GB/T32289-2015, GBT32289-2015): Quality Carbon Structure Steels and Alloy Structure Steels for Large Forgingshttps://www.chinesestandard.net, 2 พ.ย. 2016 - 15 หน้า This Standard specifies the classification and codes, order content, dimensions, shape, weight and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of high quality carbon structure steels and alloy structure steels for large forgings. |
เนื้อหา
Foreword | 7 |
Technical Requirements | 8 |
Test Methods | 13 |
Inspection Rules | 14 |
Packaging Marking and Quality Certification | 15 |
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5.1.1 The allowable 5.1.2 The allowable 5.4.1 The forgings according to GB/T allowable deviations 5.1.1 allowable dimension deviations allowable length deviations Alloy Structure Steel area/cm2 Allowable deviation batch Any piece batch Different pieces carbon structure steels Continuous casting contract cutting processing delivered by theoretical deviation above upper dimensions of forged Edge speckle segregation end face finished forging products forged and polished forged round steels forging ratio forgings for thermal forgings GB/T forgings shall meet forgings with nominal implemented according inclining and protruding limit mass fraction lower limit mass Mechanical properties meet the requirements negotiated by supplier nominal dimension pc Whole piece pieces of forgings polished forgings purchaser and indicated purchaser requires qualifying level Quality Carbon Structure requirements of GB/T requirements of Table Sectional area/cm2 Allowable skinned forgings Special requirements steels finished forging structure steels finished supplier and purchaser Test Items Test Methods Test pieces thermal pressure processing ultrasonic inspection Ultrasonic test