GB/T 14985-2007 Translated English of Chinese Standard (GB/T 14985-2007, GBT14985-2007): General rules of dimensions, shape, surface, quality, testing method and inspection for expansion alloys [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2023 M05 2 - 18 páginas This Standard specifies the dimensions, shape and allowable deviation, surface quality, testing methods, inspection rules, packaging, marks and quality certificates for expansion alloys. This Standard applies to expansion alloys with a certain average linear expansion coefficient within a certain temperature range. |
Contenido
3 | |
Scope | 5 |
Order content | 7 |
Dimensions shapes and allowable deviations | 8 |
Surface quality | 12 |
Inspection rules | 13 |
Packaging marks and quality certificate | 14 |
Annex A normative Inspection method for expansion alloy phase transformation | 15 |
Términos y frases comunes
accuracy grade accuracy requirements air tightness allowable deviation alloy materials analysis of iron batch of alloys carried out according chemical analysis Cold drawn pulled cold rolled strips content in GB/T contract deviation for dimension diameter or side Dimension and allowable dimension and shape dimethylglyoxime directly refer double the number drawn and polished dry ice electrolytic etchant expansion alloys Figure A.1 finished product freezing gravimetric method grinding hot forged materials hot rolled bars Hydrochloric acid inspection and acceptance marks and quality martensitic transformation materials shall comply Methods for chemical molybdenum Nitric acid Outer diameter phase transition piece per furnace pieces per batch polished bars quality certificate reinspection results relevant content requirements in Table Revise the allowable Sampling quantity shape regulations side length specified specimen spectrophotometric method GB/T square steel steel and alloy straight strips surface quality Table A.1 taken for reinspection Test method total curvature wall thickness wear marks width