Q/BQB 440-2014 Translated English of Chinese Standard. Q/BQB440-2014: Prepainted steel sheets and strips [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This Technical Conditions specifies the terms and definitions, classifications and codes, size, appearance, weight, technical requirements, inspection and testing, packaging, marking and inspection documents of prepainted steel sheet and strips. |
Contents
| 4 | |
Terms and definitions | 5 |
Classifications and codes | 6 |
Order required information | 7 |
Size appearance weight and tolerance | 8 |
Inspection and test | 13 |
Packaging marks and inspection documents | 15 |
Description of the corrosion of the environment of use | 16 |
Annex A Informative Description of the corrosion of the environmental of use | 17 |
Annex B Informative Selection of prepainted steel sheet | 21 |
Informative Storage transport and loadingunloading of prepainted | 25 |
Common terms and phrases
accelerated weathering test acid rain adhesion annual average temperature atmospheric corrosion atmospheric environment atmospheric exposure test batch blackboard temperature bottom side coating coating durability coating flexibility coating gloss coating hardness coating surface coating thickness coating weight corrosion resistance corrosive media dew point Dunhuang exposure test site factors GB/T given in Annex Guangzhou Hailar Hot-dip galvanized humidity is high inspection documents internal atmosphere Jiangjin lamp accelerated weathering maintenance and durability major maintenance mechanical properties negotiated neutral salt spray nitrogen oxides packaging pencil hardness polyvinylidene fluoride prepainted steel sheet provisions of Table Q/BQB Qingdao Qionghai radiation is strong re-inspection region is high resistance to neutral reverse impact test salt spray test sheet and strip Shenyang side coating performance Special requirements steel strip steel window substrate technical conditions Substrate type sulfur dioxide supplier temperature difference top side coating transport and loading-unloading type and coating Ultraviolet lamp accelerated usually evaluated Wuhan