20crmoa抽油杆杆头板手方部校直断裂原因分析

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1、20CrMoA抽油杆杆头板手方部校直断裂原因分析200911091?[1]?20CrMoA?35CrMoA?20CrMoA?19mm????970??20?600??10????220CrMoA1?2.1?50%HCl75?8?10min?2.2?OLYMPUSPMG34%?33.13.1.1?41,830022?E-mailFeng?p@b?g?.com.cn20CrMoA20CrMoA?TG115A1672?4224200901?0039?02????????A?????????20????A?????????????'???????

2、?????????????????????????????FENGY?e-pingMAXiao-j?anMan?fac??ringManagemen?Depar?men?,Ba?iIron&S?eelCo.,Bao??eel,Gro?pA???????:20CrMoA??ekerrodhead???q?are?pannerfrac??redin??raighe?ningproce??.Thefrac??re??rface?a?e?-aminedb???ing?hemacro?copicandmicro?copicme?hod??h

3、ere??l???ho?ed?ha??mallhole?ca??edb?b?bbleinra?ma?erialande?ce??i?enon-me?allicind??ion?leakd?ocrackinginforgingproce??and??b?eq?endl?frac??ringin??raigh?eningprole??.????????:20CrMoA??ekerrod;??raighe?ning;rac??re;?mallhole?;non-me?allicind??ion?3920091109120CrMoA220CrMo

4、A3780X2?3.1.23?11??3.23.2.145?A1,B1,C4e,D1.56??3.2.24%7??3.3??4??4100X5100X6100X40