... ,Gr2,Gr3,Gr4,Gr5, Gr7, Gr9, Gr10,Gr11,Gr12, Gr23Executive Standard: ASTM B381, ASTM B348, ASTM F136, ASTM F67 composition,%Grade1Grade2Grade3Grade4Grade5Grade6Grade7Grade9Grade11Grade12N ... and alkali resistance, Bear high & low temperature , etc ApplicationAxis machining, standard part,electroplating equipment, Medical, conductive material,industry etc.Packingplywood case or ...