... B90 Size: (T1~70mm)* (W100~1050mm) * (L600~5000mm) Magnesium plate and sheetGrade: pure magnesium plate, AZ31B, AZ40M,AZ41M,AZ61A,AZ61M,AZ80A,AZ91D,M2MStandard ... 005%max, Ca: 0.04%max, Others: 0.3%max; Mg: remainderUsage: CNC engraving or etching engraving, computer, mobile, electronic ... %max, Fe: 0.005%max, Others: 0.3%max; Mg: remainderSheet and plate in AZ31B find application in medium strength ...