Standard:JIS,AISI,DIN,EN,ASTM,GBGrade:200 SeriesDiameter:300mmApplication:moldCertification:ROHSHardness:HRC25-39Name:steel hemisphereSize:19mm-3000mmMaterial 1:Made of stainless steelSurface 1:Polish finishSurface 2:Unpolish finishWall Thickness:0.5mm-6mm depends on diameterMOQ:Depends on diameter Show More