... UNC,JIS,BS,ISO4.)features:low density,corrosion resistance,high strength.5.) applications:Chemical industry, Medical ... corrosive environment, etc.Processing method: casting,forging and machining.Package:plastic bag inner ,export plywood case ... , Anodizing, Black oxide or Plating colorFeatureslight weight, acid and alkali resistance, anti-corrosion, excellent mechanical strength etc.StandardDIN912/933 ...