... .The materials of castings we supply include: Bronze, Brass, Aluminum, Stainless steel, Ductile Iron and Cast Iron ... we could supply sand casting and investment bronze and brass pipe fitting with material: C83600, C87600, C95800, C92200, C86500, ... CMM measure, Material Chemical check, Water/Air Pressure check, Mechanical Property, Yield Strength, Tensile Strengh inspection. Bronze water valve body