1)Material:Carbon Steel,SS,Brass 2)Heat Treatment:Quenching,Tempering Investment Casting,Stainless Steel Casting,Steel Casting Investment Casting,Stainless Steel Casting,Steel Casting 1) Molding ... steel, Stainless steel, Brass, Gray iron, Aluminum, Ductile Iron 3) Molding: Hand made,Wax (suspension) line 4) Possible Heat Treatment: Normalizing ,Annealing, Quenching ...