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