Product name:Cast steel Material:Stainless steel 304, alloy steel 40Cr, 42CrMo, 16Mn, 35CrNiMo, carbon steel C45, 1010 Production process:Sodium silicate sand casting, annealing, normalizing, quenching, tempering, precision machining, shell molding casting, sand blasting, Unit Weight: 0.1kg-1000kg, 0.2lbs-2000lbs Size: According to drawing Customizable or not: Yes