With gross deposition rates from 7–20 lb of metal per hour, Electron Beam Additive Manufacturing (EBAM) 3D printing systems offer scalable production capabilities for parts from 8 in. to 19 ft long. Dual wirefeed option enables 2 different metal alloys to be combined into single melt pool to create custom alloy parts or ingots. To create graded parts/structures, users can change mixture ratio of 2 materials. System utilizes wire feedstock, available in diverse materials.