Stainless Steel Grades 304 - 441 Resistance Welding Perforate Bend Tangent and Bends CNC Bending - Multi Stack 1D (1 X Diameter) Severe Expansion and Reduction Unique Hole and Slot Patterns Edge Rolling of Tube Ends Ram Form Sizing                                      Carbon Steel - Mechanical & DOM CNC Machining Hole Piercing Powder Coating Robotic MIG Welding Assembly Perforation on Weld Seam Minimal Deformation Extrusions - Inward and Outward DF/WF Style Louvers