Surface Treatment Services (Metal Finishing)
In addition to our ultra-high quality precision manufacturing services, Greno Industries offers a range of other valuable services, including kitting, welding, CAD/CAM, and full service shipping and exporting. The list below is a sample of Greno's precision machining services, as well as our manufacturing and assembly capabilities.
Black Oxide: Durable, corrosion-resistant coating.
Bright Dipping: Polished finish for metals like brass or copper.
Metal Plating: Add protective or decorative metal layers.
Sand Blasting: Smooth or texture surfaces for finishing.
Heat Treating: Strengthen metals for heavy-duty use.
Bright Dip Anodizing
Bright dip anodizing is a finishing process that creates a smooth, highly reflective surface on aluminum before the anodic coating is applied. The aluminum is chemically polished in a heated acid solution that levels micro‑roughness, removes machining lines, and produces a mirror‑like shine.
After bright dipping, the part is anodized to add corrosion resistance, color stability, and surface hardness. This combination is popular for consumer electronics, architectural trim, medical devices, and decorative components where both appearance and durability matter. Bright dip anodizing enhances aesthetics without compromising dimensional accuracy, making it ideal for precision‑machined aluminum parts.
Heat Treating Services
Heat treating services strengthen, harden, or condition metal components by precisely controlling heating and cooling cycles. Heat treat services such as annealing, quenching, tempering, normalizing, and case hardening modify a material’s microstructure to improve durability, wear resistance, and dimensional stability. M
Manufacturers rely on heat treating to enhance performance in gears, shafts, tooling, structural parts, and high‑stress industrial components. Modern heat‑treat facilities use controlled atmospheres, induction systems, and computerized temperature monitoring to ensure repeatable results.
Whether the goal is relieving internal stress, increasing hardness, or improving toughness, the right heat-treating service is essential for achieving reliable, long‑lasting metal parts across demanding applications.
Metal Plating Services
Metal plating services apply a thin, durable metal coating to a base material to improve performance, appearance, or corrosion resistance. Using processes such as electroplating, electroless plating, and immersion plating, manufacturers can deposit metals like nickel, chrome, zinc, copper, or gold onto precision‑machined parts.
Plating services enhance wear resistance, conductivity, lubricity, and chemical protection, making it essential for components used in aerospace, automotive, medical, electronics, and industrial equipment. The process also improves surface uniformity and can restore dimensional accuracy on worn parts. With controlled thickness and consistent adhesion, metal plating delivers long‑lasting protection and reliable performance in demanding environments.
Sand Blasting Services
Sand blasting services clean, smooth, and prepare metal surfaces by propelling abrasive media at high velocity to remove rust, scale, paint, and surface contaminants. This process creates a uniform profile that improves coating adhesion for painting, powder coating, plating, or welding.
Metal sand blasting services are essential for restoring worn components, refurbishing industrial equipment, and preparing fabricated parts for finishing. It also helps reveal cracks, defects, or corrosion that may be hidden beneath old coatings. With controlled pressure and media selection—such as aluminum oxide, steel grit, or glass bead—sand blasting delivers consistent, repeatable surface preparation for durable, long‑lasting results.