Surface Finishing Guides

Learn when hard coat anodizing makes sense, how it changes dimensions, and which alloys work best. Get a DFM and coating recommendation from RPS.

Alodine (chromate conversion coating) preserves conductivity and dimensional accuracy on aluminum parts. Learn when to choose it over anodizing, Type I vs Type II, and how to specify MIL-DTL-5541 correctly.

Compare anodizing, hard anodizing, powder coating, and chromate conversion for aluminum parts. Learn how alloy choice, tolerance impact, and environment determine the right finish.

Metal plating process guide: zinc vs electroless nickel vs chrome vs gold, plating thickness tolerances, hydrogen embrittlement, DFM & quality control.

Aluminum coating comparison: anodizing vs powder coating vs plating — thickness, tolerance impact, corrosion resistance, cost & selection guide for engineers.

Compare black oxide, zinc plating, and anodizing — covering corrosion resistance (12 hrs vs 240 hrs vs 1000+ hrs salt spray), coating thickness impact on tolerances, cost ranking, material compatibility, appearance, when NOT to use each, and a structured selection framework.

Engineer's guide to aluminum coatings — anodizing vs powder coating vs plating comparison on corrosion, wear, cost, thickness, and alloy compatibility for OEM parts.

Engineer's guide to vacuum metalizing — process steps, coating thickness, cost comparison with electroplating and PVD, material selection, and application decision framework.

Engineer's guide to brass powder coat — pretreatment, adhesion testing, cost comparison with plating, and DFM tips for reliable finishing on non-ferrous parts.

Engineer's guide to polished vs brushed stainless steel — Ra values, No.4 and No.8 finishes, corrosion performance, and cost comparison for OEM applications.

Case hardening explained: process, types (carburizing, nitriding, induction), case depth, HRC values, cost, and how to choose the right method.

Engineer's guide to electroplating aluminum — zincate process, adhesion control, plating vs anodizing, thickness and cost trade-offs for OEM parts.

Heat treatment alters metal properties through controlled heating and cooling. Learn about annealing, quenching, tempering, carburizing, temperature ranges, and when to specify each process.

Complete guide to black anodizing — covering the process, Type II vs Type III, thickness impact on tolerances, alloy compatibility, cost factors, common defects, MIL-A-8625 standards, and industrial applications for CNC aluminum parts.

Complete guide to the screen printing process — covering step-by-step workflow, critical parameters (mesh, ink, curing), material compatibility for metal and plastic, cost analysis vs digital and laser, and industrial applications.