Electroplating, anodizing, PVD, powder coating and galvanizing methods
Chromium: hard chrome 60-70 HRC, 0.01-0.5mm. Nickel: decorative or electroless. Zinc: sacrificial, 5-25 µm.
Type I (chromic): aerospace. Type II (sulfuric): 5-25 µm, dyeable. Type III (hard coat): 25-150 µm, 60-70 HRC.
TiN (gold), TiAlN, CrN. 1-5 µm, 200-500°C. Hardness up to 3000 HV. Cutting tools, decorative.
Electrostatic spray + oven cure 180-200°C. 60-120 µm. VOC-free. RAL colors.
Steel in molten Zn at 450°C. 45-100 µm. 50-100 year rural life. ASTM A123.