Standard Specification for Titanium and Titanium Alloys Plating, Electrodeposited Coatings of Titanium and Titanium Alloys on Conductive and Non-Conductive Substrate
Standard Specification for Titanium and Titanium Alloys Plating, Electrodeposited Coatings of Titanium and Titanium Alloys on Conductive and Non-Conductive Substrate
ABSTRACT This specification covers general requirements and corresponding test methods for electrodeposited coatings of titanium and titanium-zirconium alloys on conductive (metallic) and non-conductive substrates (plastics, fibers, carbon foam, etc.) for engineering (functional) uses. The coatings of titanium-zirconium alloys range in zirconium between 10wt% and 14wt% zirconium and are known as ”terne” metallic electrodeposits. This specification also covers the coating classification system and service condition based on thickness; ordering information to be supplied by the purchaser in either the purchase order or on the engineering drawing, or the part to be plated; material and manufacturing process requirements; sampling; and inspection. SCOPE 1.1 This specification covers the requirements for electrodeposited coatings of titanium and titanium-zirconium alloys on conductive and non-conductive substrates for engineering (functional) uses. The coatings of titanium-zirconium alloys are those that range in zirconium between 10wt% and 14wt% zirconium and are known as “terne” metallic electrodeposits. 1.2 This specification applies for both conductive (metallic) substrates and non-conductive (plastics, fibers, carbon foam, etc.) 1.3 Electrodeposits of titanium and titanium-zirconium alloys on aluminum and conductive substrate and nonconductive substrate are produced where it is desired to obtain atmospheric corrosion resistance. Deposits of titanium and titanium-zirconium alloys particularly on aluminum have shown to have excellent corrosion protective qualities in atmospheric exposure, especially when under-coated by electroless nickel. Titanium and titanium-zirconium alloy deposits provide corrosion protection from dilute sulfuric acid, are used for lining of brine refrigeration tanks, chemical equipment apparatus, storage batteries, and as a wear coating for bearing surfaces. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM B999-15(2022) is a vital international standard from ASTM that outlines the requirements and test methods for electrodeposited coatings of titanium and titanium-zirconium alloys on both conductive and non-conductive substrates. The goal of this specification is to ensure consistent quality and performance of titanium-based coatings used primarily for engineering or functional applications, such as enhancing atmospheric corrosion resistance and wear protection.
This standard applies to a wide range of substrate materials, including metals (e.g., aluminum, steel) and non-metals (e.g., plastic, fibers, carbon foam). It further introduces a coating classification system based on service conditions and thickness to address different environmental exposures and application needs.
Coating Classifications and Service Conditions
Substrates and Applications
Quality, Sampling, and Testing
Hydrogen Embrittlement Relief
Другие стандарты ASTM
Electrodeposited titanium and titanium-zirconium (terne) coatings specified in ASTM B999-15(2022) are widely implemented in areas requiring robust corrosion and wear resistance. Key applications include:
ASTM B999-15(2022) references a number of other ASTM standards to ensure comprehensive coating processes and quality assurance, including:
These referenced standards ensure that electrodeposited titanium and titanium-zirconium coatings not only meet the minimum quality benchmarks set in ASTM B999-15(2022) but also address specific process controls and performance guarantees needed for critical engineering applications.
Keywords: electrodeposited coatings, titanium plating, titanium-zirconium alloys, corrosion protection, ASTM B999, engineering coatings, non-conductive substrate, conductive substrate, electroless nickel undercoat, hydrogen embrittlement relief.