ASTM B635-00 - 10.3.2000
 
1. Scope

1.1 This specification covers the requirements for a coating that is a mixture of cadmium and tin mechanically deposited on metal products. The coating is provided in various thicknesses up to and including 12 μm.

1.2 Mechanical deposition greatly reduces the risk of hydrogen embrittlement and is suitable for coating bores and recesses in many parts that cannot be conveniently plated electrolytically. (See Appendix X1.)

1.3 This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazards statements, see Section 7.

 
2. Referenced Documents

B242-99(2025)

Standard Guide for Preparation of High-Carbon Steel for Electroplating

B322-99(2025)

Standard Guide for Cleaning Metals Prior to Electroplating

B487-24

Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section

B567-98(2021)

Standard Test Method for Measurement of Coating Thickness by the Beta Backscatter Method

B571-23

Standard Practice for Qualitative Adhesion Testing of Metallic Coatings

B602-21

Standard Guide for Attribute Sampling of Metallic and Inorganic Coatings

B117-26a

Standard Practice for Operating Salt Spray (Fog) Apparatus (Includes all amendments and changes 9/22/2026).

B499-09(2026)

Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals

B697-88(2021)

Standard Guide for Selection of Sampling Plans for Inspection of Electrodeposited Metallic and Inorganic Coatings

B762-21

Standard Guide of Variables Sampling of Metallic and Inorganic Coatings

E87-58 (1978)

Methods for Chemical Analysis of Lead, Tin, Antimony and Their Alloys (Photometric Method) (Withdrawn 1984)

E396-24

Standard Test Methods for Chemical Analysis of Cadmium

B183-18(2022)

Standard Practice for Preparation of Low-Carbon Steel for Electroplating

B201-80(2024)

Standard Practice for Testing Chromate Coatings on Zinc and Cadmium Surfaces

F1470-24

Standard Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection

FED-STD-141

Paint, Varnish, Lacquer, and Related Materials; Methods of Inspection, Sampling and Testing Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.