AWS C2.21M/C2.21:2015

This standard specifies the essential elements of a procedure for verifying the performance of thermal spray equipment to ensure it is capable of operating according to the manufacturerâ??s specifications or those established by the User.
Scope : 1.1 Scope. This standard describes the essential elements of a procedure to verify performance of equipment and systems used for thermal spraying. These equipment and systems include the thermal spray gun, gas console, control apparatus, and feedstock supply system. Other external systems and apparatus such as a gas or fuel management system, sound abatement, dust collection, automation, fire suppression, and finishing systems are beyond the scope of this document. This specification does not address all of the thermal spray process variations or equipment configurations. However, the principles presented may be a starting point for establishing a customized verification procedure. It is not the intent of this standard to address process validation; to ensure a process is producing, or capable of producing, desired coatings. This specification does not address all of the essential process variables necessary for thermal spray process qualification. This specification does not address equipment design standards, provisions, requirements, codes, or regulations that may apply to the thermal spray equipment or its installation. The standard can be applied at the time of installation and any other times or intervals the User deems appropriate to ensure the equipment is capable of operating to the manufacturerâ??s specifications or other specifications deemed applicable by the User. 1.2 Units of Measure. This standard makes use of both the International System of Units (SI) and U.S. Customary units. The latter are shown within brackets ([ ]) or in appropriate columns in tables and figures. The measurements may not be exact equivalents; therefore, each system must be used independently. 1.3 Safety. Safety and health issues and concerns are beyond the scope of this standard; some safety and health information is provided, but such issues are not fully addressed herein. Safety and health information is available from the following sources:American Welding Society: (1) ANSI Z49.1, Safety in Welding, Cutting, and Allied Processes (2) AWS Safety and Health Fact Sheets (3) Other safety and health information on the AWS website Material or Equipment Manufacturers: (1) Safety Data Sheets (SDS), Material Safety Data Sheets (MSDS), or Product Safety Data Sheets (PSDS), supplied by materials manufacturers (2) Operating Manuals supplied by equipment manufacturers Applicable Regulatory Agencies