This International standard specifies quality requirements for manufacturers of thermal sprayed coatings, which should ensure quality assurance for activities in the field of production. NOTE – It is independent of the availability of a quality management system according to the ISO 9000, ISO 14000 series and ISO 45001, which deals with the concept and organization of the quality management. This standard should be applied for thermal spraying including all the pre- and post-treatments of the whole coating process for new parts, for repairs and maintenance (e.g. after service) at the workshop or on site. This standard defines the quality requirements, which are of importance for the manufacturing route. The main elements of the quality assurance of the entire thermal spraying process for different applications according to Quality Assurance Levels C, S and E are listed in the Annex of this standard. They can be used to check the proper function of the quality assurance system when applying a quality audit. This standard specifies requirements, tests and the scope of tests when qualifying the manufacturer. The specific requirements of the qualifying procedure according to the Quality Assurance Level C, S or E can be given by the general requirements of the quality management system of the company or a contract. This standard together with the relevant Quality Level can be stipulated by the customer/designer, in order to require a minimum of quality assurance measures for the manufacturing of his component. Requirements specified in this standard can be helpful when a quality assurance system is to be established.