Welding is a widely used manufacturing method for the manufacture of industrial products. Welded joining method produces a wide range of products from pressure vessel to industrial plant, crane to machine. Welding has a significant impact on the cost of manufacturing and the final product quality.

Welding is a special manufacturing method which is used in many sectors (shipyard construction, pressure equipment, steel constructions, railway vehicles and components, auxiliary vehicles and carrier systems) to reveal structures that cannot be manufactured as one piece.

ISO 3834 (EN 15085) Welded Manufacturing Competence Management System has been prepared by International Standards Organization in order to determine the appropriate quality conditions based on the fusion welding method of the metal manufacturing companies. This standard relates to the quality conditions of products that may be affected by welding and welding-related processes applicable in the manufacturing sector.

As with all other standards, the quality of a product according to ISO 3834 must be ensured during production, not inspection. For products free from problems in manufacturing and service conditions, controls should be provided from material selection at the design stage to post-production inspections. For example, poor design can create serious and costly problems in practice in a workshop or field.

Improper material selection or poor welding conditions can cause cracking in welded joints. In order to ensure sound and efficient production, management needs to know possible sources of problems and to apply appropriate quality procedures.

The ISO 3834 standard is ultimately a quality standard and the quality of welding production must be fully ensured as a requirement of quality systems. Essentially, the quality control of a product should be provided at the production stage, not after the process is completed. Otherwise, the business may experience serious losses. The ISO 3834 Welded Manufacturing Qualification Management System standard is a guiding standard for the company for welding processes in etalic production enterprises.

The standard is used as the basis for evaluating the welding quality systems of manufacturers. In the ISO 3834 Welded Manufacturing Competence Management System, the controls for welded productions to be carried out by the enterprises start at the design stage of production, and the selection of materials, selection of consumables, training of welding coordination personnel, obtaining the certificates of working welders, determining welding methods, making welded production and destructive or It results in control of product quality using non-destructive testing methods.

Institutions and organizations that establish and manage Welded Manufacturing Competence Management System, in terms of the scope and importance of safety-risk products, the complexity of the production, the range of use of the products, the scope of the metallurgical problems that may arise, the extent of the production defects affecting the performance of products such as defect, distortion or welding defects. ISO 3834 Certificate.

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