QAQC Engineering


American Standard Syllabus with Internationally Valid Certifications. Welding, Welding Inspection & Documentation



Quality assurance (QA) and Quality Control (QC) is the process of verifying whether a product meets required specifications and customer expectations. WhiteLines Automation is amongst the Emerging QAQC training Institute in Pune. For more details whatsapp at WhatsApp +91 89560 24847.

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Quality assurance (QA) is the process of verifying whether a product meets required specifications and customer expectations. QA is a process-driven approach that facilitates and defines goals regarding product design, development and production. QA‘s primary goal is tracking and resolving deficiencies prior to product release. Measurability is the key to QA. Products are tested and evaluated to determine whether they meet required performance specifications. QA may require many iterations and involve production delays. An organization’s QA approach generally emphasizes management, knowledge, skills, personal integrity, confidence, quality relationships and infrastructure. If relevant expertise and skills are not present within an organization, consultants may be involved when new quality practices are introduced. Contracted experts employ a combination of procedural documentation with quality function deployment, capability maturity model integration and Six Sigma, etc.

Various methodologies may be used to improve QA, including:

1) Total Quality Management (TQM):
If a product does not adhere to quality standards, the product’s quality cannot be guaranteed.

2) Failure Testing:
A product is tested until the product fails. The product may be subject to high temperatures or vibrations in an effort to trigger unanticipated errors.
Statistical Control: This brings an organization to a Six Sigma quality level.


Quality control(QC) is a process through which a business seeks to ensure that product quality is maintained or improved with either reduced or zero errors. Quality Control requires the business to create an environment in which both management and employees strive for perfection. This is done by training personnel, creating benchmarks for product quality, and testing products to check for statistically significant variations. The focus of Quality Control is to ensure that the product and product manufacturing are not only consistent but also in line with customer requirements. Quality control is similar to Quality assurance. One of the features of quality control is the use of well-defined controls. It brings standardization into the process. Most organizations have a quality control/assurance department that provides the set of standards to be followed for each product. Either an internal team or a third-party team is hired to determine whether the products that are delivered meet these standards. Quality Control relies on testing of products, as product inspection gives a clearer picture of the quality of the end product. There are different standards available for Quality Control. The quality of a product is often impacted by deviations from target standards and by the high variability around target specifications. Effective quality control should be able to address both these issues. Quality control can help businesses in improving their products in the market along with brand recognition. It also helps in addressing liability concerns, planning and decision making, and meeting customer needs. The effort and finance involved in product delivery can be much improved with the help of quality control.


Many characteristics of a weld can be evaluated during welding inspection – some relating to weld size, and others relating to the presence of weld discontinuities. The size of a weld can be extremely important, as it often relates directly to the weld’s strength and performance. For instance, undersized welds may not withstand stresses applied during service. Depending on their size and/or location, weld discontinuities (imperfections within or adjacent to the weld) can prevent the weld from meeting its intended performance. Weld discontinuities are often referred to as welding defects, and they can sometimes cause best premature weld failure due to a reduction of strength or added stress concentrations within the welded component. Weld inspections are conducted for several reasons, the most common of which is to determine whether the weld is of suitable quality for its intended application. To evaluate the quality of a weld, you must first have criteria to which you can compare the weld’s characteristics. Codes and standards developed specifically for a variety of welding fabrication applications are used during welding inspections to dictate what levels of weld discontinuities are acceptable. It is important to choose a welding standard that is intended for use within your industry or application. Quality acceptance criteria can originate from several sources. The welding fabrication drawing or blueprint will typically provide sizes and other dimensional information, such as length and location of welds. These dimensional requirements are typically established through design calculations or are taken from proven designs known to meet the performance requirements of the welded connection.