ISO 3834-2:2021 in combination with ISO 9001

Comprehensive quality requirements for fusion welding of metallic materials


According to ISO 9000, welding is a so-called «special process» which «cannot be validated easily or economically». Therefore, the specific requirements are defined in the ISO 3834-2 standard. It helps your welding company to meet quality requirements of customers and to produce high-quality and reliable products for the regulated and non-regulated field. Certification according to ISO 3834-2 creates confidence among your customers and reduces your liability risk.


ISO 3834-2 supports customer-oriented solutions and optimises process control. It reduces risks and costs.

Target groups

Manufacturers of welded components in regulated and unregulated fields.


3 years - there is an annual audit to ensure that standards are being maintained and a recertification audit after 3 years.


The SQS certificate of conformity with ISO 3834-2 has international validity and is recognised worldwide through the IQNET membership.


With ISO 9001 (quality management), expandable with ISO 14001 (environmental management) and ISO 45001 (occupational health and safety) to form an integrated management system.

Lead Auditor
Christoph Abert
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