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EN ISO 3834-1 ~ 5
Quality requirements for melting of metal materials
Standard composition
Part 1: Selection criteria for corresponding quality requirements
Part 2: complete quality requirements
Part 3: General Quality Requirements
Part 4: basic quality requirements
Part 5: Confirm the documents required to meet the quality requirements of Groups 2, 3 and 4
Meaning lies
A. Establish a flexible welding process control framework
B. Based on ISO 9001
C. Based on other quality management systems
D. Provide guidance for enterprises to establish melt welding quality management system
E. refinement of the specifications, regulations and product standards for welding process control requirements
Certification part selection
A. Scope and importance of safety critical products
B. The complexity of manufacturing
C. The range of manufactured products
D. The range of different materials used
E. The degree of metallurgical problems generated
F. Manufacturing defects such as misalignment, deformation or weld defects affect the performance of the product
Certification requirements
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ISO 3834 Factor |
Part 2 |
Part 3 |
Part 4 |
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Request review |
Requirement |
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Request record |
May require a record |
No record requirements |
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Technical review |
requirements |
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Request record |
May require a record |
No record requirements |
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Subcontracting |
The contractor is also regarded as the manufacturer and manufacturer responsible for the quality of the product |
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Welder operator |
Request assessment |
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Welding supervisor |
requirements |
No special requirements |
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inspector |
Request assessment |
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Production and testing equipment |
Equipped with suitable preparation, process implementation, testing, transportation and lifting equipment and safety equipment, protective clothing |
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MRO |
Require evidence of compliance with the equipment |
No special requirements |
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Written plan, record |
Record |
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DD |
Equipment account |
No special requirements |
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Production Planning |
requirements |
No special requirements |
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Plan, record |
Suggest a plan, record |
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WPS |
requirements |
No special requirements |
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PQR |
requirements |
No special requirements |
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Weld material batch test |
When requested |
No special requirements |
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Weld material storage and handing |
Set up procedures based on vendor recommendations |
According to vendor recommendations |
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Parent metal storage |
From environmental impact, keep logo |
No special requirements |
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PWHT |
Confirmed to meet product standards and regulatory requirements |
No special requirements |
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Requires process, record and record traceability |
Request process and records |
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Before welding, welding, after welding inspection |
Requirement |
When requested |
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Non-conformity and A-action |
Implement control measures, require repair and corrective procedures |
Implementation of control measures |
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Monitoring measurement equipment calibration, confirmed |
Requirement |
If so requested |
No special requirements |
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The process of identifying |
SPCCT |
No special requirements |
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Traceability |
SPCCT |
No special requirements |
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Quality File |
SPCCT |
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