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Welding

Our Best Practices for Effective Production Control
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Qualified Personnel
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  • Certified Welders: Trained per EN (European Norms) standards & AWS (American Welding Society).

  • NDT Inspectors:  Level II/III certified in UT, RT, PT, MT acording to EN 9712, ASNT.

  • Continuous Training: Regular upskilling on automated welding & AI-driven defect detection.


Comprehensive Documentation
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  • Welding Procedure Specification (WPS) & Procedure Qualification Record (PQR) to EN and ASME – Ensures repeatability.

  • NDT Reports – Digital archives of RT scans, UT readings, and PT/MT results.

  • Weld Maps – Traceability from design to final inspection.

 
Preventive Measures
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  • Environmental Control: Humidity & temperature monitoring to avoid welding defects, 
    including welding consumable storage facilities.

  • Preheat/Interpass Temp Checks: Critical for high-carbon steel & alloy welding.

  • Filler Metal Selection: Matched to base material properties.

 
Periodic Audits & Compliance
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  • ISO 9001 Audits: Annual reviews for process optimization.

  • EN, PED and ASME BPVC Compliance: Mandatory for pressure equipment.

  • Third-Party Validation: Independent NDT verification for critical welds.

Examination

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Discover one of Bulgaria's largest labs for non-destructive examination. We focus on delivering cutting testing solutions to guarantee the integrity and reliability of your vessels and structures. With our advanced technology and skilled professionals, we are committed to providing accurate results tailored to your requirements. You can count on us for all of your non-destructive testing needs!

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Non-destructive examination laboratory:

Radiographic (x-ray) equipment for material thickness up to 120 mm;

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Chemical analysis laboratory.

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​Mechanical test laboratory:

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  • Tensile strength;

  • Impact strength;

  • Hardness;

  • Bend stability;

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​Multifunctional non-destructive equipment:

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  • Ultrasonic examination;

  • Ferritometers;

  • Magnetic particle examination and dye-penetrant testing;

  • Measuring the thickness of the base material – carbon and stainless steel;

  • Measuring the dry film thickness of applied anti-corrosion products;

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