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ZZ STEEL ZZ STEELPOWER INFRASTRUCTURE

Welding Qualification

Qualified Welding. Reliable Structures.

Qualified welders, approved welding procedures and traceable records protect the integrity, strength and safety of every welded joint.

Qualified WeldersQualified ProceduresStrict Control100% Traceable
Qualified WeldersCertified and current
Qualified ProceduresWPS/PQR approved
Strict ControlFollow standards and specifications
100% TraceableComplete welding records
Quality AssuredReliable joints and structures

Welding Qualification Process

Documented control points provide clear acceptance evidence at every stage.

01Requirement ReviewDrawings, codes and specifications
02Procedure QualificationDevelop WPS and perform PQR
03Welder QualificationPerformance qualification test
04Production WeldingUse approved WPS
05Inspection & TestingVT and required NDT
06Record & TraceabilityComplete controlled records

Qualification Records & Inspection

Qualified welders, approved welding procedures and traceable records protect the integrity, strength and safety of every welded joint.

Procedure Qualification Record

Procedure Qualification Record

PQR documents essential welding variables.

Welding Procedure Specification

Welding Procedure Specification

WPS defines controlled production parameters.

Welder Performance Qualification

Welder Performance Qualification

WPQR confirms welder capability and range.

Visual Inspection (VT)

Visual Inspection (VT)

100% surface and appearance inspection.

Ultrasonic Testing (UT)

Ultrasonic Testing (UT)

Internal discontinuity verification.

Magnetic Particle Testing

Magnetic Particle Testing

Surface and near-surface inspection.

Penetrant Testing (PT)

Penetrant Testing (PT)

Surface crack detection where required.

Qualification Record Archive

Qualification Record Archive

Validity and renewal status are controlled.

Quality Management System

  • ISO 9001 quality management
  • ISO 14001 environmental management
  • ISO 45001 occupational health & safety
  • ISO 3834 welding quality
  • Strict document and change control

Inspection & Traceability

  • Material Test Certificates (MTC)
  • Chemical and mechanical test reports
  • Welding and NDT records
  • Galvanizing thickness reports
  • Final inspection and packing records

Quality Commitment

Safe, reliable and standards-compliant products supported by complete inspection evidence.

100%Material Traceability
0Major Quality Issues
100%On-time Delivery
100%Customer Focus
ISO 9001ISO 14001ISO 45001ISO 1461ASTMIECENGB/T

Quality builds trust. Trust builds the future.

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