CSA W47.1 Certification of companies for fusion welding of steel

Scope

Applies to steel structure enterprises using fusion welding processes. Enterprises are classified into three divisions based on their welding engineer availability. Shanghai Allmark, as CWB's representative, conducts practical skill tests for welders and operators, written exams for welding supervisors, and ensures welding procedures receive CWB approval.

[Certification Process]

1. Document Submission

Enterprises must submit required documents, including records of welding supervisor/engineer assessments and CSA standard training.

2. Welding Supervisor Qualification

Enterprises must employ qualified welding supervisors capable of:

• Reading and interpreting technical drawings

• Correctly interpreting welding symbols

• Identifying welding defects and implementing quality control

• Operating relevant welding equipment

• Supervisors must pass a written exam administered by Shanghai Allmark.

3. Welding Engineer Appointment

Division 1 and 2 enterprises must appoint at least one welding engineer to provide technical support and ensure compliance with standard requirements.

4. WPS/WPDS Preparation and Submission

All companies must prepare:

Welding Procedure Specifications (WPS) for each welding method.

Welding Procedure Data Sheets (WPDS) for each joint type.

All documents require CWB review and approval. Shanghai Allmark provides expert guidance throughout this process.

5. Welder Qualification Testing

Shanghai Allmark conducts practical tests for welders, operators, and tack welders according to CSA standards. Certified personnel receive CWB qualifications.

6. CWB Audit and Inspection

CWB-authorized representatives conduct periodic audits including:

• Practical welder testing

• Welding procedure qualification

• Quality system review

• Successful enterprises receive company certificates, while individuals obtain welder and supervisor certifications. Certified enterprises may reference CWB certification in their materials.

【Certification Divisions】

Division 1: Requires at least one full-time welding engineer

Division 2: Requires at least one part-time welding engineer

Division 3: No welding engineer required