Mechanical Inspection Department

Mechanical Inspection Department at Tohama Company

The Mechanical Inspection Department at Tohama Company for Engineering Inspection is a comprehensive unit specialized in advanced destructive and non-destructive testing, welding procedure qualification, and mechanical integrity assessment. Based in Basra – Al-Zubair Main Street, Tohama’s mechanical division serves clients across Iraq’s oil & gas, petrochemical, energy, and construction sectors.

Scope of Services

1. Non-Destructive Testing (NDT)

Performed to detect internal or surface flaws without altering or damaging the tested component:

• Visual Inspection (VT)

• Dye Penetrant Testing (PT)

• Magnetic Particle Testing (MT/MPI)

• Ultrasonic Testing (UT)

• Phased Array Ultrasonic Testing (PAUT)

• Radiographic Testing (RT) – Film & Digital

• Vacuum Box Testing

• Thickness Measurement (TM)

2. Destructive Testing (DT)

Mechanical and metallurgical tests performed in laboratory settings to determine material strength and behavior:

• Tensile Test (up to 1000 kN)

• Bend Test (Root, Face, Side)

• Charpy V-Notch Impact Test

• Hardness Tests (Macro, Micro, Leeb, HV10)

• Fillet Weld Break & Nick Break Tests

• Macro-Etch Testing

• Fracture, Flattening & Compression Tests

• PMI (Positive Material Identification)

3. Welding Procedure and Welder Qualification

Tohama Company is a trusted authority in welding engineering, offering full lifecycle services for procedure development and qualification:

A. Welding Procedure Specification (WPS)

• Development and documentation of WPS in accordance with ASME Section IX, AWS D1.1, API 1104, and ISO 15614

• Support for SMAW, GTAW, GMAW, FCAW, SAW, and other welding processes

B. Procedure Qualification Record (PQR)

• Mechanical testing and metallurgical analysis required for PQR validation

• Documenting essential and supplementary essential variables

• Recording results of tensile, bend, hardness, and impact tests

C. Welder Performance Qualification (WPQ/WQTR)

• Welder testing and certification in accordance with project requirements

• Evaluation of skills through test coupons with destructive and NDT verification

• Issuance of welder qualification certificates

Tohama ensures all welding procedures and personnel certifications comply with client, project, and international code requirements.

4. Specialized Mechanical Services

• Post Weld Heat Treatment (PWHT)

• Preheating and Interpass Monitoring

• Hydrostatic Pressure Testing (Tanks, Vessels, Pipelines)

• Torque Tightening Testing

• Adhesion Testing (Pull-off & Cross-cut)

• Holiday Detection

All services are delivered under strict quality protocols and HSE standards.

Certifications & Standards

Tohama’s Mechanical Department operates under a robust Quality Management System certified for:

• ISO 9001 (Quality Management)

• ISO 17020 (Inspection Body)

• ISO 17025 (Testing & Calibration Laboratories)

Testing procedures are executed in line with ASME, ASTM, API, AWS, BS/EN, and ISO codesQuality Management Syst….

Client Portfolio & Project Experience

Tohama’s mechanical inspection and welding qualification services have been delivered to top-tier projects, including:

• West Qurna 1 & 2 – LUKOIL, ExxonMobil

• Majnoon Oil Field – Shell

• Artawi Compressor Station – BGC

• Karbala Refinery Project – JV-HDGSK

• FCC-Basra Refinery Project – APN

• NDGS & PAC Projects – ENI, Kuwait Energy

Scope of work included full welding documentation (WPS/PQR/WQTR), mechanical testing, tank and pipeline inspections, and site-based NDT servicesقائمة الاعمال المماثلة.

Conclusion

The Mechanical Inspection Department at Tohama Company stands as a leading service provider in welding qualification, mechanical testing, and integrity verification. By integrating certified expertise, modern equipment, and strict adherence to international standards, Tohama guarantees safe, compliant, and reliable operations for clients across critical industries.