Non-Destructive Testing (NDT)

Visual inspection is the most widely used NDT method and is performed across fabrication, manufacturing, and maintenance workflows. It serves as the first line of quality assurance before higher-complexity testing is initiated.

At SOS Weld, visual inspections are performed by personnel familiar with applicable codes, service conditions, material behavior, and acceptance criteria to support reliable downstream NDT decisions.

• Pre-weld, in-process, and final visual checkpoints
• Verification of profile, fit-up, dimensions, and visible discontinuities
• Code-aligned observations that reduce unnecessary rework

Liquid penetrant inspection identifies cracks, laps, seams, and porosity open to the surface. The penetrant enters fine discontinuities that are often invisible to unaided visual examination.

SOS Weld provides in-shop and field PT services with method selection based on part geometry, accessibility, and project code requirements, including visible and fluorescent workflows.

• Cost-effective and portable across varied component sizes
• Applicable to non-porous materials and complex geometries
• Procedure-controlled interpretation for repeatable reporting

Magnetic particle inspection is used to locate cracks, laps, seams, and inclusions in ferromagnetic parts. It is valued for quick feedback and strong sensitivity to fine linear indications.

SOS Weld technicians perform visible and fluorescent MT inspections in the lab or on-site, supporting fabrication, maintenance, and outage programs with code-compliant execution.

• Immediate indication response during active work scopes
• Effective for weld zones and high-stress transitions
• Technique selection tailored to component geometry and access

Ultrasonic inspection detects internal imperfections and changes in material continuity without damaging the component. It is widely applied to raw material, in-process, and finished parts.

SOS Weld delivers contact UT and advanced scan-based UT strategies for repeatable internal assessments, supporting critical quality, safety, and service-performance requirements.

• Applicable to common alloys, specialty metals, and complex assemblies
• Supports flaw characterization and condition trending
• Suitable for both shop fabrication and field service scopes

Radiographic inspection evaluates the internal condition of materials and components without destructive sectioning. Conventional film and computerized radiography can be selected based on specification and project needs.

SOS Weld uses digital-forward RT/CR workflows where appropriate for faster turnaround, high-resolution images, and consistent interpretation supporting compliance documentation.

• Detects volumetric discontinuities in castings and weldments
• High-quality records for owner, regulator, and QA turnover
• Improved repeatability and review speed with digital tools

CWI services can begin before welding starts and continue through completion. This includes oversight of welder qualifications, material traceability, filler controls, weld preparation, heating practices, and staged visual verification.

SOS Weld engages early with clients on CWI-required scopes to avoid missed milestones, prevent costly rework, and deliver complete documentation packages at project closeout.

• Pre-job planning and requirement mapping before welding begins
• Continuous verification, reporting, and milestone tracking
• Final package with required compliance and inspection records