Visual & Weld Inspection – CMH

Non-Destructive Testing Services

Visual & Weld

Inspection

Identify workmanship issues, surface discontinuities, dimensional concerns and welding defects before they affect safety, compliance or service performance.

Inspection Snapshot

Reliable Inspection Support

Laboratory and field inspection

Fabrication and in-service evaluation

Weld profile and workmanship review

Clear, traceable inspection reports

Discuss your inspection

Certified Personnel

Qualified NDT professionals

Fast Turnaround

Responsive scheduling

Modern Equipment

Calibrated UT instruments

Detailed Reports

Clear inspection findings

What is Visual & Weld Inspection?

Find visible problems before they become costly failures

Visual Testing (VT) is one of the most important and widely used non-destructive examination methods. It involves the direct or aided observation of a component, weld or structure to identify visible discontinuities, dimensional concerns, surface conditions and workmanship issues.

During weld inspection, a qualified inspector evaluates the weld profile, joint preparation, surface appearance, alignment, size and surrounding base material. Magnifiers, gauges, mirrors, borescopes, lighting equipment and dimensional tools may be used where required.

Visual inspection is commonly performed before, during and after welding to help confirm that fabrication and workmanship meet the applicable drawing, procedure, code or client requirement.

Weld surface condition and profile

Joint alignment and fit-up

Visible cracking and surface damage

Dimensional and workmanship checks

--------- Inspection Workflow ---------

How Visual & Weld Inspection Is Performed

Document Review

Drawings, weld procedures, codes and acceptance criteria are reviewed.

Access & Lighting

The inspection area is made accessible with suitable lighting and surface visibility.

Surface Examination

Welds and adjacent material are examined for visible discontinuities and condition.

Dimensional Checks

Weld size, profile, alignment and relevant dimensions are verified where required.

Evaluation

Observed conditions are compared with applicable acceptance requirements.

Reporting

Results, locations, observations and supporting photographs are documented.

--------- Inspection capabilities ---------

What We Can Evaluate

Our visual and weld inspection services support fabrication quality, maintenance decisions,
repair verification and compliance documentation.

Weld Inspection

Weld profile, size, surface finish, undercut, overlap, spatter, arc strikes and visible cracking.

Fit-Up & Alignment

Joint preparation, root opening, mismatch, alignment, bevel condition and assembly fit-up.

Surface Condition

Corrosion, pitting, deformation, mechanical damage, wear, gouges and service-related deterioration.

Dimensional Verification

Weld length, fillet size, reinforcement, component geometry and fabrication dimensions.

Repair Inspection

Visual confirmation of repair preparation, completed repair welds and surrounding material condition.

Remote Visual Inspection

Mirrors, cameras or borescopes may be used where direct access is limited.

--------- Common Indications ---------

Conditions Visual Inspection Can Identify

Weld Discontinuities

Fabrication Issues

Service Damage

Surface Preparation

Base Material Concerns

Marking & Traceability

--------- Codes & Standards ---------

Inspection aligned with your requirements

Testing can be performed to applicable customer procedures, drawings, specifications and recognised industry standards. The final method is confirmed after reviewing component geometry, material and acceptance criteria.

AWS D1.1

CSA W59

ASME Section V

ASME Section IX

ISO 17637

CWB Requirements

Project Drawings

Client Procedures

CWB Requirements

--------- Industries served ---------

Supporting quality, safety and asset integrity

CMH NDT Services is a trusted provider of non-destructive testing, metallurgical analysis and quality consulting across Ontario.

Our mission is simple: deliver accurate results, keep people safe and help our clients build confidence.

Oil, Gas & Pipeline

Construction & Infrastructure

Energy & Power

Manufacturing

What our clients say

Frequently Asked Questions

Answers before you schedule

Share the component type, material, dimensions, inspection location, drawings and applicable standard so we can recommend the correct UT approach.

What is visual weld inspection?

Visual weld inspection is the examination of a weld and surrounding material for visible discontinuities, workmanship concerns, dimensions and surface condition. It may be performed before, during and after welding.

Can visual inspection detect internal defects?

Visual inspection is primarily limited to visible surface conditions. Internal discontinuities normally require another NDT method such as ultrasonic or radiographic testing.

Can inspection be performed on-site?

Yes. CMH Metlabs can provide both laboratory and on-site visual and weld inspection, depending on access, project requirements and component size.

What information is needed for a quotation?

Please provide the material, component type, thickness, quantity, inspection area, location, drawings, applicable code and required turnaround time.

Can photographs be included in the report?

Yes. Inspection reports can include representative photographs, marked locations, dimensional results and observations where required by the scope.

--------- Need an inspection? ---------

Get clear answers below the surface

Send us your drawings, component details and applicable acceptance criteria for a practical testing recommendation.

Request an Inspection

Need Visual or Weld Inspection?

Send us your drawings, photographs, code requirements and inspection scope. Our team will review the information and recommend an appropriate inspection approach.

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