Laboratory Testing Inc. offers independent, third-party weld testing lab services for welder qualification and welding procedure qualification. Welding procedures revolve around a welding code or standard requiring welding sample inspection and testing to establish qualification. LTI performs destructive and nondestructive weld testing to verify that a welding procedure and welds produced according to the procedure meet requirements. The requirements stated in standards and specifications, including API, ASME, ASTM, AWS, EN, MIL, and the Pressure Equipment Directive, indicate the quality requirements for weld acceptability.
Weld Testing Lab Scope of Services
All required testing services are available to verify that a welding procedure meets requirements for qualification and to certify that a welder can properly produce a weld to specification. Welding coupons and specimens are also prepared onsite in our machine shop. The results of all qualification testing are part of our certified reports.
Welding Procedure Qualification
A thorough review of the welding process occurs, including procedural testing and inspection of welds for requirement verification. Weld coupon testing often includes visual examination, mechanical testing, metallographic examination, and nondestructive testing. LTI may also assist with preparing welding procedure qualifications as per client or project requirements.
Welder Qualification
After confirmation that a welding procedure meets a specified standard, welders may receive qualification. The weld is tested to ensure it meets specifications, correct filler material application, and accurately aligns with the weld joint. The welder qualification test is generally required to support welder certification.
Our Weld Testing Services
Many types of destructive and non destructive weld testing techniques are performed to verify conformance to specifications during welding qualifications, including these below:
Metallurgical Testing
- Macroetch
- Vickers Hardness Testing
- Ferrite Exam –Point Count and Feritscope
- And More
Chemical Analysis
- Dilution Analysis
- Inductively-Coupled Plasma Spectroscopy (ICP)
- Atomic Emission Spectroscopy (AES)
- And More
Corrosion Testing
- Humidity Test
- Passivation Test
- Salt Spray Test / Salt Fog
- Coating Evaluation (Adhesion, Thickness)
- Hydrogen Embrittlement
- Intergranular Oxidation
- And More
Mechanical Testing
- Tensile Testing
- Guided-Bend Tests – Plunger Type and Wrap Around Bends
- Charpy Impact Testing
- Drop Weight Testing
- Hardness Testing
- Fracture Toughness
- And More
Nondestructive Testing
LTI’s staff includes chemists, engineers and certified NDT inspectors, including Level II inspectors in NDT Visual Inspection. The full-service Machine Shop can prepare any size weld coupon, and runs two work shifts to process orders under tight deadlines.
Partner With LTI Today
Laboratory Testing Inc. has the capacity and capabilities to handle all your material testing needs in a single location. Since 1984, we’ve aided customers worldwide with accurate nondestructive testing and precise material lab services. Request a quote or contact us today to see how our industry-leading turnaround times can keep your mission-critical approvals moving forward.