Who We Serve
Industries We Serve
From automotive Tier-1 suppliers to pressure vessel fabricators — QML provides independent third-party materials testing that manufacturers across Tamil Nadu rely on for incoming inspection, process certification, and compliance reporting.
Automotive & Auto Components
Grade-correct materials. Qualified welds. Certified coatings.
Automotive supply chains demand that every incoming material, fastener, and subassembly meets specification before it reaches the line. QML …
Steel Fabrication & Structural
Incoming inspection. Weld qualification. Third-party certification.
Steel fabricators and structural contractors rely on QML to verify that incoming plates, sections, and tubes meet specification — and that w…
TMT & Rebar Manufacturing
IS 1786 compliance testing — chemical, mechanical, and bend.
TMT rebar manufacturers must demonstrate compliance with IS 1786 for every production lot. QML provides the complete suite of IS 1786 accept…
Casting & Foundry
Grade-correct alloys. Defect-free microstructures. SG iron verified.
Foundries and casting suppliers need fast, reliable material verification to release production batches and satisfy customer quality require…
Fastener & Hardware Manufacturing
Proof load. Surface hardness. Coating corrosion resistance.
Fastener quality failures — wrong grade, soft core, inadequate plating, hydrogen embrittlement — cause assembly line shutdowns and field rec…
Engineering & Precision Tooling
Tool steel verification. Case depth. Microstructure after heat treatment.
Precision components and tooling demand the tightest material specifications — correct alloying, consistent case depth, verified hardness pr…
Pipe & Tube Manufacturing
Dimensional, chemical & mechanical compliance for every production lot.
Pipe and tube manufacturers supplying to plumbing, structural, hydraulic, and process industries need batch-wise test certification to satis…
Pressure Vessel & Boiler Fabrication
Weld qualification. Impact testing. Hardness traverses. Full PQR support.
Pressure vessel and boiler fabricators must qualify their welding procedures and welders in accordance with ASME, IS, or EN codes before pro…
Infrastructure & Construction
Rebar. Structural steel. Certified test reports for project compliance.
Infrastructure and construction projects require material test certificates that demonstrate code compliance for every consignment of rebar …
Heat Treatment & Surface Finishing
Verify every batch. Case depth, hardness, decarburisation, coating life.
Heat treatment and surface finishing shops need batch-by-batch verification that their processes deliver the required case depth, surface ha…
Why Third-Party Testing
Independent Results. Unquestioned Authority.
Test reports from an independent laboratory carry weight that in-house QC documentation cannot — with OEM quality teams, inspection agencies, insurance assessors, and statutory bodies. QML operates under ISO/IEC 17025:2017 so every result is traceable, defensible, and accepted.
Accepted by OEM quality teams & PMC consultants
Results traceable to IS, ASTM, EN, ISO standards
ISO/IEC 17025:2017 quality management system
Quick turnaround — same or next working day for most tests
Located in Padi, Chennai — serving all of Tamil Nadu