AJAX quality
control

quality control

All AJAX facilities feature in-house testing provided by AJAX Laboratory Services, which is accredited by the American Association for Laboratory Accreditation (A2LA). Internationally recognized suppliers of metal finishing processes and adhesive applications have fully licensed and authorized AJAX to apply their products, due in part to our thorough quality control procedures. Historic data and process monitoring systems are integrated across all services to capture critical operating parameters. Our stable processes, time-proven metal finishing protocols, and precise distribution structures equate to continuous adaptation and improvement.

  • ISO 9001:2015 Registered Quality System
  • A2LA Accredited {Certificate 0221.01} Testing Laboratories
  • Ford Motor Company Approved Supplier
  • General Motors Approved Supplier
  • Stellantis Approved Supplier

Heat Treating Lab

Depth of Carburization (Microscopic & Microhardness Methods)

SAE J423

Depth of Decarburization (Microscopic & Microhardness Methods)

ASTM E384, E92, E1077, F2328

Hardness (Rockwell C, 15N, 30N)

ASTM E18, F606/F606M

Hardness (Vickers 300g)

ASTM E384, E92

Proof Load (Externally Threaded Fasteners)

ASTM F606/F606M; SAE J429

Sample Preparation

ASTM E3

Tension Testing of Fasteners (Axial & Wedge)

ASTM F606/F606M; SAE J429

PLATING Lab

Thickness by X-ray Fluorescence

ASTM B568

Verification of Phosphate Coating Weight (Difference)

ASTM B767

Torque Tension Testing

Various

Salt Spray (Fog)

ASTM B117

LOCK / SEAL Lab

Adhesive Torque Testing

IFI 125/525

Torque Tension

FORD WZ-100, 101; GMW 3044, 3200, 4700; SAE J174, J174M; USCAR 10, 11