Material Testing

Electrical Steel Testing

Tempel receives samples of each master coil in advance to ensure only the best steel is accepted. Samples are inspected using a custom designed Gamma Tester, which measures the thickness of the steel at nine different locations. This machinery also simultaneously measures flatness, roughness and hardness.

Mechanical Inspection & Testing

Our custom designed Gamma Tester makes nine thickness measurements to ensure minimum variation while simultaneously measuring surface roughness and hardness.

Epstein Testing

Each wide coil of steel is measured for core loss and peak permeability. Our tests ensure all properties comply with gauge/grade specifications and provide assurance of consistent customer quality.

Franklin Testing

A unique method of testing single strips of flat rolled electrical steel for surface insulation resistance under predetermined voltage and pressure conditions.

Process Testing

First Piece and PPAP Inspection

Each Tempel manufacturing facility has the tools to perform layout inspection and/or functional verification to customer engineering drawings and performance standards as specified in the control plans with results made available for customer review. Each Tempel division can support any level of AIAG PPAP submission requirements.

In Process SPC & CPK Studies

Tempel monitors and measures the characteristics of the product to verify that product requirements have been met. These measurements are conducted at various stages of the product manufacturing process according to the control plan.

Process Auditing

We inspect the product as designated by the control plan in the PPAP and hold it until the required inspection, and tests have been received and verified. Our direct process activities are used toward defect prevention with methods, such as statistical process control, mistake-proofing, visual controls, rather than defect detection.

Final Product Auditing

Tempel conducts audits of packaged final product to verify conformance to all specified requirements (e.g. product, packaging, labeling) at an appropriate frequency. These dock audits, are based upon sampling and are generally performed after final inspection but prior to shipment.