Aerofab 4130 Steel Surface Reference Standard


With over 50 years of NDT equipment fabrication and design under their belt, Aerofab Eddy Current Equipment is one of the best in the industry.

This item is subject to a 10 day lead time

This surface reference standard is made from 4130 steel and has the industry standard 0.2mm, 0.5mm and 1.0mm EDM notches installed. All Aerofab products come supplied with test reports and certificates of conformance.

Need a reference standard that isn’t listed? We can have them manufactured to your specifications!

Part Number:



4130 Steel

EDM Notch sizes

0.2mm, 0.5mm, 1.0mm


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