Eddy Current Testing Weld Flaw Specimen Plate-ET (Metric Version) ET Weld Specimen Specially made for Surface Eddy Current Testing with embedded flaws & coated with primer, epoxy paint & Teflon, Plate to Plate weld Geometry: 400mm x 200mm x 6 to 8 mm. Flaws: 3 per specimen, randomly placed Specimen Tolerance: +/- 0.080" Documentation: NDT Verification Reports, C of C, CAD Drawings and Test Sheets. Material: Mild Steel.