Navships Calibration Test Block (Metric Version) Special Alloy Used for distance amplitude correction, sensitivity levels and flaw depth information. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a "Mare Island block. Geometry: Contains six 1.2mm diameter side-drilled through-holes at distances of 6.25mm to 68.75mm in 6.25mm increments. Dimensions: 30mm x 75mm x 300mm Material: Special Alloy

Navships Calibration Test Block (Metric Version) 1018 Steel Used for distance amplitude correction, sensitivity levels and flaw depth information. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a "Mare Island block. Geometry: Contains six 1.2mm diameter side-drilled through-holes at distances of 6.25mm to 68.75mm in 6.25mm increments. Dimensions: 30mm x 75mm x 300mm Material: 1018 Steel

Navships Calibration Test Block (Metric Version) STAINLESS STEEL 304 Used for distance amplitude correction, sensitivity levels and flaw depth information. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a "Mare Island block. Geometry: Contains six 1.2mm diameter side-drilled through-holes at distances of 6.25mm to 68.75mm in 6.25mm increments. Dimensions: 30mm x 75mm x 300mm Material: STAINLESS STEEL 304.

Navships Calibration Test Block (Metric Version) STAINLESS STEEL 316 Used for distance amplitude correction, sensitivity levels and flaw depth information. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a "Mare Island block. Geometry: Contains six 1.2mm diameter side-drilled through-holes at distances of 6.25mm to 68.75mm in 6.25mm increments. Dimensions: 30mm x 75mm x 300mm Material: STAINLESS STEEL 316.

Navships Calibration Test Block (Metric Version) TITANIUM Used for distance amplitude correction, sensitivity levels and flaw depth information. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a "Mare Island block. Geometry: Contains six 1.2mm diameter side-drilled through-holes at distances of 6.25mm to 68.75mm in 6.25mm increments. Dimensions: 30mm x 75mm x 300mm Material: TITANIUM.

Navships Calibration Test Block (Metric Version) ALUMINUM 7075-T6 Used for distance amplitude correction, sensitivity levels and flaw depth information. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a "Mare Island block. Geometry: Contains six 1.2mm diameter side-drilled through-holes at distances of 6.25mm to 68.75mm in 6.25mm increments. Dimensions: 30mm x 75mm x 300mm Material: ALUMINUM 7075-T6.

Navships Calibration Test Block (Metric Version) INCONEL 625 Used for distance amplitude correction, sensitivity levels and flaw depth information. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a "Mare Island block. Geometry: Contains six 1.2mm diameter side-drilled through-holes at distances of 6.25mm to 68.75mm in 6.25mm increments. Dimensions: 30mm x 75mm x 300mm Material: INCONEL 625.

Navships Calibration Test Block (Metric Version) MONAL 800 Used for distance amplitude correction, sensitivity levels and flaw depth information. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a "Mare Island block. Geometry: Contains six 1.2mm diameter side-drilled through-holes at distances of 6.25mm to 68.75mm in 6.25mm increments. Dimensions: 30mm x 75mm x 300mm Material: MONAL 800.