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polished steel test strip for FTM 3411 thermal stability test

FTM 3411 Test Specimens

Steel test specimens used for FTM 3411 thermal stability and corrosivity of aircraft turbine engine lubricants testing. The QQ-S-698 mild steel test specimens measure 1/16" x 1/4" x 3" (7mm x 75mm x 1-1/2mm). Metaspec offers test specimens in other materials for modified versions of this test upon request.
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