Tensile Test of High Tensile Strength Steel

High tensile strength steel is a class of materials with increased strength in comparison with general structural steels, and materials with strengths of 1,000 MPa or more have also been developed. High tensile strength steel is mainly used in the automotive industry, where it has attracted attention due to heightened awareness of environmental problems and demands for collision safety. In particular, auto body weight reduction for improvement of fuel economy is one effective countermeasure for the global warming of recent years, and this increased the momentum toward adoption of high tensile strength steel, which makes it possible to obtain the same strength as general steel materials with thinner gauge products. The evaluation items for metallic materials include tensile strength and elastic modulus. These mechanical properties are measured in accordance with the material testing standards ISO 6892-1 and JIS Z 2241. As described in this article, a tensile test of high tensile strength steel using strain rate control was conducted in accordance with JIS Z 2241 Annex JB. In addition, hydraulic flat grips with high gripping force were used to enable testing of the high tensile strength steel without slipping in the grips.

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Application News
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Material Testing, Universal / Tensile Testing
Materials/Automotive, Metals, AGX-V Series Universal Electromechanical Test Frames
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