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U / V Notchs Charpy Impact Specimen

Brief Introduction

The Charpy impact test is a standardized high strain-rate test which determines the amount of energy absorbed by a material during fracture. This absorbed energy is a measure of a given material’s notch toughness and acts as a tool to study temperature-dependent ductile-brittle transition. It’s widely applied in steel industry, university experiment, research department. According to standard dimension of Charpy impact specimens as following;

Charpy Impact Specimens ASTM E23

Charpy Impact Specimens ASTM E23

Materials of the impact specimen

1, Ordinary Cast Iron HT150 impact specimen

2, Low Carbon Steel Q235 impact specimen

3, Alloy Steel 40Cr impact specimen

4, Medium carbon Steel 45# impact specimen

5, Alloy 20 Steel 20# impact specimen



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