Test methods for strength and hardness of wear-resistant steel plate

Test methods for strength and hardness of wear-resistant steel plate

Wear-resistant steel is a special steel that has been specially alloyed and heat-treated to provide excellent wear resistance. Understanding the strength and hardness properties of wear resistant steel is critical when selecting and applying it. The following will introduce several common test methods to evaluate the strength and hardness of wear-resistant steel.
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Strength test method: A commonly used method of strength testing is the tensile test. Tensile testing evaluates the strength of a material by applying a tensile force to a specimen. First, prepare a specimen of specified size and determine the initial length of the specimen. Then, a load of increasing force is applied to the specimen, causing the specimen to stretch. Simultaneously, load and strain are measured in real time to obtain a stress-strain curve. According to this curve, parameters such as elastic limit and yield strength of wear-resistant steel can be calculated to evaluate its strength performance.
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Hardness test method: Hardness is an important index to evaluate the ability of wear-resistant steel to resist external pressure and wear. Among them, the Rockwell hardness test is often used to evaluate the hardness of wear-resistant steel. It uses a diamond or spherical steel ball to indent the surface of the specimen and then measures the indentation depth or diameter of the impression left. According to the reading of the Rockwell hardness tester, the hardness of the wear-resistant steel can be determined.
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Impact strength test method: Impact strength testing is used to evaluate a material’s ability to withstand impact or shock loading. One of the commonly used impact test methods is the impact toughness test. This test measures the ability to absorb impact energy by applying an impact load to the specimen. Specimens are carefully prepared and impact tested on the equipment. The impact strength of wear-resistant steel can be evaluated according to the energy absorbed when the specimen fails and its fracture mode.
Strength and hardness testing methods for wear-resistant steels help us understand how they will perform in durable environments. Through effective testing and evaluation, we are able to select the appropriate wear-resistant steel to meet the needs of a specific application.