In view of the important role of carbon and sulfur content in steel quality and performance, the selection of carbon and sulfur analyzers to detect carbon and sulfur in steel is the standard for determining the specifications and quality of steel products. The carbon-sulfur analyzer is a commonly used measuring instrument in the physical and chemical analysis laboratory of enterprises. The carbon-sulfur analyzer is used to identify the influence of steel material and carbon sulfur content on steel. In view of the important role of carbon and sulfur content in steel quality and performance, it is therefore chosen. Carbon and sulfur analyzers to detect carbon and sulfur in steel are the criteria for determining the specifications and quality of steel products. Carbon and sulfur analyzer is a commonly used measuring instrument in the physical and chemical analysis laboratory of enterprises. It is used for quantitative analysis of carbon and sulfur content in metal and non-metal materials. It is widely used in metallurgy, casting, machinery, vehicles, pump valves. , ore, quality inspection and other industries and fields, can easily and quickly carry out the analysis and testing of raw material acceptance, pre-furnace analysis, finished product inspection and other stages.
Carbon and sulfur are important elements in determining the specifications and quality of steel products. Carbon with a carbon content higher than 1.70% is called cast iron, and less than 1.70% is called steel. Generally, steel with carbon content higher than 0.60% is called high carbon steel, steel with carbon content between 0.25% and 0.60% is called medium carbon steel, steel with carbon content less than 0.25% is called low carbon steel, and carbon content is less than 0.04%. Called industrial pure iron.
Carbon plays an important role in the performance of steel: as the carbon content increases, the hardness and strength of the steel increase, and the toughness and plasticity decrease. Conversely, when the carbon content decreases, the hardness and strength decrease, while the toughness and plasticity increase.
Sulfur is present in steel, which deteriorates the quality of steel and reduces its mechanical properties, corrosion resistance and weldability. In particular, sulfur in steel, if it exists in the state of iron sulfide, because of its low melting point (about 1000 ° C), it will cause the phenomenon of "hot brittleness" of steel, that is, thermal deformation, cracking at high temperature, affecting the product. Quality and service life. Therefore, the lower the sulfur content in the steel, the better. Generally, the sulfur content in ordinary steel is less than 0.050%, the sulfur content in tool steel is less than 0.045%, and the sulfur content in high quality steel is less than 0.020%. In view of the important role of carbon and sulfur content in steel quality and performance, it is important to analyze the carbon and sulfur content in steel by carbon and sulfur analyzers.
Nanjing Qilin Scientific Instrument Group Co., Ltd.
Testing Center
June 17, 2017
Http://news.chinawj.com.cn
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