Carbon stainless steel

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Carbon is one of the major elements of industrial steel, steel performance organization largely determine the content and distribution in the form of carbon steel, stainless steel in carb on is particularly significant. Carbon impact on the organization in stainless steel is mainly manifested in two aspects, on the one hand, carbon is stable austenite elements, and the role of the degree of nickel (approximately 30 times), on the other hand is due to the affinity of carbon and chromium large form - complex series of carbide and chromium. So, both in terms of strength and corrosion-resistant candle performance, the role of carbon in the stainless steel is conflicting.abec bearings
Understanding of the impact of the law, we can proceed from the different application requirements, select different carbon content stainless steel.
For example, the most widely used in the industry, but also the minimum standard chromium stainless steel - 0Crl3 4Cr13 five steel number is 12 to 14 percent of the carbon and chromium to form chromium carbide factors into account after the decision, the purpose is to make carbon combined with chromium as chromium carbide, chromium content in the solid solution without this minimum chromium content of less than 11.7%.
Carbon content for the five steel number, strength and corrosion resistance is different, 0Cr13 ~~ 2Crl3 steel good corrosion resistance but the strength is lower than 3Crl3 and 4Cr13 steel used for the manufacture of structural parts and after two steel high carbon obtain high strength and more used in the manufacture of springs, tool and require high strength and wear-resistant parts. Another example, in order to overcome the intergranular corrosion 18-8 chrome-nickel stainless steel, the carbon content of the steel can be reduced to less than 0.03%, or adding more elements than chromium and carbon affinity (titanium or niobium), so it does not form a carbonized chromium, another example, when the high hardness and wear resistance of the main requirements, we can increase the carbon content of the steel to appropr iately increase the amount of chromium, so not only meet the requirements of the hardness and wear resistance, but also take into account - fixed anti-corrosion, and industrially as a bearing, measuring tool and the blade having a stainless steel 9Cr18 and 9Cr17MoVCo steel, the carbon content of up to 0.85% to 0.95%, due to their chromium content is also a corresponding increase, so still ensure the corrosion resistance requirements.china bearing manufacturer
Generally speaking, the stainless steel the carbon content of the current industrial applications is relatively low, most of the stainless steel the carbon content of between 0.1 to 0.4%, acid-resistant steel by carbon 0.1 to 0.2% of the majority. Carbon steel, the total number of greater than 0.4% of the stainless steel only a small part, this is because under most conditions of use, stainless steel always to corrosion resistance as the main pu rpose. In addition, the lower carbon content requirements for some craft, such as ease of welded and cold deformation.double roller bearing