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Sling with High Quality Carbon Structure Information

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Manufacture of sling materials into high quality carbon structural steel and ordinary carbon steels, compared to two kinds, sulphur, phosphorus and other non-metal inclusion content is low. According to the carbon content and different purposes of, this kind of steel and roughly classified into three kinds: (1) less than 0.25% C for low carbon steel, especially the carbon less than 0.10% of the 08 F, 08 Al, because have very good deep erosion and weldability and be widely used as a deep salt pieces such as car, can...... And so on. 20 G is the main material of common boiler manufacture. In addition, low carbon steel also widely as carburizing steels, used for mechanical manufacturing industry. (2) 0.25 ~ 0.60% C for medium-carbon steel, more in the conditioning state use, made machinery manufacturing industrial parts. (3) more than 0.6% C for high carbon steel, more for manufacturing spring, gear, roll, etc. According to the amount of different with manganese, can divide again for ordinary containing manganese content (0.25 to 0.8%) and a higher amount with manganese (0.7 ~ 1.0% and 0.9 ~ 1.2%) two steel group. Manganese steel can improve its quench-hardening ability, strengthen the ferrite, improving steel of the yield strength, tensile strength and wear resistance. Usually with manganese steel in high grade add after mark "Mn," such as 15 Mn, 20 Mn to different from normal with manganese amount of carbon steel.