42CrMo4 composition features and usage
What is the difference between 42CrMo4 composition, carbon steel pipe and seamless steel pipe? Carbon steel pipe, the performance of this kind of steel pipe is controlled by the amount of carbon content. Different carbon content has different properties and uses. Carbon steel pipe can be seamless or seam welded. Seamless steel pipe is a large category of steel pipe, which can include carbon seamless steel pipe, low alloy seamless steel pipe, high pressure boiler pipe, oil cracking pipe and so on.
The surface of alloy steel coil is specially treated during processing. The wear resistance of steel coil and plate made of alloy steel is much better than that of traditional rolling plate, and the cost is also low. The heat resistance and high temperature resistance of alloy steel coil is better than that of traditional rolling plate, and it will not deform easily. Besides, the strength of the 42CrMo4 composition, alloy steel is very high, it is not easy to break and can be used for a long time.
Normalizing is to heat the steel parts to 30~80℃above the critical temperature for a period of time. Then the parts are taken out of the furnace and cooled in air. Since the cooling rate of normalizing is faster than that of annealing, the strength and hardness of normalized 42CrMo4 composition are higher than that of annealed 42CrMo4 composition, but the elimination of internal stress is not as good as annealing. The normalizing operation of 42CrMo4 composition is simple, the cost is low, the productivity is high, and it is widely used in actual production.
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