Matters need attention in use of 51CrV4 structural steel material

The sulfur element (S element) comes from the ore and fuel coke of steelmaking. It is a harmful element in 51CrV4 structural steel material etc. steel. Sulfur exists in steel in the form of iron sulfide (FeS). FeS and Fe form a low melting point (985℃) compound. The hot working temperature of steel is generally above 1150 - 1200℃, so when the steel is hot working, the premature melting of FeS compound causes the workpiece to crack, which is called "hot brittleness". It reduces ductility and toughness of steel and causes cracks during forging and rolling. Sulfur is also detrimental to welding performance and reduces corrosion resistance.

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Laser cutting, it is a specific way of cutting 51CrV4 structural steel material steel plate cutting processing, is also one of the common way of cutting its on the cutting or machining parameters, if you want to get the right number, is that you can adjust these parameters to achieve a goal, adjust a few times more to get accurate numerical right in addition, we also need to know is, the faster the cutting 51CrV4 structural steel material speed, the light intensity is smaller, so, the smaller the laser penetration is, in turn, can control the penetration depth of laser.