Do you know about the 8620 steel?  Its common process is as following:

Forging → normalization → normalizing or annealing (preparing for later) → rough machining → semi-finished product processing → carburizing or carbonitriding and quenching → tempering.

By studying the normalizing process system of 8620 steel, it can be seen the isothermal and air cooling time of the normalizing process will impact on the final structure and properties. The quality of the structure also directly affects the performance of the sample. The grain boundaries are not clear. It is known from experiments that the microstructure transformation is incomplete because the isothermal time in the isothermal furnace is not long enough.

The Ni content in the 8620 steel is half that of the 20CrNi steel. The addition of a small amount of Mo causes the upper part of the austenite isothermal transformation curve to move to the right. And because the Mn content is appropriately increased. The hardenability of this steel is still good and the strength also higher than 20CrNi steel. Commonly used in the manufacture of small and medium-sized cars, tractor engines and gears in transmission systems. It can also replace 12CrNi3 steel to manufacture carburized and cyanide parts that require high core performance. Such as roller drill bits for oil drilling and metallurgical surface mines tooth claw and cone body. 8620 steel because of containing molybdenum, in addition to having a good comprehensive performance. It can withstand a certain temperature. Forged gears and rotors of internal combustion engines for steam turbines.

We are the professional supplier for 8620 steel and other special steel. We could supply it in different shapes, say plates, flat bar, round bar, hexagon and seamless tubes. And we could lower the 20% product cost for the distributor and solve all kinds of complicated problems for end buyer.It really is not easy to find the trustable and reliable supplier in such complicated market. But if you do have already, why not to add one more for back up selection? You will be happy to find us here as we are special in this steel field for more than 20years. We are proud on our creating technique through our company’s rich experience.

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