Q235B Steel Hot Rolled Coils Hot Rolling
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of q235b steel hot rolled coils hot rolling in China. If you're going to wholesale high quality q235b steel hot rolled coils hot rolling made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
Hot rolling refers to rolling performed above the metal recrystallization temperature.
Recrystallization means that when the annealing temperature is high enough and the time is long enough, strain-free new grains (recrystallization cores) are produced in the fiber structure of the deformed metal or alloy, and the new grains continue to grow until the original deformed structure is completely disappear, and the properties of the metal or alloy also change significantly. This process is called recrystallization. The temperature at which new grains begin to be generated is called the starting recrystallization temperature. The temperature at which the microstructure is completely occupied by new grains is called Final recrystallization temperature, generally what we call recrystallization temperature is the arithmetic mean of the starting recrystallization temperature and the final recrystallization temperature. Generally, the recrystallization temperature is mainly affected by factors such as alloy composition, deformation degree, original grain size, and annealing temperature. Influence.
The above is the simple principle of hot rolling in theory. In the actual production of our aluminum processing industry, the main manifestation is that when the ingot is heated to a certain temperature in the heating furnace, that is, above the recrystallization temperature, the rolling is performed. , and the determination of this temperature is mainly based on the phase diagram of the aluminum alloy. That is, under the most ideal situation, the heating temperature is determined based on the temperature of the alloy at 80% of the solidus line in the multivariate phase diagram. This is It involves the issue of multi-element phase diagrams of different alloys. The determination of the heating temperature is based on 80% of the solidus line of the alloy. In the implementation of the system, based on the actual production conditions and the operation of the equipment, the obtained results will be modified. Temperature suitable for the production of this alloy.
FAQ
Q: Can you provide sample?
A: Yes, for regular sizes sample is free but buyer need to pay freight cost.
Q:How can I get a quotation from you?
A:You can leave us message, and we will reply every message in time. Or we may talk on line by trade manager. And you can also find our contact information on contact page.
Q: Do you accept the third party inspection?
A: Yes absolutely we accept.
Q:About product prices?
A:Prices vary from period to period due to cyclical changes in the price of raw materials.
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