Chapter 138

After listening to Zhao Fengnian's instructions, they prepared to go back to their own statistical information. Many of them had unclear functions, and needed to be carefully divided and evaluated for contributions.

They want to finish the work as soon as possible, so as to let the staff of the territory feel the gift of the little Lord as soon as possible, and encourage them to serve the little Lord with more enthusiasm.

There are many trivial matters that will be opened tomorrow, and they are also required to schedule them one by one.

Just as the crowd was ready to leave, Wang Meng spoke again, because he had something more important to say at the end.

Zhao Fengnian naturally knew that there was something more important. Otherwise, Wang Meng could not have left Heitie village and returned to the castle.

Wang Meng saw Zhao Fengnian looking at him, then respectfully took out a rectangular object wrapped in white Juan from his arms and handed it to Zhao Fengnian.

At the same time, he said, "according to your orders, Mr. Li has developed the finished product. However, due to various reasons, the properties of the black iron produced are quite different, which will eventually be refined into this new material

"After the experiment, Li found that this material is much softer than black iron, and can be bent continuously, but the hardness is not enough. Once hit, it will bend, so it has no practical value."

Zhao Fengnian took over the cloth bag and opened it to see a piece of bright white metal, completely different from the black iron, showing the unique luster of silver.

Zhao Fengnian curiously took the two ends of the metal and folded it. Sure enough, the metal was bent without breaking it.

Zhao Fengnian took the metal strip which had been twisted and deformed, and fell into meditation.

What is the metal made from pig iron? He knew that the method of frying steel did not necessarily lead to refined iron, that is, steel.

Because he does not remember the specific process, but has a general impression and principle.

Thinking of the principle, Zhao Fengnian suddenly thought of what. The method of frying steel is to heat and stir pig iron to reduce the carbon content in pig iron.

The carbon content of pig iron and steel is higher than 2% and lower than 2%.

Thinking of this, Zhao Fengnian thought of another kind of metal, namely, wrought iron! The carbon content of this kind of iron is less than 0.2%. It has soft texture and high toughness. It is generally used in the production of frying pan.

Because of its extensibility, he can make thinner, thinner pots. Thermal conductivity is very good, so the temperature conduction of stir fry is faster!

Thinking of the name of this kind of metal, Zhao Fengnian suddenly brightened up, and some things that he thought he had forgotten came to mind.

Because it is difficult to control the impurities and time, the success rate of steel frying in ancient times of the last world was very low. Most of them got the cooked iron with low carbon content.

But through carburizing, the cooked iron is put into the carbon fire to burn red, beat, fold, beat and burn again And so on a series of work, will eventually become steel, known as 100 steel.

After that, it seems that someone smelt pig iron and pig iron together. The melting point of pig iron is lower than that of wrought iron. When the molten pig iron infiltrates into the pig iron, the steel with good quality can be obtained stably. This process is called pouring steel method.

However, Zhao Fengnian did not know the proportion of raw and cooked iron, which requires Li Tiezhu to continue the experiment!

But it's nothing. Just think of a way. Zhao Fengnian has plenty of time and is not in a hurry to spend money.

And even if the research out can only be used secretly, secretly sold, can not be sold with great fanfare.

Then Zhao Fengnian told Wang Meng what he knew. Wang Meng listened carefully and didn't record it, because the secret was not safe to write on paper.

After that, Zhao Fengnian told Wang Meng to go back and call Li Tiezhu to record the metals produced in the experiment in detail.

Because the properties of steel produced by different proportion are different, it can be applied to different fields.

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