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The so-called quenching is a process of metal material processing.

Briefly, the metal workpiece is heated to a suitable temperature and remains for a period of time, then immersed in the quenching medium.

After the folk blacksmith shop, after various iron, the red iron is quickly immersed in water, which is a way of quenching.

Qualification and tempering of quenching and tempering, annealing, normal fire, collectively referred to as heat treatment processes, is an important means for improving material properties.

By accurately controlling the medium, temperature, time and other factors in the heat treatment process, the toughness, strength, hardness, abrasion resistance, fatigue strength, etc. of the material can be achieved, and the learning can be described as deep.

As a material expert, Qin Hai has an in-depth understanding of the heat treatment process.

He just looked at the agricultural tools they did, and he knew that this was not treated by quenching.

Manganese steel, manganese steel is a steel material that is excellent in toughness and wear resistance. However, if the correct quench is not performed after processing, the steel will be soft, thereby present the phenomenon of this curie.

Fathers have a few of the apprenticeship of the water, and the problem of the processing technology, even the "quenching" of Qinhai said

This word, they all reacted.

Quenching "quenching"

The word is explained in the dictionary, it should be "crisp"

This sound, but in the popular professional, people are used to the "war"

This sound, this is "" from the tradition of northern civilians

This word is attracted.

"You said ... Is it crisp?"

The little child in three young people tried to ask.

"Well, you can do this."

Qin Hai compromises, now it is not a popular term, as long as the other party understands what he means.

"We are ... I can't find water.

The short child replied with a slightly invisible voice.

As an apprentice, I have seen pig running, I have seen this process, I have seen this process, just don't know what effect.

When making these farms, maybe as he said, because there is no convenient cooling water next to it, then this process is jumped.

"What? Your iron has nothing to sell, and it is not a fake goods!

Several farmers are careful, and they call.

Although they don't understand the industry, they can at least have seen the blacksmith to fight iron. I know that I have been quenching such a thing, I know that I didn't have to be repaired.

"Return!

"Funding money!

"Let them lose money!

Several peasants shouted straightforward, waiting for Qin Hai to speak for them.

"How do you think?"

Qinhai looked at three young people and asked.

The fat tone is a bit soft, muttered: "They just want to blame us, we are all good steel ... Even if there is no quenching, steel is always a good steel bar ... such a good steel, it is cheaper than the iron craft ... "

He is very clear, but it is very clear, it is not willing to return money.

Five farmers have seventeen pieces from the farmers you bought here, worth more than a dozen dollars, if all returns, it is estimated that they can't get it.

Qinhai saw that the fat man was difficult. He turned back and said to those farmers: "Uncle, I will mention it?"

"You said.

Several peasant roads.

Qin Haidao: "Since you bought these brothers' farms, you must use it home.

The steel used by these farms is indeed a good steel, just a process of processing when processing.

If you prefer, I will let these brothers returned these farms to the furnace and make up the quenching process.

I promise that after the repair is finished, these farms have been used better than your past, how do you see? "

"Hey, do you know what is quenching? We don't understand this.

The fat man pulled the clothes behind the Qin Hai, and I was afraid that the Qinhai didn't pit them.

Qin Hai used Hard Terminal and said, "I said:" Since I dare to promise, I naturally be sure ... However, you have to help me find an blacksmith shop, and some quenching media, I will tell you later. .

This will have a simple exchange of opinions, probably nothing to entangle with the fat man and others, and he nodded, so he said: "Look at you." This small young face, as long as they can repair these farm tools, guarantee that they do not return, we will not return.

"Who dares to guarantee that you don't have a curdle!

The high young people are not suitable. "You take the iron shovel to squat bricks, nor can you cut the edge?"

"If the quenching is good, it can indeed the edges.

Qin Hai laughed and said.

"Well, I will rush you this young man, if you say that this shovel will not blade after quenching, I bought the farms on this stall!"

The previous leading peasants came a pleasant law. In his heart, I also felt that Qin Hai was a little exaggerated, but at this time, he can force the three young people without causing the three young people. It is of course happy to see.

"You said it yourself? Good, buddies, you said, how do we do quench?"

The fatty blood was thrown by the farmer. He suddenly produced a wish, that is, hope that Qin Hai is able to handle these farms to the clipping of the bricks, so that, it can use the peasant. He bought him away, but it is not only how much money can earn more, but it is possible to earn it back.

Qin Hai looked at both sides, shook his head without helplessness, and then said three young people: "To do quench, you must have a stove ... You are a factory? It is back to your factory, or find an blacksmith shop. , What do you say? "

"Find a blacksmith shop.

The short man said.

Out of selling farm tools to earn money, it is the private life they do. This kind of thing is still trying to pull it into the factory.

"Not far there is a blacksmith shop for Zhang Lao San, I can take you with him.

The lead farmer refers to a direction and said.

"Well.

Qinhai nodded and said to the young people: "There is still something, you need you to find it.

I need to have some quenching solutions. For several chemicals, these drugs may only be found in the laboratory of secondary schools, who is your relationship? "

"I ..."

The short child raised his hand, "I am in the county ..."

"Well, the drugs I need is **, Ya **, and **, name and quantity I will write it down, you will go to you soon, get these medicines, send it to Zhang Laosan's blacksmith shop go with.

Qin Hai took out the paper from the bag, wrote a few names, and handed it to the short child.

When you are now, a few young people can only be their own, they also hope that Qin Hai can create a miracle for them, reverse the passive.

The shorts took over the note from Qin Hai, sprinkled two small short legs, ran in the direction of the county.

Hassing a short child, Qin Hai greeted, the rest of the people held the farmwood on the stall, and under the leadership of the farmers, I came to an blacksmith shop located in a bungalog, hung in the door of the blacksmith shop. A piece of brand, I really wrote "Zhang Lao San"

The words.

"I am three, I have something to disturb you."

The farmer shouted.

"Buality, what to buy again? ... Well, how so many people?"

Zhang Lao San greeted from the house and saw so many people outside the door, and some farms were held in hand, and they couldn't help but stunned.

The mutual farmer is going forward, and the three words have said things through things.

Zhang Lao has taken over the blade of the blade, and looked at the edge of the blade, said: "Oh, it is indeed a piece of good steel, but unfortunately ... but, even if you quench it, you can use bricks It is also bragging.

"Master Zhang, is it blowing, can I try it first.

Such a good steel, if the quench is quenched, the general red brick should be no problem.

Qin marginally said.

Zhang Lao three got up to Qin Hai, said: "You are the life of the quenching? Where do you learn?"

Qin Haidao: "I am graduating from the provincial agricultural machinery technical school, and I have learned a little quenching at school."

"Haha.

Zhang Lao San smiled, "School studies, good, good, the newborn calf is not afraid of tiger, I here, the anvil, the water is complete, you will open the old blacksmith open.

His words are full of disdain, but the attitude is still passionate.

Quenching this kind of thing, it is difficult to say, it is easy to say.

Easy, it is heating, then immersed.

It is difficult to say that there are some doorways that heated, and the quenching effect is good, that is, it is reflected in the operator's judgment on the fire.

In the view of Zhang Lao, Qinhai is estimated to be a student who is not a high-grade and highland. I learned a little fur in school, I want to come out.

He believes that Qin Hai will definitely do quench, but the effect of quenching is estimated to be a larger than his old blacksmith.

He didn't do itself, and the extent that these farms can be treated to the brick. Qin Hai wants to achieve this effect, just a joke.

Qin Hai knows that his age is hard and injury, and he wants to see yourself and can only come out.

He went to Zhang Lao three, and then took the tapped head into the blacksmith shop.