In fact, this kind of armored steel appeared as early as World War II. The method at that time was very simple, called surface hardening treatment, or the same piece of armored steel, which only heated the surface of the deck with gas flame at high temperature and then quickly quenched.
Cooling processing is called surface hardening. The surface has a brittle layer with extremely high hardness. After it reaches the inside, it softens.
However, of course, there is no need to do this now. Now we need to make double-hard steel, which is formed by tightly rolling two alloy steel plates together. This is how rare earth armored steel code-named 623 is made.
The temperature outside the steelmaking furnace was quite high, so everyone stood outside the blast furnace and looked at a piece of steel plate just rolled out there.
"We pre-produced these steel plates. In the early stage, we will give them to your machine factory for trial." Ma Hui said: "We are a steel mill and are only responsible for rolling qualified steel. When we arrive at your machine factory, we will be able to use the machine factory.
, How to deal with it is your machine factory’s business.”
When saying this, Ma Hui lost his smile on his face and his eyes were serious: "When you deal with it, the weld must reach the same strength. We wish you success."
The steelmaking plant is only responsible for manufacturing steel. How to weld the steel is the task of the first machine factory.
This task is not easy.
Now, with the development of the times and the advancement of technology, tanks are no longer cast. Whether it is the body of the car or the turret, they are all welded. Only by welding can composite armor be used. Casting cannot be cast
of.
When it comes to welding, the weld must have the same strength as the steel plate. After all, the armor-piercing bullet has no eyelashes. It may be hit on the armor plate or on the weld. If the position of the weld is not enough,
Then it will be penetrated directly from the weld.
How to weld is a matter of a machine factory, and this task is very important.
After hearing the other party's words, Qin Zhenhua and Zhao Guodong's expressions on their faces also became serious.
That's right, this is a huge challenge.
The first machine factory is a tank manufacturer. This kind of manufacturing cannot always be based on the original foundation. The steel factory has produced steel with better performance. Of course, we must master this welding technology. If the welding technology is
But it won't be put into use.
This is a huge obstacle.
"The surface hardness value of the steel we produce can reach 580HBW to 710HBW, and the back hardness is lower, about 450HBW to 530HBW."
Even in the low hardness behind it, the hardness value of the armored steel used in production has reached the current production!
"If this armored steel is installed, our tank soldiers will be more confident." Qin Zhenhua said: "We are going to make the armored steel!"
The three major elements of tanks are firepower, maneuverability, and protection. Among the three major elements in China, firepower ranks first, and the maneuverability and protection behind are both severe challenges.
Good maneuverability, then there must be an advanced engine. Strong protection capability means that the tank will be heavier, and we also look forward to a high-horsepower diesel engine. Therefore, the first-machine factory is speeding up the development of advanced high-horsepower diesel engines and striving to achieve these aspects.
The breakthrough, and once there is a better armored steel, of course, it will also be used.
"Prairie Steel Factory is really a big unit. I think it is even larger than our first-machine factory." Qin Zhenhua said with sighing and looking around.
There is nothing else, it’s big. In fact, they are really big, just like the number of employees, there are tens of thousands of people.
Qin Zhenhua was also very eye-opening when he came to the steel factory for the first time.
"Although our unit is large, its benefits are not as good as your machine factory. Now, many workers in our factory are jealous of your New Year's welfare." Ma Hui said: "If this continues, they probably all of them will be the same if they continue like this.
I have to report and ask to go to your factory to go to work."
"Okay, we welcome it." Qin Zhenhua said heartlessly, not caring about the jealousy in the other party's words. Now, he really has no time to think about this. His mind is constantly turning and thinking,
Who is more suitable to give it to?
Qin Zhenhua also has a foundation in welding, and even the welding technology is first-class, but Qin Zhenhua doesn't have time! He has to coordinate so many projects. The one-machine factory has to carry out too many projects at the same time, so he has to find the one in the workshop.
An experienced master can take the lead.
Who should I give it to? Go back and study it carefully.
...
The New Year is getting closer and closer, and there is a stronger New Year atmosphere outside.
The family courtyard of the entire first-machine factory has become lively, and every household has New Year's goods, especially the ten kilograms of meat, which is simply the first time. If it is a family of dual-workers, twenty kilograms of meat will be added at once.
This year, I was very happy.
There are already housewives who are busy with frying balls and roasted pork. The entire family yard is covered with a fragrant smell, which makes people want to smell more when they pass by, and then
Some kids' saliva flowed out.
There are also some deserted places in these lively scenes.
For example, Du Youwen.
"Smoking, smoking, at home, you know how much it costs to smoke. Do you know how much this box of cigarettes cost?" In the room, a cigarette was lit. Du Youwen had not yet taken a sip, his wife Yu Xiuxiu's
The scolding has arrived.
This year, their family was quite deserted.
Back then, Yu Xiuxiu was also considered a beautiful girl. She just fell in love with Du Youwen who came back from school, entered the factory, was a cadre staffing, and entered the R&D room. She didn't get out of the workshop. She was superior and married happily.
At that time, I thanked my brother-in-law Yu Changhong for introducing a good partner.
I never thought that it would be today!
Yu Xiuxiu's face looked very ugly.
"What's wrong? What's wrong? I've been putting this box of cigarettes in my pocket for a week. So what's wrong with taking it out and smoking one?" Du Youwen was also full of anger.
"Okay, you dare to talk back. There is no New Year's goods at home for the New Year. You still have the intention to smoke. You can't live this day!" Yu Xiuxiu shouted, grabbing pots and pans and throwing them.
On the ground.
After several months, after Du Youwen was fired from the factory, he never went out to find a job again. He wasted his life like this. Although his family had some savings, he could not withstand only entering or leaving. He could no longer live.
"Make a fuss, you know how to make trouble. If you really want to make trouble, go to the factory to make trouble. It's the factory, it's Zhao Guodong, and it was Qin Zhenhua who fired me. If you want to make trouble, go find the culprit." Du Youwen also shouted