The door of the courtyard house has been welded dead

Time flies and several days pass.

It was the end of August.

In the Red Star Factory, which is arguably the hottest hot rolling workshop, sparks are flying at this moment.

The hot-rolled rod wheels, as thick as tree stumps, kept rotating, and the steel just unloaded from the freight station was heated to a dazzling red gold color, and then sent in by the conveyor belt.

The rolling rollers squeeze and deform this batch of special steel to the predetermined thickness. The liquid that cools the machine makes a hissing sound and blue smoke rises repeatedly.

The whole scene looks just like making dumpling skins at home, using a rolling pin to roll the cut dough continuously until it is rolled into a thin dumpling skin.

Steel has this kind of ductility after being heated at high temperature. After proper extrusion, the internal molecular structure becomes more closely connected, and after cooling, it can still maintain the toughness that only hot-rolled steel plates have.

Compared with the cold rolling workshop, cold rolled steel has higher strength, but it loses some elasticity, or flexibility, so the steel used for grille armor needs to be cold rolled.

The steel used for ships, such as the pressure hull of a submarine, needs to undergo hot rolling, controlled rolling, pickling and shearing before it can be delivered.

For more than half a year, the L921B steel developed by the institute has been in the trial and error stage since the formula was submitted. After all, large-scale mass production and laboratory work are two completely different situations.

Li Feng, with a welding helmet on his face, stood on the iron walkway above the workshop, staring at the batch of steel not far away. His shirt was obviously soaked with sweat.

"This is the rough rolling, and the conveyor belt behind is for feeding the material into the intermediate rolling line, and finally the finishing rolling. We have to wait at least another two hours~!"

Director Pan, who was also wearing a welding helmet and holding his hands in front of his abdomen, felt the smell of his hair being burnt. Seeing that Secretary Li was still paying attention to this batch of steel, he reminded him nervously.

"It's okay. Control the temperature according to the requirements above. Don't be careless. This batch of steel is very important, not only to us, but also to the consignee~!"

"After the flaw detection, if there are any flaws, damages, or cavitations inside, it is better not to use it and do not rush to send it. I want to emphasize this to you. This is a political task. You must remember that you are also wearing military uniforms~!"

How could Li Feng not be nervous? This first batch of L921B steel began to undergo the hot rolling process in the workshop.

Secretary Li is as nervous now as he was when he took the college entrance examination. This batch of steel can really be said to be the child of Red Star Factory, which is hatched in the factory. It will be used in the country's heavy equipment. If anyone dares to be careless, Secretary Li will have to pick up a knife and kill him.

And they really did it. The steel billets and alloy steel materials sent from Shijingshan were all qualified products. However, after the hot rolling process at the Red Star Factory, they suddenly became unqualified in large quantities. From top to bottom, no one could escape.

Director Pan rubbed his teeth and felt the importance of this batch of steel from Secretary Li's words. He nodded and reminded the people behind him again.

Everything was guided by the documents issued by superiors and the production was carried out according to the standards above. Director Pan couldn't help but feel a little nervous.

"Secretary Li, where exactly is this batch of steel plates used? The process for processing this batch is somewhat different from what our factory has processed in the past..."

"That's right. You have to keep an eye on it yourself. You have to pick up all the scraps of this batch of steel, even the scraps after cutting. If you take out a piece of scrap steel as thin as a hair, you and I will be punished. It's a sin to be shot. Do you still want to ask about it~!"

Pushing the mask up and putting it next to Director Pan's ear, Li Feng spoke softly, watching his body tremble, and then walked away.

The first batch of steel plates still needs to wait for two hours, but Li Feng can afford to wait. More than half a year has passed, and the design drawings should have been completed long ago. The various supporting parts and components are also scattered in state-owned factories across the country and are gradually coming off the production line.

Finally, it was transported to Huludao Shipyard for final assembly. The country had waited for so many years to take this step, and Li Feng was happy to wait for these two hours.

As long as the first batch of steel plates is delivered and received smoothly, the domestic nuclear submarine will be marked by the Red Star Factory, and it will be an important component such as the pressure hull. This is a historic moment for the country, and it is also a historic moment for the Red Star Factory.

"Secretary Li, the police have sent a car to pick up the goods!"

Before Li Feng could turn on the electric fan and take a good rest, Secretary Wang came running over to inform him. Although, he didn't know that something produced in the factory was actually supplied to the police.

"Call Section Chief Jin and ask him to prepare the warehouse key. Forget it, let's go and take a look~!"

Li Feng chewed the popsicle sent by the cafeteria into pieces in two or three bites. He checked the time. What public security? It was the investigation department with public security credentials.

Last time, it was Li Feng who rode his tricycle to come to our door to buy a bulletproof vest. Now, Lao Zheng also knows that this thing is really useful, and he can't wait to arrange someone to pick it up at the end of the month.

Public Security, due to the current limited production of bullet-proof ceramics from the research institute, the public security has to wait and use it in important places first.

We have to wait for the troops, or at least the Type A troops stationed in the north, to be equipped one after another before we can get our turn.

This period of time is very long, and it will be calculated in several years. We have to wait before the ceramic workshop can officially become a large workshop like the hot rolling workshop.

Secretary Wang went to inform Section Chief Jin, while Li Feng walked out of the hot rolling workshop alone, stood on the main road in the factory, and looked towards the gate.

As expected, the person who came this time was Shen Xinnian again, sitting in a small jeep, followed by two trucks. After seeing Li Feng waiting on the side of the road, he stopped the car immediately.

"Oh, this time, I don't have to deliver it to your house~!"

Li Feng was narrow-minded and still remembered the last time he was blocked at the entrance of the investigation department and almost had his car and himself checked. When he saw Shen Xinnian after she got out of the car, he saw a completely different face.

The offense and defense have changed. It's because the output of bulletproof vests of the Red Star Factory is not high. The General Logistics Department is the direct superior department. The army is Li Feng's main supporter now, not the original investigation department.

"Tsk, look at you, what's the relationship between us brothers? If you had called me to pick it up last time, how could I not come~!"

Of course, Li Feng was not the only one who changed his expression. The things were easy to use and conveniently designed for them. The Beijing Station and the Shanghai Station tasted the meat. The action personnel at other stations all wanted to save their lives.

"Come here, the person sitting here is the head of the General Affairs Department of our department. This time I came here, Director Zheng also gave personal instructions. From now on, these equipment will be received by the General Affairs Department. Of course, there is also our house~!"

After winking at the back seat of the car, Shen Xinnian grabbed Li Feng's arm and pushed him into the jeep, while she sat in the passenger seat.

"Oh, don't big shots like to get off the car?"

Wow, Shen Xinnian, a capable officer from the Second Operations Department of the Beijing Station, came to introduce him personally. He must be a big shot, and he didn't even want to get out of the jeep.

Although Li Feng was complaining in his mind, he still maintained a reserved smile. He just didn't know whether the middle-aged man on the train was in charge of the general equipment of the Beijing Station, or was in charge of the overall coordination of the Investigation Department's national stations.

But it doesn't matter. Even if Zheng Chaoyang comes in person, Li Feng can't produce more bulletproof plates. These are all. There are no more. Even the gods can't help...

"Hello, Comrade Li Feng, my name is Xu Zhongyi~!" (End of this chapter)