The next day, Su Ming pretended to say goodbye to Zhang Yiwei on the phone, and then left here, for what was in the box, because he was worried that someone would do something in the hotel, Su Ming had not had time to check, but from the weight of the box, it was estimated that the amount was not small.

Although the miniature camera has existed for a long time, that kind of thing is not convenient to use, and it is impossible to popularize it to everyone, so it is estimated that there are still many ordinary text materials in it, but what will it be, Su Ming thought about it and felt that it must be related to steel.

I hope what is the steel process formula, although the iron and aluminum alloy is good, but it can only replace the effect of titanium alloy in some uses, and the application range is not wide, and now Su Ming's side in addition to the alloy technology made by Ada, the requirements for special steel are still very high.

And Sanshui originally said that his old technology has been thoroughly eaten, basically all can be produced, but after all, it is decades ago technology, many of them are now very down, but they have to be used, you must know that the type of steel according to the large classification is also dozens of kinds, subdivided into thousands of kinds, many special steel production methods are the highest level of confidentiality of major iron and steel enterprises, it is impossible to leak to the outside.

In terms of steelmaking technology, the United States, Germany, and the three countries that represent the most advanced technology, the same is true in the field of machine tools, but the three are different, although the technology of the United States is the most advanced, but it is mostly military, and it is not popular in civilian terms, so his technical influence is not large, and Germany and this are all deep heritage, the two countries have a deep contribution in the field of steel during World War II, although the war broke their country, but talent and technology have not been lost, Therefore, the two countries soon stood in the forest of the world, and now whether it is the export of special steel or the export of machining equipment, these two countries are competing.

A country's steel production represents a country's national strength, but also represents the potential to wage war, and in the military field, a variety of special steel is directly restricting the development of the military industry, without the right steel can not manufacture qualified equipment, this steel can also be extended to materials, but most of them are still based on steel.

And now Su's has encountered this problem, the steel surname can not meet the requirements, you have to use a higher alloy surname, and the smelting of the alloy is definitely more difficult than steel, and the corresponding cost is very high, even if the machine tool produced by Su's is the same, according to the requirements of the use of precision, it is not necessarily very necessary to match high-temperature alloy tools, excellent high-speed steel tools on the line, but because Sanshui Iron and Steel can not manufacture qualified high-speed steel, imports are restricted by the blockade, and can only use high-temperature alloy knives with high prices.

Of course, there is no discussion here about the combat effectiveness of the military stab and the saber, but there is a very unspeakable factor that the surname of the steel can not meet the requirements, and it is very easy to break if it is made into a saber, not that there is no suitable material, but the material is too expensive and cannot be equipped.

For example, why China's imitation road is becoming more and more difficult in the end, and gradually there are signs of not going on, that is, because of the constraints of materials, with the use of various new materials more and more extensively, you can survey and map people's product design and construction, but you can't map out the composition of other people, like composite materials and alloy materials, not to mention, just steel, you don't know its production process and heat treatment methods, you can't make the same material.

After arriving in Berlin, Su Ming returned to his residence, and when there was no one at night, Su Ming opened up a space for himself underground, and then opened the box, opened it and took a look, sure enough, it was a thick text material, some were copied by hand, but most of them seemed to be copied from the original text, I don't know how Zhang Yiwei got so much information, Su Ming picked up a copy casually and looked at it from the beginning.

This information is about the technical characteristics and part of the process principle of thyssenkrupp company in electroslag remelting steel, electroslag remelting steel Su Ming knows that this is a very good structure of steel, and Su needs the knife steel, this steel can be satisfied, but also can be applied to ball bearing steel, stainless steel, heat-resistant steel, high-strength structural steel, heat-strength steel and other steel grades.

This kind of steel also has a characteristic is that it is easy to smelt, the process is not complicated, and the remelting equipment is simple, easy to produce, although the country has been researching this material and has results, but it can be put into practical is not much, and it seems that it does not have large-scale production capacity.

Like the barrels of various tanks and artillery, as the power of the shells is getting bigger and bigger, the rate of fire is getting faster and faster, and the chamber pressure is getting higher and higher, the original materials can no longer meet the use, and the latest artillery systems, without exception, use this kind of electroslag remelted steel, but the country has not yet developed to the practical stage in this regard.

For example, the artillery produced by Rheinmetall Co., Ltd., which cooperated with Su, was used by the main battle tanks of the United States, France and other countries, and the advanced surname of this artillery can be seen, and the barrel of this artillery is electroslag remelted steel, although he called it artillery steel when he introduced it to the outside world.

Su Ming probably flipped through it, and he couldn't understand anything too professional, but from the introduction, the principles used in all the process improvements were introduced, and then Su Ming looked at the next one, which was still an introduction to this kind of steel, and then when Su Ming's eyes swept to the next one, he was immediately attracted.

It reads ERS (abbreviation for electroslag remelted steel) production process, and when I opened it, I suddenly stumped Su Ming like a book from heaven, and it was a very professional and difficult word, but from many formulas and drawings, it is estimated that it is true, which makes Su Ming strange is why the technical information of the German company should be in English, this seems to be a little inconvenient, although it is very convenient for Su Ming, but Su Ming is still very puzzled.

What Su Ming didn't know was that this was not thyssenkrupp's most advanced technical information, which was prepared a few years ago when thyssenkrupp was preparing to exchange technology with British Steel, and later due to various reasons, the exchange was not carried out, and these materials were saved in a temporary warehouse and were forgotten there, and that temporary warehouse happened to be Zhang Yiwei's territory, ordinary Germans naturally disdained these English materials, only Zhang Yiwei, who was also proficient in English, found its value. And they were copied and transcribed, and since they were all in English, most people couldn't read them, so they didn't find them.

But this is convenient for Su Ming, otherwise he doesn't even know a word in German, after reading this, Su Ming looked at the next batch, this is a production technology, its name even Su Ming has not heard of, called vacuum degassing smelting technology, and several smelting methods are introduced later, such as vacuum induction smelting, vacuum self-consumption smelting, double vacuum smelting and so on.

Su Ming didn't bother to look at the following things anymore, the joy in his heart couldn't help but make people want to get rid of it, it's too worthwhile, this trip is too worthwhile, the value of these materials is priceless, and he is lacking this technology, so someone sent it to the door, this is called God's favor, fate is tied to himself, what do you want.

As for Zhang Yiwei's original purpose of handing these over to the state, Su Ming had not hesitated to put them aside, handing them over to the country is no different from handing them over to himself, is he also a member of the country, besides, it's not that he doesn't pay them, it's just that he has chosen his surname to hand them over, as for Zhang Yiwei, Su Ming wants to give him some compensation, but he is afraid of making others doubt him more, so he thinks about it for the time being.

Su Ming, who wished to fulfill his wishes, happily repacked these things and put them away, and when he returned to Pakistan, he would make dozens of copies first, and then let his own people study them, striving to get the results as soon as possible, I believe that even if they handed over all these to the country, with their procrastination style and work efficiency, they don't know if the results will be shelved.

After doing this, Su Ming felt that he really should leave, the harvest was already very small, in addition to pulling two big business, he had laid a foundation here, and then got a large number of drawings of the machining center, although Ada did not give himself a transformation, but with these is enough for his own use, a trip to Duisburg and got a batch of new material production technology, there is no more perfect than this trip.

Although there were a few twists and turns in the middle, the CIA also made a move, but in addition to making them suffer a dark loss, they had nothing to lose, but they had a real watch for nothing, and it was difficult for them to deliberately make a little old, but they didn't know that losing a new one would make Su Ming happy.

Su Ming thought that before leaving, he had to say hello to Mr. Wiegman, at least let the family arrange for someone to send him back, otherwise it would be broken if he was hijacked by the CIA again, but he didn't expect that Wiegman happened to have something to find Su Ming, and the two of them happened to stagger away.

Su Ming felt that it was more polite to come to the door directly, but it was inconvenient for Wiegman to say on the phone, and when they contacted each other after they couldn't find anyone, they knew that they were all on each other's territory, and the two of them made an appointment to meet at a place, and before Su Ming proposed to say goodbye, Wiegman's words surprised Su Ming: "What, give me a deposit of 50 million German marks, why?" ”

Su Ming, who took the initiative to ask for money, has seen a lot, and he has really not seen a few who took the initiative to give money, did this Wigman take the wrong medicine, Su Ming looked at him suspiciously, no, his face was as usual.

(To be continued)