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The two eastern brothers were taken aback.

Dongfang Junhua reached out to take over the drawing, "You mean, wrap the soft iron with two layers of hard iron and combine the three irons into one sword?"

Gu Qianxue nodded, "Yes! In fact, it is more appropriate to name the two pieces of hard iron outside with "steel". The pig iron with many impurities is soft and tough. It is called iron, and the martial arts pursuit is a rigid, soft and rigid. Can you make swords with softness?"

Dongfang Junhua was shocked and murmured, "Rigidity and softness, right! The biggest problem we encountered in the past was that extremely steel is easy to break, why not add a tough core to it?"

After getting along with Gu Qianxue for a long time, Jun An was used to the shocking ideas that Gu Qianxue had come up from time to time, and there was less shock."Can the three pieces of iron merge?"

"In principle, it is possible, but whether it can be merged depends on the technical process and equipment." Qian Xue said in a deep voice.

Different from Junan's question, Dongfang Junhua has been eager to try. "It doesn't matter. I'll try it and I will know if it can be merged."

"Slow, there is." Qianxue said.

Dongjun Junhua's look at Gu Qianxue can no longer be described as stunning. If he used to be a beautiful woman, then what is present in his eyes is a fairy, "Miss Zhao heard."

Gu Qianxue reached out, and at the beginning of the smoke, he handed over a large slap bag.

"This is?" Dongfang Junhua was puzzled.

"It is manganese ore." Gu Qianxue untied the cloth bag while talking.

Dongfang Junhua knows the manganese ore, and the mines in the famous Jianshanzhuang are so many that such things are useless and toxic. The villa stipulates that absenteeism should avoid contact as much as possible, and it will also excavate the manganese ore attached to the iron ore to fill the old mine shaft."Miss Zhao means to add manganese ore to iron? This is not enough. In fact, for thousands of years, the forefathers of Shanzhuang have been working hard to improve the casting formula. Manganese ore has also been tried, but..."

"It's because the dosage is wrong," Qianxue interrupted him. "Do you try such a dosage of manganese ore per hundred iron ore?"

Dongfang Junhua and Junan were surprised. What is the difference between a hundred parts of iron ore and one part of manganese ore?

Gu Qianxue saw what they thought, and said, "Although the famous Jianshanzhuang casting technology is superior, but you have never thought about it, the superior casting technology is not unique to Mingjianzhuangzhuang? Then why is the iron developed here better than elsewhere? Okay? Didn’t you ever wonder if the gap is in the material? The biggest feature of Mingjianshanzhuang’s minerals is the same iron and manganese. Although you try to exclude manganese ore, but in the formation of minerals for thousands of years, There is also some fusion, and it is because of the fusion of iron and manganese that the iron in Mingjian Mountain is different from the iron in other places, and the weapons that are cast are also different from the weapons that are cast in other places.

Dongfang Junhua nodded, "As for the material problem that Miss Zhao said, the ancestors of the Oriental family had long thought of it, but no one can be sure, maybe... as Miss Zhao said, the problem lies in the manganese mine. If according to Miss Zhao Meaning, because of the presence of trace manganese ore, the iron in the mountain is different from the iron in other places; and because the impurities are smashed out during the casting process, but at the same time it also causes the lack of manganese, so now we must add manganese ore, right? ?"

"Yes," Qianxue assured.

In fact, many modern special steels have a wide range of uses and high-quality materials. The scrap steel they take out is much better than the steel of this era. However, in the aspect of steelmaking, Gu Qianxue really can’t help it, just because I remember learning in high school geography class. Some of the knowledge is vague and vague.

And the trace elements needed for real special steels are more than manganese ore?There are also tin ore, nickel ore, etc. Gu Qianxue doesn't want to embarrass himself anymore, just one manganese ore.

Junan didn't know how to make a sword. Although he subconsciously wanted to refute it, he saw his fourth brother said nothing and shut his mouth obediently.

Dongfang Junhua thought for a moment, then nodded, "Then let's try it." To Jun Andao, "Five brothers, we cast a small knife at the same time, you use iron ore, I add manganese ore."

"Okay." Junan said nothing, then changed his clothes and started a fire.

Because of the major involved, Dongfang Junhua has less infatuation and more calm. "A hundred parts of iron and one part of manganese, is that true, Miss Zhao?"

"Yes." Gu Qianxue did not know how much to add, let's add one percent first.

"Then let's try it first. Girls Zhao and Chu Yanqi are better off, otherwise it will be bad for you to choke on the smoke." Dongfang Junhua said softly.

"Yes." Gu Qianxue said nothing, and ran with the first cigarette.

Until the other corner of the yard, far away from the two brothers in the East, Gu Qianxue stopped.

Chu Yan looked at the diagonal direction of the courtyard lightly, "Miss is in shock, guilty." It is not an interrogative sentence, but an affirmative sentence.

Qianxue glanced timidly, then sighed and nodded, "Yeah, I can’t help it, Junan told me to hide my identity, and I can’t tell Dongfang Junhua that I’m married? After marriage? The married woman throws away her husband and ran out to participate in the sword-making meeting, and she showed her head. The impact is not very good." Anxiously scratched his hair.

Chu Yan sighed, "Otherwise, let Jun'an tell Dongfang Junhua that the young lady has a sweetheart and is a fiancé, how?"

Qian Xue also suddenly realized, "Okay! Very good! That's it! You are so smart at first smoke!"

The first smoke smiled bitterly, smart?Where is she smart?If you are really smart, why can't you think about your own things and can't make a decision?

"The two of them are ironing, what do we two do?" Gu Qianxue began to be bored.

In this yard, it is not convenient to practice martial arts, and there is no book to read. There is a chess set beside the yard, but it is better to let Gu Qianxue play chess than let her go to play iron, besides Chuyan does not look like someone who can play chess. .

Chu Yan was silent, not knowing what she was thinking.

Suddenly, Qian Xue Lingji moved, "How are we going to cook?"

"Chef?" Chu Yan froze.

"Yeah, I haven't made matcha layer cake for a long time. Brother Jun is afraid that he hasn't eaten it yet. We are also idle. Just because there is a kitchen, let's make cakes."

At the beginning, the mouth of the cigarette was smoked, but I wanted Gu Qianxue to say that Junan hadn’t tasted it before, and my heart was just about to move, "All slaves listen to Miss."

So, the two began to make cakes.

In a flash, half a day passed by in the afternoon.

Because of the urgent time, Junan and Dongfang Junhua did not stop for lunch, and made the knife used for the words.

At the same time, Gu Qianxue and Chu Yan's matcha thousand-layer cake were also freshly baked, and the warmth was when the soft glutinous rice was delicious.

When the two came to the casting platform with the cake, they heard a crisp sound, followed by the surprised voice of Dongfang Junhua, "Wonderful! What a wonder! Girl Zhao is really a god-man, and she can invent such a formula! "