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But Yu Yueyun looked at the hourglass and counted the time. From time to time, lift the steel column and wait for a while, then continue quenching - this is to prevent cracks from being quenched too hard at one time. At the same time, people were also asked to test the aura content in the water. The one used for quenching is spiritual spring, not ordinary water.
After repeated tests, everyone found that direct quenching will cause the black iron to form a kind of 'spiritual insulator'; but if it is quenched with spiritual springs, this situation can be eliminated.
But quenching is also a technical job. The higher the quenching temperature, the harder the steel is; but the higher the temperature, the easier it is to cause breakage.
And how to master the ¡®degree¡¯ requires experience and serious research spirit.
At this point, Yu Yueyun showed a talent that shocked Zhang Hao. Moreover, he also learned from folk blacksmiths and general weapon refiners and studied hard.
In just a few days, he mastered the basic requirements. Maybe it's not perfect, but at least it's enough to deal with the current steel pillars.
Zhang Hao does not require these steel pillars to reach the strength of "high-grade magic weapons", as long as they can reach the strength of ordinary magic weapons, it is enough. Technology must be accumulated slowly.
Half a day later, after the steel column had cooled down, Yu Yueyun placed the steel column inside another barrier, adjusted the flame temperature to 500 degrees, and heated it gently. He also asked the craftsman next to him to take out the steel column after two hours and leave it to cool naturally.
??For the past two days, Yu Yueyun was busy without touching the ground, personally supervising the production of each steel column. Just in case, Yu Yueyun produced a total of 14 steel columns.
In the end, Zhang Jiaxuan¡¯s iron output couldn¡¯t keep up, and they even mobilized it directly from Luancishan Factory. Fortunately, the road from Luanci Mountain to Zhang's house has been constructed, otherwise it would be another troublesome matter.
The fourteen steel columns are each about 8.6 meters high - originally expected to be eight meters high, but due to the lifting barbs reserved above, the height increased by 0.6 meters.
The bottom of the steel column is one meter in diameter and eight meters in height; the upper barb is more than 30 centimeters in diameter, forming a barb about 0.6 meters in height.
The weight of each steel column is around 51 tons, with an overweight of no more than 0.2 tons.
Early on the morning of the sixth day, Zhou Jue led everyone from the Weapon Refining Guild, accompanied by several majestic masters wearing Jiuyang Sect costumes.
Behind these ¡®middle-aged¡¯ people, there is a pair of men and women with rather aloof postures, who seem to be a couple. The woman was talking to Zhou Xueyao, and the two women kept laughing.
Beside her, Mu Yingying looked at Zhou Xueyao warily, her eyes oscillating between Zhang Hao and Zhou Xueyao from time to time.
Zhou Jue came over, "Brother Shi, let me introduce you. This is Master Zhang Xinhan, the master of Jiuyang Sect's weapon refining hall. He is in the early stage of Yuanying. No one can match his weapon refining skills."
Zhang Xinhan nodded to Zhang Hao with a cold face, and said coolly: "Don't listen to his nonsense. In terms of refining weapons, I can only say that no one among his peers can match him. Compared with some elders, elders, etc., there are still shortcomings."
Zhang Hao: Are you being humble or boasting?
Zhou Jue looked a little embarrassed, and had no desire to introduce in detail. He pointed at the back of Zhang Xinhan and said simply: "These are all from the Jiuyang Sect's Weapon Refining Hall."
Then he pointed to the pair at the back: "These two are from Xinglin Hall, Master Lu Yang, and Lu Yang's wife Xiao Xiao, both are in the Nascent Soul stage.
Uncle Lu Yang is the best weapon refiner in Xinglin Hall, especially in the pill refining furnace. Uncle Xiao Xiao is unique in alchemy. Many of the elixirs I made for you were made by Uncle Zhang. "
As he was talking, someone came from the Xuantie Factory. Li Yousheng and Li Yuanyuan were leading the team, dressed fresh and beautiful. But Li Yuanyuan saw Zhou Xueyao immediately.
I don¡¯t know if beautiful girls are naturally attracted to each other.
Today, Zhou Xueyao did not wear a veil, her face was bare, but she was extraordinary, attracting the attention of countless people.
It happened that Zhou Jue introduced Lu Yang and Xiao Xiao, and Zhang Hao and Zhou Xueyao started talking and laughing. Seeing that the two of them looked very familiar, the shyness on Li Yuanyuan's face instantly faded away.
An inexplicable sense of crisis and a little sourness arose in her heart. This woman who suddenly appeared looked so outstanding.
Zhang Hao and Zhou Xueyao had spoken, and then said to everyone: "Thank you all for taking the time to come to the Zhang family. I won't say any polite words. The Zhang family has prepared the embryos of the Dutian Liehuo Formation. Please come with me."
The 14 8.6-meter-high steel columns standing in the Zhang family¡¯s courtyard are so obvious that everyone has seen them outside. But at that time, I didn¡¯t know what it was: the surface of the steel columns that had been quenched and then tempered in a fire environment was pitch black, and the Zhang family had not polished them.There is the slightest brilliance of ¡®black iron¡¯.
Zhou Jue stood under the steel column and looked up at the steel column. The shock in his heart was indescribable.
It¡¯s one meter in diameter and requires two people to hug it. The height of 8.6 meters is almost the height of five people.
These steel columns, weighing more than 50 tons, were just placed on the ground. After just one night, the ground was pressed down to a depth of one foot.
Gently stroking and silently feeling these heavy ¡®iron pillars¡¯, Zhou Jue¡¯s heart was shocked more and more intensely. These iron pillars are entirely made of black iron with a purity of 96%, and are densely structured, completely cast in one go.
??????????????????????????????????????????????????????????????????????????????????????????????? off.
Zhou Jue was even more surprised. As a master in the middle stage of Nascent Soul, his nails are hard enough to cut through gold and jade, and ordinary, unforged dark iron is strong enough to leave deep cuts.
Unconvinced, Zhou Jue turned his true energy, with cold light shining on his nails, and grabbed the steel pillar again.
But the next moment, Zhou Jue¡¯s expression became distorted. The nails are bent!
it hurts!
Covering his paws, Zhou Jue turned his head carefully to see if anyone saw his ugly appearance; he didn't want everyone to be stunned at the steel pillar in front of them, no one would care.
Xin Han, the master of the Jiuyang Sect, was hammering with his fist, but the more than 50 tons of steel pillars did not move at all, and there was not even a sound.
After hammering for a while, only part of the black outer skin was removed, revealing the steel that glowed green inside.
Zhang Xinhan stepped back a few steps, looked at the height of the steel column, turned around and asked Zhang Hao: "Do you really want to engrave the Dutian Liehuo Formation on it?"
"Yes. Sorry for bothering you, senior."
Zhang Xinhan nodded coolly, took out a sharp chisel with flowing light, and chiseled away at the bottom of the steel column.
There was a clang, sparks flew out, and the tip of the chisel broke!
It¡¯s broken!
Zhang Xinhan looked at the chisel in his hand, and then at the steel pillar that left only a little mark, with an embarrassed look on his face.
Zhang Hao waited for a long time, but saw no words or movements from Zhang Xinhan, so he had to speak carefully: "Senior?"
"Ah" Zhang Xinhan woke up with a start and stood up. He could no longer maintain his cool expression, "Why why is the black iron so hard? My chisel, which is a top-grade magic weapon, has collapsed!"
"The quality of a top-grade magic weapon?" Zhang Hao was a little puzzled, "Our pillar only reaches the quality of a middle-grade magic weapon!"
Yes, Zhang Hao is sure that it only reaches the quality of a mid-grade magic weapon. Originally, Zhang Hao requested that it only be of low-level magic weapon quality. But Yu Yueyun managed to refine the quality of a middle-grade magic weapon.
Zhang Xinhan was stunned for a moment and suddenly asked: "How do you define quality?" (Remember the website address: www.hlnovel.com - Didn't finish reading? Add this book to your favoritesI'm a member and bookmarked this chapterCopy the address of this book and recommend it to your friends for pointsChapter error? Click here to report
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