[After the third update is completed, the next step is to add the ...... Another book friend 234194 voted for a thousand votes, and it should be added, but there is a default rule that I forgot to say, this week's votes, accumulated to next Monday, will be unified and updated, for the convenience of rushing the list, I hope you understand].

The prologue is to wait for the furnace to slowly heat up and heat the iron billet to a certain temperature before starting the operation.

To be exact...... It's okay for the time being.

After going around the inside and outside of the small pink house several times, Jiao panted and finally moved a few rugged and heroic chairs, arranged for everyone to sit one by one, and then opened the window to ventilate and ventilate, and went to rummage through the teapot tea, only to find a pot as big as a bucket and a set of cups as big as a sea bowl...... In fact, it is a big bowl of tea.

The tea bowl is big, and it can be endured, so the teapot ...... More than one-third of the water was loaded, and Xiao Taohong couldn't lift it, so she tried a few handfuls, and Xiao Taohong finally got angry, went out of the house, called Lu Zhenyuan, and called a few disciples and grandchildren, and scolded them for boiling water and making tea, and asked them to boil water and make tea to entertain guests.

Everyone was smiling when they saw it, but they didn't feel that time was difficult.

Lin Tuo took advantage of this time to take a good look at the equipment selected by Xia Lu Zhenyuan, beating hammers and tongs...... It's all ordinary things.

The soft stone anvil can dissolve the rebound of iron, which is more strenuous and is a good thing, but it is also matched on my side, and the conditions are the same.

And then there'...... On the edge of the anvil, the two quenched cauldrons, one pot was glowing with white flowers, the other pot was bubbling with a swaggering smell, and the small pink opened the window to ventilate, most of which was due to this.

One pot is animal fat, a better low-temperature quenching solution than ordinary oil, and a pot is animal urine, a primitive high-temperature quenching solution better than pure water.

It can eliminate the drawbacks of easy cracking and distortion at high temperature quenching and low temperature, and can increase the flexibility of the weapon created, and this combination is very reasonable.

The most difficult part is to change the iron billet from the high-temperature quenching to the low-temperature quenching at the right temperature at the right time.

If the old man dares to use this trick, he must be confident!

Lin Tuo looked faintly excited, if there is really no suspense in the gambling game, it will not be interesting......

After thinking about it, Tong Xi had already taken out the iron billet in the furnace according to Old Man Lu's instructions, and honestly forged it with a hammer, the heat was pressing, and sparks were flying.

Every time there was a beat, the old man would point out where to knock a few more times, where to lightly strike, and where to smash hard.

Tong Xi's skills seemed to be really good, and he quickly finished a round of forging, which made the old man rub his stubble and nod in satisfaction, and instructed him to reset the iron billet in the furnace and continue to heat it.

Lin Tuo's side, there was no movement, Lin Tuo sat on the broad chair brought by Xiao Taohong, sipping tea, the old god was there, but Xiao Taohong and Gu Xiaoyi were in a hurry, one by one to fill Lin Tuo with water, to inquire about the situation, one by one to get up and sit down, scratching his ears and cheeks.

On the other side, the old man saw everything in his eyes, and he was even more contemptuous of Lin Tuo in his heart, until he ...... It wasn't until Tong Xi's second round of forging was finished that Lin Tuo finally moved.

At this time, the clinker in the furnace is hot, but ...... The first thing to deal with should be raw material, because according to the old man's estimate, after a while, this raw material will be melted.

The two furnaces in my house are not ordinary goods, and at the highest temperature of the furnace, it is not a problem to turn iron into water.

However, Lin Tuo ordered Gu Xiaoyi to take out the wrought iron......

This piece of iron is extremely soft in nature, that is, the iron content is quite high, it is loose and soft when beaten, and it is very easy to form.

The old man shook his head when he saw it, how could this iron sword be forged for the sake of shape, and abandon the uniform forging of the material, although this piece of iron can almost not be exquisite...... Shaking his head, the next second, his head suddenly froze, and his eyes narrowed into a line!

The wrought iron finished forging and, as before, stood horizontally in the hearth, and at this time, as the old man had expected, the pig iron was partially softened and began to melt.

According to Lin Tuo's instructions, Gu Xiaoyi picked up the pig iron material with the tongs, as if dripping wax to paint, and aimed the melted part of the pig iron material at the upper side of the wrought iron, slid left and right, and poured drop by drop on the blade.

The temperature in the furnace is extremely high, and the length of the iron and tongs is limited after all, so Gu Xiaoyi is simply putting himself in front of the furnace to bake ......

Between breaths, large beads of sweat on the surface of his body seeped out; another breath, beads of sweat the size of soybeans gathered into a stream, rushing and rushing; after a while, behind him, there was already a river of sweat, and in front of him, there was not a drop of sweat, only the residual heat steamed.

But the beads of sweat came out, and before they could gather, they had been evaporated, and the red fire shone on Gu Xiaoyi's red skin, like iron in the hearth, and even the hair could be seen to be scorched and deformed.

Gu Xiaoyi didn't realize it, his eyes widened, white salt gradually condensed in front of him, sweat was like rain behind him, and he just held the tongs wholeheartedly, and moved the pig iron material left and right, so that the melted "wax juice" could drip evenly and finely onto the wrought iron.

After a while, after the "wax juice" was dripping, Gu Xiaoyi inserted the missing pig iron back into the fire, waited for it to melt and soften again, slowly straightened up and walked, suddenly dizzy, and left a circle of ** sweat stains on the stone slab under his feet.

Lin Tuo hurriedly stepped forward to help: "This is the first time, I'm afraid it will take at least twenty or thirty times, can you hold it?"

Energy is diverging outward, obeying the law of the cube, the distance difference is doubled, the energy density can be eight times worse, and increasing the distance can indeed greatly reduce the difficulty, but ......

When the tongs are long, the force distance becomes longer, and it is difficult to control the shaking of the front end of the iron, and it is difficult to make the "wax" evenly covered.

The reason is very simple, so after only one operation, Gu Xiaoyi was clear, suddenly straightened up, and pushed Lin Tuo away: "Hold on, Brother Tuo, you can rest assured." ”

Walking alone to the quenching tank, wiping his face, thinking about it, he simply plunged into the water tank, and then picked up the water to relieve the heat.

This experience just now was not long, but it was like walking in the sea of fire.

Blacksmithing is a job that deals with iron and fire every day, especially knowing that the formation seems very short, but in fact, how difficult it is, and I can't help but change color.

Lu Zhenyuan's stewardship apprentices saw Gu Xiaoyi's perseverance and patience and never gave up, but Lu Zhenyuan saw much more than them!

Wrought iron is poured with pig iron juice, with a hard shell and a soft core, which is in line with the principle of combining rigidity and softness, and is directly fused at high temperatures, which is seamless, this forging method is unprecedented!

Although it was the first time it appeared, based on experience alone, Lu Zhenyuan also realized the cleverness of this method!

According to the historical records in another world, it is indeed the case, this forging method is a kind of extreme steel filling method, also known as the Sugang method, which was created by craftsmen in the middle of the Ming Dynasty and spread to all directions.

If you talk about the texture of the final product, it may not be better than the popular refining method for thousands of years, and it is really difficult to compare the craftsmanship of different eras.

The Sugang method replaces the steel filling method, and the steel filling method replaces the block steel refining method, in fact, it is not that the sword made is really far better, the biggest reason is actually ...... Efficiency!

The 100-refining method may not be able to produce a finished product over the years, and the steel filling method has greatly shortened this time, and the Suzhou steel method has been further shortened.

In three days, Su Gangfa can exert eight points of strength, and the hundred refining method can play two achievements, which is the reason why Lin Tuo has won and not lost......

This book was first published from 17k, the first time to see the genuine content!

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