Shuang Daqin comparison, no comparison, no harm

Chapter 43 The First Iron Sword Comes Out, Angrily Slashing The Bronze Sword!

Zhao Ze still understands this basic knowledge of physics.

Warring States period.

Because iron smelting technology is very backward.

In addition, the main fuel is firewood, which has low heat.

Therefore, the refined iron has a high carbon content.

Among the steel.

The higher the carbon content, the more brittle, and the lower the carbon content, the harder and more ductile.

Warring States iron.

The carbon content is basically 4-6%

Therefore, it is easy to break.

This is why most of the cultural relics of the Warring States Period unearthed in later generations are bronze ware, and iron ware is rare.

but.

The latest task given by the system to Zhao Ze.

It is to solve the current crisis of King Qin.

solution.

Zhao Ze has also been drawn up.

It is nothing more than mining coal as fuel for ironmaking, and then refining pure iron to cast armaments.

so.

Zhao Ze walked on the main hall.

The small figure looked a little cute among a group of strong men.

"I have a method of making iron."

"The refined iron is harder than a bronze sword, but not brittle."

As soon as the words came out.

Immediately, the courtiers looked at each other in blank dismay, wondering if Zhao Ze had made another invention?

after all.

The talent that Zhao Ze showed since he was a child.

Always amazed this group of ministers.

Even Ying Zheng got up and asked, "Ze'er, what is the method of making iron?"

"Steel pouring method."

Zhao Ze began to explain to the ministers how this method works.

first.

As a big coal country, Qin State doesn't know the magical effect of coal.

so.

Qin's first step was to send laborers to mine coal mines.

Then collect iron ore.

First use coal to smelt part of the molten iron.

After waiting for the molten iron to solidify, it is forged several times to remove impurities in the iron.

These have been cleaned of impurities and contain only 0.02% iron with a carbon content.

Known as wrought iron.

after.

Re-smelting molten iron, which is unforged and has a carbon content of 2%.

called pig iron.

Pour cast iron over wrought iron.

Then it goes through a lot of tempering to remove impurities.

A high carbon steel with a carbon content of 0.5-0.8% can be obtained.

The steel obtained in this way is hard and tough. Except that it is easy to rust and requires maintenance, its properties are almost as good as bronze ware.

After Zhao Ze's easy-to-understand explanation.

People in the two worlds have a half-knowledge.

principle?

They don't care.

Anyway, I heard that the iron forged in this way is very easy to use!

For Zhao Ze, the monarchs and ministers naturally trust him.

Everyone understands.

Zhao Ze is a treasure bestowed by God to Qin State, and his appearance is to benefit the people of Qin State.

Now that Zhao Ze has given a plan.

Then everyone must try it.

after all.

If this method is really feasible.

You can switch to cheaper and cheaper iron.

At that time.

There is no need to hurt the people of Qin.

"Leece!"

"Zhao Ze's iron filling method is up to you!"

Ying Zheng said excitedly.

"Sir! Thank you, Your Majesty!"

Li Si's heart beat faster.

He is full of expectations for the steel in Zhao Ze's mouth!

soon.

Li Si ordered.

Across the country, coal and iron mines are mined.

then.

Steel filling stoves have been set up everywhere.

Following Zhao Ze's method, mass production of high carbon steel began.

in a few days.

The first steel sword came out!

Immediately, it was sent to the Qin Palace in Xianyang.

On the main hall.

The courtiers showed great interest in this steel sword.

"Wang Jian!"

"Li Xin!"

Ying Zheng named two names.

"The veteran is here!"

"The end is here!"

Wang Jian and Li Xinqi stepped forward, cupped their fists and said.

Pointing to the steel sword in Li Si's hand, Ying Zheng was eager to try it: "Li Xin, you take the steel sword, and Wang Jian takes the iron sword. You two have a competition."

"Here!"

Li Xin stepped forward and held the steel sword.

Wang Jian, who had white hair and beard, pulled out his bronze sword and smiled.

"I want to see if the steel sword that the eldest son said is really so powerful!"

Li Xin also smiled humbly.

"Hubenhou, please be merciful."

"kill!"

Who knows.

Wang Jian suddenly jumped up and charged at Li Xin with his sword.

Li Xin's expression changed drastically.

Holding an iron sword in hand to block.

Ding! clang! Ding!

After several sword clashes in a row.

Wang Jian jumped two meters high, stunned Zhao Ze beside him.

No wonder!

Wang Jian was named Huben Marquis!

This jumping ability is far superior to that of ordinary people, and it looks like a tiger!

"cut!"

Wang Jian growled.

The bronze sword in his hand fell like a meteor, hitting Li Xin's face.

Li Xindun felt a sense of Alexander.

Hastily raised the sword horizontally, took advantage of the situation and took two steps back to counteract the impact.

Ding!

The two swords collided.

Makes a crisper impact sound.

Click!

next moment.

The bronze sword in Wang Jian's hand broke in front of everyone.

Wang Jian, who still wanted to continue attacking, was stunned for a moment, and had no choice but to withdraw his offensive.

"broken?!"

In Wang Jian's impression.

The broken sword should be an iron sword!

Li Xin stabilized his figure, and quickly checked the iron sword in his hand, only to see that there were many small sawtooths left on it after collision, but it did not affect the use.

Li Si picked up the dagger.

Take a look.

Shocked: "My lord, the bronze sword is about to collapse!"

Send it to Ying Zheng.

Ying Zheng's face was also shocked.

because.

There were half a centimeter deep cracks left on both edges of the bronze sword, six or seven of them!

On the other hand, with the iron sword, there are only small gaps that are barely visible on the blade.

Who is strong and who is weak.

Needless to say.

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