Chapter 340: CH 338

Chapter 338: Can I come here to eat furtively every day?
The old blacksmith was confused. In fact, after hearing what Robb had said, he still didn't understand it.
In his mind, the element of carbon was generally regarded as something like "water element", "fire element", "wind element" and "earth element". This kind of understanding was wrong, but it was barely enough.
Robb smiled and said, "I know you don't understand, but you will understand after I tell you the key point next. Let me draw a conclusion first. When the carbon element infiltrates into the iron, it can make the iron hard. You already know this."
The old blacksmith nodded.
Robb said, "but have you ever thought about the question of the ratio between the carbon and the iron?"
The old blacksmith shook his head.
Robb said, "I've come to a conclusion directly. Iron with more carbon element is hard, but at the same time it will become brittle and easy to break. As for iron with less carbon element, it will be soft and not easy to break. It's good for twisting and deforming, but it's not good for attacking hard."

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Speaking of this, the old blacksmith suddenly understood. "You mean that we should find a balance between them. As long as we find the best proportion of the carbon and iron, we can make it hard, easy to cast, but not easy to break."
"Bingo!" Robb said with a smile, "it's pleasant to talk to someone who knows technology."
"Really?" Robb smiled and asked, "then how do you plan to mix the carbon element in the iron?"
The old blacksmith said, "I certainly can't rub it with my hand, but I can put the iron in charcoal or coal for a long time. Anyway, I will test it and find the best amount of time it needs, then the best quality of iron can be made.”
Robb gave a thumbs up and said, "it's a good plan, but it's still too stupid."
The queen couldn't help but ask, "do you have any other good idea?"
Robb smiled and said, "alchemy! You take molten iron and charcoal as two kinds of alchemy materials and give them to the alchemists to understand and ponder, so as to find the best match. Relatively speaking, when the alchemists look for the combination of the two elements, they should be better than a blacksmith."
The Queen's eyes lit up, but she immediately said, "letting noble alchemists study low-grade things like iron and charcoal. I'm afraid they won't accept it."

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