What are the characteristics of grass steel swords collected as orphans?

Cao Gangjian has amazing toughness and unique armor-piercing power. Friends who are interested in swords will definitely be interested in the first brand of casting swords in China? Longquan sword? Know something. Longquan Sword is not only a cultural treasure of China, but also a master of China's traditional smelting technology. It was held in CCTV that year. Longquan sword exploration tour? The broadcast of this program triggered a national hot discussion at that time. Longquan sword? In many people's minds, it has become? Wushu? Yes, synonyms.

Speaking of Longquan sword, you have to talk about it? Grass steel? Forging technology. So-called? Grass steel? This statement is not completely accurate, because local residents will put? Fried steel? Call cheng? Grass steel? The latter is famous for this. ? Blasting steel? It is a unique forging method in ancient China and the highest level smelting technology of Longquan Sword. This process is quite complicated. First, Longquan sand, the best local material in Longquan, is adopted. After Longquan sand is smelted in the furnace, impurities are removed, pig iron is refined and then forged. Then choose parts according to the decarburization degree of the material, and forge a sword with good quality.

Use? Blasting steel? Forged swords have great advantages in toughness. No matter whether it is domestic sword or foreign famous sword brand products, it is difficult to compete with Longquan sword forged by this technology. It is said that the local residents of Longquan once collided with a Japanese knife with this sword and cut a gap in the latter on the spot. Visible, to? Sharp? The famous Japanese sword is also vulnerable to Longquan sword. In a CCTV program, the host hacked the Western Middle Ages with Longquan sword? Balance? Successfully broke through the defense of the latter. From this point of view, Longquan sword is indeed a rare magic weapon.

To sum up, Cao Gangjian is famous for its incomparable armor-piercing ability? Magic weapon? .