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If iron ores are heated with carbon to 1420–1470 K, a molten liquid is formed, an alloy of about 96.5% iron and 3.5% carbon. This product is strong, can be cast into intricate shapes, but is too brittle to be worked, unless the product is decarburized to remove most of the carbon. The vast majority of Chinese iron manufacture, from the late ...
The Iron Lion of Cangzhou (Chinese: 铁 狮子; pinyin: Tiě Shīzi), also known as the "Sea Guard Howler", is a cast iron sculpture located in Cangzhou City, in Hebei Province, China, about 180 km (110 mi) southwest of Beijing. Cast in the Later Zhou dynasty in 953, the iron lion is the largest known and oldest surviving iron-cast artwork in ...
Cast iron is made from pig iron, which is the product of melting iron ore in a blast furnace. Cast iron can be made directly from the molten pig iron or by re-melting pig iron, [4] often along with substantial quantities of iron, steel, limestone, carbon (coke) and taking various steps to remove undesirable contaminants.
These iron cash coins have the character Min (Chinese: 閩; pinyin: mǐn) on the reverse and comes from the Fujian region. There is a crescent below. One of these large Yonglong Tongbao coins was worth 10 small coins and 100 lead coins. A string of 500 of these poorly made Min iron coins were popularly called a kao ("a manacle"). 942: Wang Yanxi
The thunder crash bomb (Chinese: 震天雷; pinyin: zhèntiānléi), also known as the heaven-shaking-thunder bomb, was one of the first bombs or hand grenades in the history of gunpowder warfare. It was developed in the 12th-13th century Song and Jin dynasties. Its shell was made of cast iron and filled with gunpowder.
By the 1st century BC, Chinese metallurgists had found that wrought iron and cast iron could be melted together to yield an alloy of intermediate carbon content, that is, steel. [11] [12] [13] According to legend, the sword of Liu Bang, the first Han emperor, was made in this fashion. Some texts of the era mention "harmonizing the hard and the ...
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