地址：濟(jì)南市高新區(qū)漢峪金谷A5-2棟
電話：15066665432
傳真：0531-88984022
聯(lián)系人：殷經(jīng)理
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網(wǎng)址：m.jdsdmh.cn
鐵是銀白色的金屬。原子序數(shù)26，相對(duì)原子質(zhì)量55.8，熔點(diǎn)1535℃，沸點(diǎn)3000℃，化合價(jià)為+2，+3，相對(duì)密度7．9，濟(jì)鋼一級(jí)代理有很好的延展性。純鐵磁化和退磁都很快。真正的純鐵在空氣中不起變化，普通的鐵都含有一定的雜質(zhì)，在潮濕空氣中很快生銹，而且鐵銹是疏松的，對(duì)底層基材無保護(hù)作用，會(huì)逐漸銹蝕。鐵溶于大多數(shù)無機(jī)酸中，只有濃硫酸是例外。
Iron is a silvery white metal. Atomic number 26, relative atomic mass 55.8, the melting point of 1535 DEG C, the boiling point of 3000 DEG C, valence +2, +3, relative density 7.9, Jinan level agents have good ductility. The magnetization and demagnetization of pure iron are very fast. Pure iron does not change in the air, ordinary iron contains a certain amount of impurities, rust quickly in humid air, and rust is loose, there is no protective effect on the base material, will gradually rust. Iron is dissolved in most inorganic acids, only concentrated sulfuric acid is an exception.
濟(jì)鋼一級(jí)代理因鐵易銹蝕，不可能用作電鍍表面層。所以鍍鐵一般應(yīng)用在修復(fù)尺寸或?yàn)闇p低鍍硬鉻層厚度而作底層(鐵的電沉積比鉻快得多)。鐵是人類社會(huì)生活中不可缺少的金屬。含碳1.7％以上的稱生鐵，含碳0.2％以下的稱熟鐵，含碳0.2％～l.7％的稱為鋼。
The first grade agent of Jinan Iron and Steel Co., Ltd. can not be used as electroplating surface layer because iron is easy to rust. Therefore, iron plating is generally used to repair size or to reduce the thickness of hard chromium plating as the bottom layer (iron electrodeposition is much faster than chromium). Iron is an indispensable metal in human social life. Carbon containing more than 1.7% of the iron carbon containing less than 0.2% of the known wrought iron, carbon 0.2% ~ l.7% called steel.
鋼鐵是工業(yè)的重要支柱。在輕工業(yè)、重工業(yè)以及日用品上都得到大規(guī)模的應(yīng)用。根據(jù)各種不同需要，有幾千種牌號(hào)的合金鋼，能做到耐高溫、耐高壓、耐腐蝕和特硬等，如鎢鋼、錳鋼、工具鋼和不銹鋼等。
Iron and steel is an important pillar of industry. It has been widely used in light industry, heavy industry and daily necessities. According to the various needs, there are thousands of kinds of alloy steel, can achieve high temperature and pressure resistant, corrosion and hard, such as tungsten steel, manganese steel, tool steel and stainless steel etc..
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