供应广西型材槽钢条钢结构承重支柱槽钢焊接镀锌U型槽钢12#
按照钢的冶炼质量不同，型钢分为普通型钢和优质型钢。普通型钢按现行金属产品目录又分为大型型钢、中型型钢、小型型钢。普通型钢按其断面形状又可分为工字钢、槽钢、角钢、圆钢等。工字钢、槽钢、角钢广泛应用于工业建筑和金属结构，如厂房、桥梁船舶、农机车辆制造、输电铁塔,运输机械,往往配合使用。扁钢在建筑工地中用作桥梁、房架、栅栏、输电船舶、车辆等。圆钢、方钢用作各种机械零件、农机配件、工具等。热镀锌槽钢有什么优点？热镀锌槽钢有以下七个特点：
1、具有铁—锌合金层，结合致密，在海洋性盐雾大气及工业性大气中表现特有耐腐蚀性；
2、由于结合牢固，锌—铁互溶，具有较强的耐磨性；
3、具有较厚的致密的纯锌层覆盖在钢铁表面上，它可以避免钢铁基体与任何的腐蚀溶液的接触，保护钢基体免受腐蚀。在一般大气中，锌层表面形成一层很薄而密实的氧化锌层表面，它很难溶于水，故对钢基体起着一定保护作用；如果氧化锌与大气中其它成分生成不溶性锌盐后，则耐蚀作用更理想；
4、钢结构件热镀锌后，相当于一次退火处理，能有效改善钢基体的机械性能，消除钢件成型焊接时的应力，有利于对钢结构件进行车削加工；
5、由于锌具有良好的延展性，其合金层与钢基附着牢固，因此热镀件可进行冷冲、轧制、拉丝、弯曲等各种成型而不损坏镀层；
6、纯锌层是热镀锌中最富有塑性的一层镀锌层，其性质基本接近于纯锌，具有延展性，所以它富于挠性；
7、热镀锌后的件表面光亮美观。According to the different smelting quality of steel, the type steel is divided into ordinary type steel and high-quality type steel.Ordinary steel is divided into the current metal product catalogue and large steel, medium steel, small steel.Ordinary type steel can be divided into I-word steel, groove steel, corner steel, round steel according to its section shape.I-word steel, channel steel, Angle steel is widely used in industrial buildings and metal structures, such as factories, bridge ships, agricultural machinery and vehicle manufacturing, transmission tower, transportation machinery, often used in cooperation.Flat steel is used as a bridge in construction sites, house frame, fences, power transmission ships, vehicles, etc.Round steel, square steel is used as various machinery parts, agricultural machinery accessories, tools, etc.What are the advantages of hot-dip galvanized tank steel?Hot dip galvanized tank steel has the following seven characteristics: 1, with iron-zinc alloy layer, combined with dense, in the Marine salt fog atmosphere and industrial atmosphere performance unique corrosion resistance; 2, because of firm binding, zinc-iron mutual dissolution, with strong wear resistance; 3, with thick dense pure zinc layer covered on the steel surface, it can avoid steel matrix and any corrosion solution contact, protect the steel matrix from corrosion.In the general atmosphere, The surface of the zinc layer forms a very thin and dense zinc oxide layer surface, It is hardly very soluble in water, Therefore, the steel matrix plays a certain protective role; If zinc oxide forms insoluble zinc salts with other components in the atmosphere, The corrosion resistance is more ideal; 4, steel structure after hot galvanizing, Equivalent to a one-time annealing treatment, Can effectively improve the mechanical properties of the steel matrix, Eliminate the stress of steel piece forming and welding, It is beneficial to machining the steel structure; 5. Because zinc has good ductility, Its alloy layer is firmly attached to the steel base, Therefore, hot plating parts can be cold flushing, rolling, drawing, bending and other molding without damaging the coating; 6, pure zinc layer is the most plastic galvanizing layer in hot plating galvanizing, Its properties are basically close to that of pure zinc, Exducable, So it is rich in flexible; 7, hot dip galvanized surface bright and beautiful.
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