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角钢的表面质量在标准中有规定，一般要求不得存在使用上有害的缺陷，如分层、结疤、裂缝等。 角钢几何形状偏差的允许范围在标准中也有规定，一般包括弯曲度、边宽、边厚、顶角、理论重量等项， 并规定角钢不得有显著的扭转。角钢的交货长度分为定尺、倍尺两种， 我国生产出的角钢定尺选择范围根据规格号的不同有3—9m、4—12m、4—19m、6—19m四个范围； 佛山万庆角钢现货长度为：6米，9米，12米三种。日本产角钢生产厂家的长度选择范围为6—15m； 不等边角钢的截面高度按不等边角钢的长边宽来计算；指断面为角形且两边长不相等的钢材，它也是角钢中的一种。 其边长由25mm×16mm～200mm×l25mm。由热轧轧机轧制而成，一般的不等边角钢厂家出的规格为； ∠50*32--∠200*125 厚度为4-20mm ，不等边角钢广泛应用于各种金属结构、机械制造、桥梁与造船业、 各种建筑结构和工程结构，如房梁、输电塔、桥梁、起重运输机械、工业炉、船舶、反应塔、容器架等。 The surface quality of corner steel is specified in the standard, and generally requires no harmful defects, such as stratification, scar, cracks, etc.The allowable range of geometry deviation of angle steel is also stipulated in the standard, generally including bending degree, edge width, edge thickness, top angle, theoretical weight, etc., and stipulates that angle steel shall not have significant torsion. The delivery length of corner steel is divided into two kinds: fixed ruler and double tape. The selection range of angle steel produced in China is 3-9m, 4-12m, 4-19m and 6-19m. The spot length of Foshan Wanqing corner steel is 6 m, 9 m and 12 m. The length selection range of Japanese angle steel manufacturer is 6-15m; the section height of unequal corner steel is calculated according to the long edge width of unequal corner steel; the steel whose section is angular and unequal, it is also one of corner steel.Its edge length is from 25mm 16mm~200mm l25mm. Made of hot rolling mill, general unequal corner steel manufacturers specifications; 50 * 32-200 * 125 thickness of 4-20mm, unequal corner steel is widely used in various metal structures, mechanical manufacturing, bridge and shipbuilding industry, various construction structures and engineering structures, such as building beams, transmission tower, bridge, lifting and transportation machinery, industrial furnace, ship, reaction tower, container frame, etc.
建筑用等边热镀锌角钢
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马钢镀锌角钢Q235B
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