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槽钢分普通槽钢和轻型槽钢。热轧普通槽钢的规格为5-40#，经供需双方协议供应的热轧变通槽钢规格为6.5-30#。 槽钢主要用于建筑结构、车辆制造、其它工业结构和固定盘柜等，槽钢还常常和工字钢配合使用。 槽钢的进出口定货一般是在确定相应的碳结钢（或低合金钢）钢号后，以使用中所要求的规格为主。 除了规格号以外，槽钢没有特定的成分和性能系列。槽钢剪刃设计的基本依据是槽钢成品孔型形状， 这种设计在剪切过程中易出现以下问题：一是槽钢两肩部与其他部分相比，相对较厚，所需剪切力也较大，剪刃磨损较快， 剪刃使用一段时间后。这一部分相对磨损量大，致使肩部间隙较大，易出现塌肩现象；二是槽钢两腿与腰部处相比， 由于剪切角度的影响，当剪刃磨损后，在剪切两腿时，剪切量变小，腿部剪切由通常的剪断变成了撕断，槽钢腿端面极易出现毛刺； 三是上、下剪刃腿部斜度与槽钢成品孔型基本一致。 The trough steel is divided into ordinary trough steel and light trough steel.The specifications of hot-rolled ordinary tank steel is 5-40 #, and the specifications of hot-rolled flexible tank steel supplied by both supply and demand is 6.5-30 #.Channel steel is mainly used for building structure, vehicle manufacturing, other industrial structure and fixed plate cabinets, etc., slot steel is often used with I-word steel. The import and export ordering of slot steel is generally after determining the corresponding carbon junction steel (or low alloy steel) steel number, mainly with the specifications required in use.Ssteel has no specific component and performance series except specification No. The basic basis of the cutting blade design of groove steel is the shape of the finished groove steel, which is prone to the following problems in the cutting process: First, the two shoulders of groove steel are relatively thick, the required shear force is large, the blade wear is fast, and the blade is used for a period of time.This relative wear, large shoulder gap, prone to shoulder collapse; second, the slot steel legs and the waist, due to the cutting angle, when the shear blade is worn, the shear amount of the two legs is small, the leg shear from the usual shear to tear, it is easy to appear at the end of the groove leg; third, the upper and lower shear blade leg slope is basically the same as the slot steel hole type.
低合金槽钢Q355B
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热镀锌U型槽钢
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