王经理
固话：钢板和钢带的厚度允许偏差
公称厚度(mm)厚度公差(mm)切片后宽度方向厚度偏差(mm)切片后轧制方向厚度偏差(mm)>1.5-2.6±0.100.050.05>2.6-3.0±0.120.050.05>3.0-4.0-0.17+0.120.050.05
1.3 钢板的不平度不得大于12mm。不平度测量单位长度为1000mm.1.4 钢板和钢带的镰刀弯每2米不得大于4mm。1.5 钢板和钢带的宽度公差应符合下表的规定。
宽度允许偏差(mm)厚度范围(mm)>2.0-2.8>2.8-3.5切边0+30+5不切边+20(目标值+10)
1.6 钢卷头尾溢出边应不大于40mm,中部溢出边、塔形高度应不大于30mm.1.7 每卷钢卷重量应为5-25吨。详细标准数据对照表表4.1热轧钢带的尺寸规格
钢带公称厚度/mm1.2,1.4,1.5,1.8,2.0,2.5,2.8,3.0,3.2,3.5,3.8,4.0,4.5,5.0,5.5,6.0,6.5,7.0 ,8.0,10.0,11.0,13.0,14.0,15.0,16.0,18.0,19.0,20.0,22.0.25.0钢带公称宽度/mm600,650,700,800,850,900,1000,1050,1100,1150,1200,1250,1300,1350,1400,1450,1500,1550,1600,1700,1800,1900
表4.2热轧钢板的理论质量
厚度/mm理论质量/(kg/m²)厚度/mm理论质量/(kg/m²)厚度/mm理论质量/(kg/m²)0.352.748647.1048376.800.503.925754.9550392.500.554.318862.8052408.200.604.710970.6555431.750.655.1031078.5060471.000.705.4951186.3565510.250.755.8881294.2070549.500.806.28013102.0575588.750.907.06514109.9080628.001.07.85015117.7585667.251.29.42016125.6090706.501.310.20517133.4595745.751.410.99018141.30100785.oo1.511.77519149.15105824.251.612.56020157.00110863.501.814.13021164.85120942.002.015.70022172.70125981.252.217.27025196.251301020.502.519.62526204.101401099.002.821.98028219.801501177.503.023.55030235.501601256.003.225.12032251.201651295.253.527.47534266.901701334.503.829.83036282.601801413.003.930.61538298.801851452.254.031.40040314.001901491.504.535.32542329.701951530.75539.2545353.252001570.00
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