1、GB24511-20095尺寸、外形、重量及允许偏差5.1尺寸及允许偏差5.1.1钢板和钢带的公称尺寸范围见表1，其具体规格执行GB/T708、GB/T709。表1公称尺寸范围单位为毫米产品类别代号公称厚度公称宽度热轧厚钢板P6.01006004800热轧钢板及钢带H2.0-14.06002100冷轧钢板及钢带C1.58.060021005.1.2厚度允许偏差5.1.2.1热轧厚钢板厚度允许偏差应符合表2规定。表2热轧厚钢板厚度允许偏差”单位为毫米公称宽度10001000150015002500公称厚度普通较高普通较高普通较高2500精度精度精度精度精度精度厚度负偏差为-0.305.08.00
2、.380.350.400.360.500.450.808.015.00.450.420.480.440.600.5515.0-25.00.500.450.530.480.650.601.0025.040.00.650.600.700.650.850.8040.060.00.900.850.950.901.101.051.5060.0-80.00.900.850.950.901.401.3580100的厚度允许偏差由供需双方协商。5.1.2.2热轧钢板及钢带厚度允许偏差应符合表3的规定。表3热轧钢板及钢带厚度允许偏差单位为毫米公称宽度公称厚度120012001500150018001800210
3、0普通精度较高精度普通精度较高精度普通精度较高精度普通精度较高精度+0.22+0.20+0.25+0.23+0.29+0.272.02.5-0.22-0.20-0.25-0.23-0.29-0.27+0.25+0.23+0.28+0.26+0.31+0.28+0.33+0.312.53.0-0.25-0.23-0.28-0.26-0.30-0.28-0.30-0.30+0.28+0.26+0.31+0.28+0.33+0.31+0.35+0.323.04.0-0.28-0.26-0.30-0.28-0.30-0.30-0.30-0.30+0.31+0.28+0.33+0.30+0.36+0.33+0.38+0.354.0-5.0-0.30-0.28-0.30-0.30-0.30-0.30-0.30-0.30
