钢结构材料尺寸允许偏差

尺寸允许偏差热轧钢板和钢带尺寸的允许偏差(GB/T709-1988)钢板厚度的允许偏差(a) mm公称厚度允许以下宽度的厚度有偏差(钢板和钢带)600750750100010001500高轧制精度一般滚动精确度高轧制精度一般滚动精确度高轧制精度一般滚动精确度0.350.500.050.070.050.07-0.500.600.060.080.060.08-0.600.750.070.090.070.09-0.750.900.080.100.080.10-0.901.100.090.110.090.12-1.101.200.100.120.110.130.110.151.201.300.110.130.120.140.120.151.301.400.110.140.120.150.120.181.401.600.120.150.130.150.130.181.601.800.130.150.140.170.140.181.802.000.140.160.150.170.160.182.002.200.150.170.160.180.170.192.202.500.160.180.170.190.180.202.503.000.170.190.180.200.190.213.003.500.180.200.190.210.200.223.504.000.210.230.220.260.240.284.005.50-0.2-0.2-0.15-0.1-0.3-0.25.507.50-0.3-0.3-0.4-0.4-0.4-0.357.5010.00-0.6-0.6-0.6-0.6-0.5-0.510.0013.00-0.6-0.6-0.6-0.6-0.5-0.5钢板的厚度允许偏差(2) mm公称厚度(钢板和钢带)负偏差下一宽度的厚度允许正偏差100012001500170018002000230025002600280030003200340036001200150017001800200023002500260028003000320034003600380013250.820.20.30.40.60.80.811.11.2-25300.90.220.30.040.60.80.911.11.2-303410.20.30.30.40.60.80.911.21.3-34401.10.30.40.50.60.70.911.11.31.4-40501.20.40.50.60.70.811.11.21.41.5-50601.30.60.70.80.911.11.11.11.31.5-60801.8-11111.1121.31.31.31.31.41.4801002-1.21.21.21.21.31.31.31.41.41.41.41.41001502.2-1.31.31.31.41.51.51.61.61.61.61.61.61502002.6-1.51.51.51.61.71.71.71.81.81.81.81.8钢板厚度的允许偏差(3) mm公称厚度(钢板和钢带)允许以下宽度的厚度有偏差15002000200023002300270027003000比较高通常比较高通常比较高通常比较高通常滚动滚动滚动滚动滚动滚动滚动滚动准确度准确度准确度准确度准确度准确度准确度准确度0.35。0.50-啊-啊-啊-啊-啊-啊-啊-啊0.500.60-啊-啊-啊-啊-啊-啊-啊-啊0.600.75-啊-啊-啊-啊-啊-啊-啊-啊0.750.90-啊-啊-啊-啊-啊-啊-啊-啊0.901.10-啊-啊-啊-啊-啊-啊-啊-啊1.101.20-啊-啊-啊-啊-啊-啊-啊-啊1.201.30-啊-啊-啊-啊-啊-啊-啊-啊1.301.40-啊-啊-啊-啊-啊-啊-啊-啊1.401.60-啊-啊-啊-啊-啊-啊-啊-啊1.601.80-啊-啊-啊-啊-啊-啊-啊-啊1.802.000.170.20-啊-啊-啊-啊-啊-啊2.002.200.180.20-啊-啊-啊-啊-啊-啊2.202.500.190.21-啊-啊-啊-啊-啊-啊2.503.000.200.220.230.25-啊-啊-啊-啊3.003.500.220.240.260.29-啊-啊-啊-啊3.504.000.260.280.300.33-啊-啊-啊-啊4.005.500.20 -0.400.40 -0.500.25 -0.400.45 -0.50-啊-啊-啊-啊5.507.500.20 -0.500.40 -0.600.25 -0.600.45 -0.60-啊-啊-啊-啊7.5010.000.20 -0.700.35 -0.800.25 -0.700.45 -0.80-啊0.60 -0.80-啊-啊10.0013.000.30 -0.700.40 -0.800.35 -0.700.50 -0.80-啊0.70 -0.80-啊1.00 -0.80倒角板的宽度允许mm偏差公称厚度宽度宽度允许偏差4 800680010416 1500101500151660所有宽度3060所有宽度35修剪条带的宽度不能超过以下规则：条带宽度6001000米.5毫米1000米.10毫米未修剪条带的宽度不能超过以下规则：条带宽度 1000m.20毫米1000米.30毫米纵向剪切带宽度允许偏差mm公称厚度允许偏差厚度4.04.06.06.08.08.0 1600.50.81.01.21602500.51.01.21.42506001.01.01.21.4钢板的长度允许mm偏差公称厚度钢板的长度长度允许偏差4 15001015001541620001020006000256000301660200015200060003060004060所有长度50注：使用剪切后的平底热轧钢板，其长度偏差可能增加20mm。冷轧薄板和带钢尺寸的允许偏差(GB/T708-1988)钢板和钢带的宽度允许偏差mm公称宽度宽度允许偏差10006100010不修剪垂直栏的条带15钢板和钢带的宽度允许偏差mm公称宽度厚度允许的偏差a级精度b级精度公称厚度 150015002000 1500150020000.200.500.04-0.05-0.500.650.05-0.06-0.650.900.06-0.07-0.901.100.070.090.090.111.101.200.090.100.100.121.201.40.100.120.110.141.41.50.110.130.120.151.51.80.120.140.140.161.82.00.130.150.150.172.02.50.140.170.160.182.53.00.160.190.180.203.03.50.180.200.200.213.54.00.190.210.220.244.05.00.200.220.230.25纵切条带宽度允许偏差mm公称宽度宽度允许偏差公称厚度1251252502504004006000.200.400.30.61.01.50.401.00.50.81.21.51.01.80.71.01.52.01.83.01.01.31.72.0钢板的长度允许mm偏差公称长度长度允许偏差200010200015锅炉板允许偏差(GB/T713-1997)厚度允许偏差mm公称厚度负偏差宽度60075075010001000120012001500150017001700180018002000200023002300250025002600260028002800300030003200320034003400360036003800正偏差67.50.250.450.550.600.600.750.750.750.807.5100.250.750.750.850.850.900.900.901.001.151.151.1510130.250.750.750.850.850.950.951.051.251.251.251.251.5513250.250.750.750.850.951.151.351.351.551.551.7525300.250.850.850.951.051.251.451.551.651.751.8530340.250.951.051.051.151.351.551.