钢结构材料尺寸允许偏差.docx

1、钢结构材料尺寸允许偏差尺寸允许偏差之老阳三干创作时间：二O二一年七月二十九日热轧钢板和钢带尺寸允许偏差(GB/T709-1988)钢板的厚度允许偏差(一) mm公称厚度在下列宽度时的厚度允许偏差(钢板和钢带)600750750100010001500较高轧制精度普通轧制精度较高轧制精度普通轧制精度较高轧制精度普通轧制精度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.

2、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.

3、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(二) mm公称厚度(钢板和钢带)负偏差下列宽度的厚度允许正偏差1000120015001700180020002300250026002800300032003400360012001500170018002000230025002600

4、28003000320034003600380013250.820.20.30.40.60.80.811.11.2-25300.90.220.30.040.60.80.911.11.2-303410.20.30.30.40.60.80.911.21.3-34401.10.30.40.50.60.70.911.11.31.4-40501.20.40.50.60.70.811.11.21.41.5-50601.30.60.70.80.911.11.11.11.31.5-60801.8-11111.1121.31.31.31.31.41.4801002-1.21.21.21.21.31.31.31.

5、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钢板的厚度允许偏差(三)mm公称厚度(钢板和钢带)在下列宽度时的厚度允许偏差15002000200023002300270027003000较高普通较高普通较高普通较高普通轧制轧制轧制轧制轧制轧制轧制轧制精度精度精度精度精度精度精度精度0.35.0.500.500.600.600.750.750.900.901.101.101.201.201.301.301.401.401.601.60

6、1.801.802.000.170.202.002.200.180.202.202.500.190.212.503.000.200.220.230.253.003.500.220.240.260.293.504.000.260.280.300.334.005.50+0.20 -0.40+0.40 -0.50+0.25 -0.40+0.45 -0.505.507.50+0.20 -0.50+0.40 -0.60+0.25 -0.60+0.45 -0.607.5010.00+0.20 -0.70+0.35 -0.80+0.25 -0.70+0.45 -0.80+0.60 -0.8010.0013.

7、00+0.30 -0.70+0.40 -0.80+0.35 -0.70+0.50 -0.80+0.70 -0.80+1.00 -0.80切边钢板的宽度允许偏差mm公称厚度宽度宽度允许偏差4800+6800+104161500+101500+151660所有宽度+3060所有宽度+35 切边钢带的宽度允许偏差不得超出下列规定 钢带宽度 6001000m+5mm 1000m+10mm不切边钢带的宽度允许偏差不得超出下列规定钢带宽度 1000m+20mm 1000m+30mm纵剪钢带的宽度允许偏差mm公称厚度允许偏差厚度4.04.06.06.08.08.01600.50.81.01.21602500

8、.51.01.21.42506001.01.01.21.4钢板的长度允许偏差 mm公称厚度钢板长度长度允许偏差41500+101500+154162000+1020006000+256000+3016602000+1520006000+306000+4060所有长度+50注:剪切后平整的热轧钢板,其长度偏差允许增加20mm.冷轧钢板和钢带尺寸允许偏差(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1000+61000+10不剪纵边的钢带+15钢板和钢带的宽度允许偏差 mm公称宽度厚度允许偏差A级精度B级精度公称厚度1500150020001500150020000

9、.200.500.040.050.500.650.050.060.650.900.060.070.901.100.070.090.090.111.101.200.090.100.100.121.201.40.100.120.110.141.41.50.110.130.120.151.51.80.120.140.140.161.82.00.130.150.150.172.02.50.140.170.160.182.53.00.160.190.180.203.03.50.180.200.200.213.54.00.190.210.220.244.05.00.200.220.230.25纵切钢带分宽

10、度允许偏差 mm公称宽度宽度允许偏差公称厚度1251252502504004000.401.0+0.5+0.8+1.2+1.51.01.8+0.7+1.0+1.5+2.01.83.0+1.0+1.3+1.7+2.0钢板的长度允许偏差mm公称长度长度允许偏差2000+102000+15锅炉用钢板允许偏差(GB/T713-1997)厚度允许偏差 mm公称厚度负偏差宽度600750750100010001200120015001500170017001800180020002000230023002500250026002600280028003000300032003200340034003600

11、36003800正偏差67.50.250.450.550.600.600.750.750.750.807.5100.250.750.750.850.850.900.900.901.001.151.151.1510130.250.750.750.850.850.950.951.051.251.251.251.251.5513250.250.750.750.850.951.151.351.351.551.551.7525300.250.850.850.951.051.251.451.551.651.751.8530340.250.951.051.051.151.351.551.651.751.95

12、2.0534400.251.151.251.351.451.551.751.851.952.152.2540500.251.351.451.551.651.751.952.052.152.352.4550600.251.651.751.851.952.052.152.152.252.352.5560800.252.552.552.552.552.652.752.852.852.852.852.952.95801000.252.952.952.952.953.053.053.053.153.153.153.153.151001500.253.253.253.253.253.453.453.553

13、.553.553.553.553.55计算重量的厚度附加值 mm公称厚度宽度60075075010001000120012001500150017001700180018002000200023002300250025002600260028002800300030003200320034003400360036003800正偏差67.50.100.150.180.180.250.250.250.287.5100.250.250.300.300.330.330.330.380.450.450.4510130.250.250.300.300.350.350.350.400.500.500.500

14、.6513250.250.250.300.350.450.550.550.650.700.7525300.300.300.350.400.500.600.650.700.750.8030340.350.400.400.450.550.650.700.750.850.9034400.450.500.550.600.650.750.800.850.951.0040500.550.600.650.700.750.850.900.951.051.1050600.700.750.800.850.900.950.951.001.051.1560801.151.151.151.151.201.251.301

15、.301.301.301.351.35801001.351.351.351.351.401.401.401.451.451.451.451.451001501.501.501.501.551.601.601.651.651.651.651.651.65注:钢板按理论重量交货时,以钢板的公称厚度加上上表的附加值作为计算重量的理论厚度.压力容器用钢板允许偏差(GB6654-1996）厚度允许偏差 mm公称厚度负偏差宽度6007507501000100012001200150015001700170018001800200020002300230025002500260026002800280030

16、0030003200320034003400360036003800正偏差67.50.250.450.550.600.600.750.750.750.807.5100.250.750.750.850.850.900.900.901.001.151.151.1510130.250.750.750.850.850.950.950.951.051.251.251.251.5513250.250.750.750.850.951.151.351.351.551.651.7525300.250.850.850.951.051.251.451.551.651.751.8530340.250.951.051.

17、051.151.351.551.651.751.952.0534400.251.151.251.351.451.551.751.851.952.152.2540500.251.351.451.551.651.751.952.052.152.352.4550600.251.651.751.851.952.052.152.152.252.352.5560800.252.552.552.552.552.652.752.852.852.852.852.952.95801000.252.952.952.952.953.053.053.053.153.153.153.153.151001200.253.253.253.253.253.453.453.553.553.553.553.553.55计算重量的厚度附加值 mm公称厚度宽度60075075010001000120012001500150017001700180018002000200023002300250025002600260028002800300030003200320034003400360036003800正偏差67.50.100.150