常用相关国家不锈钢宽度公差标准比较.doc

常用相关国家不锈钢宽度公差标准比较钢带宽度的允许偏差1、 中国国家标准（GB4239-91）1）宽度普通精度（P）允许偏差 单位：mm边部宽度250400400600600100010001250切边+4.0，0+5，0+5，0+5，0不切边+7，-3+20，0+25，0+30，02）切边钢带宽度高级精度（K）允许偏差 单位：mm边部宽度25040040060060010000.050.500.250.300.500.501.000.250.300.501.001.500.300.400.601.502.500.350.500.702.504.000.400.500.802、日本工业标准（JIS G4305-1998）1）通常标准单位：mm边 缘宽 度6301000100015241524热轧边缘+25，0+30，0+30，0切 边+5，0+5，0+10，02）特殊订货可以参考的标准 单位：mm厚 度宽 度25040040063063010000.600.250.300.500.601.000.250.300.501.001.600.300.400.601.602.500.350.500.702.504.000.400.500.803、美国材料协会标准（A480/A480M-03）单位：mm 厚度宽度2506006001000100021001.00+0.7，0+1.5，0+2.0，01.50+1.0，0+1.5，0+2.0，02.50+1.2，0+2.0，0+2.5，03.50+1.5，0+3.0，0+3.0，08.00+2.0，0+4.0，0+4.0，0厚度的允许偏差 1、 中国国家标准(GB) 单位：mm宽度厚度厚度允许偏差较高精度（A）一般精度（B）60010001000125060012500.050.10-0.100.15-0.150.25-0.250.450.0400.0400.0400.450.650.0400.0400.0500.650.900.0500.0500.0600.901.200.0500.0600.0801.201.500.0600.0700.1101.501.800.0700.0800.1201.802.000.0900.1000.1302.002.300.1000.1100.1402.302.500.1000.1100.1402.503.100.1100.1200.1603.104.000.1200.1300.1802、日本工业标准 厚 度宽 度1250125016000.300.600.050.060.600.800.070.090.801.000.090.101.001.250.100.121.251.600.120.151.602.000.150.172.002.500.170.202.503.150.220.253.154.000.250.304.005.000.350.405.006.000.400.456.007.000.500.503、美国材料协会标准（ASTM）标准 厚 度允许偏差宽 度上下1000100013000.100.030.030.150.040.040.200.050.050.250.050.050.300.03-0.400.040.040.500.080.080.500.0450.050.600.050.050.750.100.100.800.050.051.000.130.131.000.0550.061.200.080.081.250.130.131.500.080.081.750.150.152.000.180.182.000.100.102.250.200.202.500.230.232.500.100.112.750.250.253.000.250.253.000.130.133.250.300.303.500.300.3