1、GB6149-85续表2线径，mm截面积每米电阻值每米标称质量标你值允差mm2标称值，Q/m允差，%g/m0.630.31171.572.4940.710.39591.243.1670.75+0.01-0.020.44181.113.5340.800.50270.97574.0210.850.56740.8644.5400.900.63620.7705.0890.950.70880.6915.6711.000.78540.6246.2831.060.88250.5557.0601.120.98520.4977.8820.021.181.0930.4488.7491.251.2270.3999.
2、8171.321.3680.35810.951.401.5390.318612.321.501.7670.27714.141.602.0110.24416.08-1.702.2700.21618.161.802.545019320.361.90+0.0222.68-0.032.8350.1732.003.1420.15625.132.123.5300.13928.2452.240.033.9410.12431.53GB6149-85续表2线径，mm截面积每米电阻值每米标称质量标称值允差mm2标称值，？/m允差，%gYm2.364.3740.11234.992.504.9090.099839.2
3、70.032.655.5150.088844.122.806.1580.079649.263.007.0690.069356.553.157.7930.062962.3453.358.8140.055670.513.559.8980.049579.18+0.03-0.043.7511.040.044488.364.0012.570.0390100.54.2514.180.0346113.54.5015.900.0308127.24.7517.720.0276141.85.0019.630.0250157.15.300.0422.060.0222176.55.6024.630.0199197.26.0026.270.01864226.26.3031.170.0157249.46.7035.260.0139282.17.100.0539.590.0124316.77.5044.180.0111353.18.0050.270.00975402.1注：心计算每米标称电阻时，电阻书取0.492mm/m。计算每米标称质量时，密度取8g/cm3。3
