钢铁及铁合金分析误差.pdf

钢铁及铁合金分析结果公差表类别元素钢铁铁合金说明碳含量范围（ %）公差（ %）含量范围（ %）公差（ %）>0.010-0.0250.003 ≤0.15 0.02 >0.025-0.0500.005 >0.15-0.500.03 >0.050-0.1000.010 >0.50-1.000.05 >0.100-0.2500.015 >1.00-2.000.06 >0.250-0.5000.020 >2.00-4.000.08 >0.500-1.0000.025 >4.00-7.000.15 >1.000-1.5000.035 >7.000.20 >1.50-2.000.05 >2.00-3.000.06 >3.00-4.000.07 >4.00-5.000.08 硫≤0.0100.001 ≤0.0500.005 >0.010-0.0200.002 >0.050-0.1000.008 >0.020-0.0500.004 >0.100-0.2000.015 >0.050-0.1000.006 >0.20-0.300.02 >0.100-0.2000.010 >0.30-0.500.03 >0.200-0.5000.015 >0.500.04 硅≤0.0250.003 ≤0.0500.04 >0.025-0.0500.005 >0.50-1.000.05 >0.050-0.1000.008 >1.00-2.500.07 >0.100-0.2500.015 >2.50-5.000.10 >0.250-0.5000.03 >5.00-10.000.20 >0.500-1.0000.04 >10.00-25.000.30 >1.00-2.500.05 >25.00-50.000.40 >2.50-4.000.06 >50.000.60 >4.00 0.07 锰≤0.0500.005 ≤0.200.02 >0.050-0.1000.010 >0.20-0.500.03 >0.100-0.200 0.020 >0.50-1.000.04 >0.200-0.5000.030 >1.00-2.500.05 >0.500-1.0000.035 >2.50-5.000.10 >1.00-2.00 0.04 >5.00-10.000.20 >2.00-5.000.06 >10.00-25.000.30 5.00-10.00 0.10 >25.00-50.000.50 10.00-20.00 0.20 >50.00-75.000.60 20.00 0.25 >75.000.70 磷≤0.010 0.001 ≤0.0500.005 >0.010-0.0300.003 >0.050-0.1000.010 >0.030-0.1000.005 >0.100-0.2000.015 >0.100-0.2000.010 >0.20-0.400.02 >0.200-0.4000.020 >0.400.03 >0.400-1.0000.030 >1.0000.035 铬>0.025-0.0500.006 低碳铬铁0.30 >0.050-0.1000.008 >0.100-0.2500.015 >0.25-0.500.02 >0.50-1.000.03 >1.00-5.000.05 高碳铬铁0.40 >5.00-10.00 0.10 >10.00-14.00 0.15 >14.00-18.00 0.20 >18.00-30.00 0.25 钒>0.010-0.050 0.005 钒铁0.30 >0.050-0.100 0.010 >0.100-0.250 0.015 >0.25-0.50 0.02 >0.50-1.00 0.03 >1.00-2.00 0.04 >2.00-3.00 0.05 铝>0.010-0.030 0.003 ≤0.0500.05 >0.030-0.050 0.005 >0.50-1.00 0.10 >0.050-0.100 0.006 >1.00-2.50 0.15 >0.100-0.250 0.010 >2.50-5.00 0.20 >0.25-0.50 0.02 >5.00-10.00 0.30 >0.50-1.00 0.04 >10.00 0.40 >1.00-2.00 0.05 >2.00-5.00 0.07 硼>0.0005-0.0010 0.0003 ≤5.000.15 >0.0010-0.0050 0.0005 >5.00-10.00 0.20 >0.005-0.010 0.001 >10.00-15.00 0.30 >0.010-0.050 0.005 >15.000-20.00 0.35 >0.050-0.200 0.015 >20.00 0.40 镍≤0.0500.004 ≤50.000.50 >0.050-0.100 0.010 >0.100-0.300 0.015 >50.00 0.60 >0.300-0.500 0.020 >0.500-1.000 0.025 >1.00-2.00 0.04 >2.00-4.00 0.06 >4.00-8.00 0.10 >8.00-15.00 0.15 >15.00-30.00 0.20 钼≤0.0500.005 ≤50.000.20 >0.050-0.100 0.008 >0.10-0.50 0.02 >50.00--60.00 0.30 >0.50-1.00 0.04 >1.00-2.00 0.05 >60.00-75.00 0.40 >2.00-4.00 0.06 >4.00-6.00 0.10 >6.00 0.15 钛≤0.025 0.003 ≤20.000.30 >0.025-0.050 0.005 >0.050-0.100 0.010 >20.00-40.00 0.40 >0.100-0.250 0.015 >0.25-0.50 0.02 >40.00-80.00 0.50 >0.50-1.00 0.03 >1.00-2.00 0.05 >2.00-5.00 0.07 钨0.05-0.10 0.01 钨铁中钨0.30 >0.10-0.50 0.03 >0.50-1.00 0.04 >1.00-3.00 0.06 >3.00-8.00 0.10 >8.00-15.00 0.15 >15.00 0.20 铌≤0.01000.0015 ≤50.000.30 >0.0100-0.025 0.0025 >0.025-0.050 0.004 >50.00-70.00 0.40 >0.050-0.100 0.006 >0.100-0.250 0.015 >70.00 0.50 >0.250-0.500 0.030 >0.500-1.000 0.045 >1.00-3.00 0.06 >3.00 0.07 铜≤0.0250.002 铁合金中钙 >0.050-0.100 0.008 >0.100-0.250 0.015 >20.00-35.00 0.40 >0.250-0.500 0.030 >0.50-1.00 0.04 铁合金中钙 >1.00-3.00 0.06 >3.00 0.08 0.50-1.000 0.05 >0.010-0.025 0.003 ≤25.000.25 >0.025-0.050 0.004 >25.00-50.00 0.40 >0.050-0.100 0.010 >50.00-90.00 0.50 >0.100-0.200 0.015 >90.00 0.60 类型元素钢铁类型元素钢铁钴含量范围（ %）公差（ %）砷含量范围（ %）公差（ %）≤0.0100.002 >0.0005-0.00250.0003 >0.010-0.0250.003 >0.0025-0.00500.0005 >0.025-0.0500.005 >0.0050-0.01000.0015 >0.050-0.1000.008 >0.0100-0.02500.0030 >0.10-0.500.02 >0.025-0.0500.006 >0.50-1.000.04 >0.050-0.1000.008 >1.00-3.000.06 锡>0.0040-0.0100 0.0015 >3.00-5.000.08 >0.0100-0.02500.0025 锆≤0.0100.002 >0.025-0.0500.004 >0.010-0.0250.003 >0.050-0.1000.008 >0.025-0.0500.005 >0.100-0.2000.015 >0.050-0.1000.008 >0.200-0.4000.025 >0.100-0.2000.015 氮>0.002-0.0100.001 >0.200-0.3000.020 >0.010-0.0200.002 镁>0.005-0.0250.002 >0.020-0.0500.004 >0.025-0.0500.004 >0.050-0.1000.006 >0.050-0.1000.007 >0.10-0.200.01 >0.10-0.200.01 >0.20-0.400.02 。