元素 | 含量范圍 | 允許差 | 元素 | 含量范圍 | 允許差 |
碳 | >0.0050~0.0100 >0.010~0.0250 >0.0250~0.0500 >0.050~0.100 >0.100~0.250 >0.250~0.500 >0.500~1.000 >1.000~2.000 >2.000~3.000 >3.00~4.00 >4.00 | 0.0015 0.0025 0.0050 0.010 0.015 0.020 0.025 0.035 0.045 0.050 0.072 | 硅 | ≤0.0250 >0.025~0.0500 >0.0500~0.1000 >0.100~0.250 >0.250~0.5000 >0.500~1.000 >1.00~2.50 >2.50~4.00 >4.00 | 0.0025 0.0050 0.0075 0.017 0.023 0.035 0.05 0.06 0.07 |
硫 | >0.001~0.0025 >0.0025~0.0050 >0.0050~0.010 >0.010~0.020 >0.020~0.050 >0.050~0.100 >0.100~0.200 >0.20 | 0.0003 0.0005 0.001 0.002 0.004 0.006 0.010 0.015
| 錳 | ≤0.0250 >0.025~0.050 >0.050~0.100 >0.100~0.200 >0.200~0.500 >0.500~1.000 >1.00~2.00 >2.00~5.00 >5.00~10.00 >10.00~20.00 | 0.0025 0.005 0.010 0.015 0.20 0.025 0.030 0.050 0.10 0.14 |
P | ≤0.0025 >0.0025~0.0050 >0.005~0.0100 >0.0100~0.0300 >0.0300~0.100 >0.100~0.200 >0.200~0.400 >0.400~1.00 >1.00 | 0.0003 0.0005 0.0010 0.0025 0.004 0.008 0.010 0.20 0.30 | 鉻 | >0.025~0.050 >0.050~0.100 >0.10~0.25 >0.25~0.50 >0.50~1.00 >1.00~5.00 >5.00~10.00 >10.00~14.00 >14.00~18.00 >18.00~30.00 | 0.006 0.008 0.015 0.020 0.030 0.05 0.10 0.12 0.15 0.17 |