牌号 | 化学成分(质量分数)(%) | |||||
C | Si | Mn | S | P | Pb | |
Y12 | O.08~O.16 | 0.15~O.35 | 0.70~1.00 | 0.10~0.20 | O.08~0.15 | |
Y12Pb | 0.08~0.16 | ≤0.15 | 0.70~1.10 | O.15~0.25 | O.05 | 0.15~O.35 |
Y15 | 0.10~O.18 | ≤O.15 | 0.80~1.20 | O.23~O.33 | | |
Y15Pb | O.10~O.18 | ≤O.15 | O.80~1.20 | 0.23~0.33 | 0.10 | O.15~0.35 |
Y20 | O.17~0.25 | O.15~O.35 | O.70~1.00 | O.08~0.15 | ≤0.06 | |
Y30 | 0.27~O.35 | 0.15~O.35 | O.70~1.00 | O.08~O.15 | ≤O.06 | |
Y35 | 0.32~0.40 | O.15~0.35 | O.70~1.00 | O.08~O.15 | ≤0.06 | |
Y40Mn | 0.37~O.45 | 0.15~O.35 | 1.20~1.55 | 0.20~0.30 | ≤O.05 | |
Y45Ca | 0.42~0.50 | O.20~O.40 | O.60~0.90 | 0.04~0.08 | ≤O.04 | Ca0.002~0.006 |