Si对铸造超高铬高碳双相钢组织及性能的影响

王桂芹,王琴,车宏龙,李亚军,雷明凯

Effects of Silicon on the Microstructure and Propertiesof Cast Duplex Stainless Steel with Ultra-HighChromium and High Carbon

Guiqin WANG,Qin WANG,Honglong CHE,Yajun LI,Mingkai LEI

表2 图4中超高铬高碳钢铸态试样微区成分分析 (mass fraction / %)

Table 2 Microzonal composition analyses in Fig.4 of as-cast ultra-high chromium and high carbon steel (mass fraction / %)

Steel Point Fe Cr C Ni Mo Mn Cu Si N 0.46%Si 1# 59.186 26.884 - 9.410 1.166 0.681 1.677 0.461 0.535 2# 59.951 26.314 0.054 9.269 1.256 0.670 1.494 0.488 0.504 3# 20.769 69.377 4.389 1.649 3.182 0.501 0.132 0.001 - 4# 54.602 36.311 - 4.272 2.900 0.583 0.528 0.692 0.113 5# 62.014 26.973 - 7.160 1.372 0.647 1.364 0.420 0.049 1.36%Si 1* 56.497 28.070 - 10.067 1.375 0.597 1.755 1.263 0.376 2* 19.832 69.498 4.465 1.642 3.711 0.528 0.151 0.022 0.151 3* 50.661 37.148 - 5.579 3.831 0.561 0.534 2.032 - 4* 63.970 22.784 - 8.510 0.309 0.588 2.483 0.980 0.376