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1 2种超高铬高碳钢的化学成分 (mass fraction / %)

Table 1 Chemical compositions of two kinds of ultra-high chromium and high carbon steels (mass fraction / %)

Steel Si C Cr Mn Ni Mo Cu N Fe 0.46%Si 0.46 1.52 40.48 0.68 5.92 2.45 0.97 0.125 Bal. 1.36%Si 1.36 1.42 39.45 0.43 6.10 2.60 1.13 0.120 Bal.