新一代马氏体耐热钢G115的研究进展

何焕生, 余黎明, 刘晨曦, 李会军, 高秋志, 刘永长

Research Progress of a Novel Martensitic Heat-Resistant Steel G115

HE Huansheng, YU Liming, LIU Chenxi, LI Huijun, GAO Qiuzhi, LIU Yongchang

表1 P92、MARBN、SAVE12AD和G115钢化学成分[19,26,29] (mass fraction / %)

Table 1 Chemical compositions of P92, MARBN, SAVE12AD, and G115 steels[19,26,29]

Steel C Cr W Mo Co Mn V G115 0.06-0.10 8.0-9.5 2.5-3.5 - 2.5-3.5 0.20-0.80 0.10-0.30 SAVE12AD 0.08-0.13 8.5-9.5 2.0-3.5 - 1.0-3.5 0.20-0.70 0.15-0.30 MARBN 0.078 9.0 3.0 - 3.0 0.3 0.16 P92 0.07-0.14 8.5-9.0 1.5-2.0 0.30-0.60 - 0.30-0.60 0.15-0.25 Steel Si Cu Nb N B Ni Ta / Nd G115 0.10-0.50 0.80-1.20 0.03-0.07 0.006-0.010 0.010-0.016 ≤ 0.03 - SAVE12AD 0.3 - 0.06 0.008 0.010 - - MARBN 0.05-0.50 - 0.03-0.08 0.005-0.040 0.003-0.015 ≤ 0.50 0.003-0.06 P92 ≤ 0.50 - 0.04-0.09 0.030-0.070 0.0010-0.0060 ≤ 0.40 -