高强度不锈钢的研究及发展现状

刘振宝,梁剑雄,苏杰,王晓辉,孙永庆,王长军,杨志勇

Research and Application Progress in Ultra-HighStrength Stainless Steel

Zhenbao LIU,Jianxiong LIANG,Jie SU,Xiaohui WANG,Yongqing SUN,Changjun WANG,Zhiyong YANG

表2 典型高强度不锈钢的力学性能[13,14,15,16,17,18,19,20,21]

Table 2 Mechanical properties of typical high strength stainless steels[13,14,15,16,17,18,19,20,21]

Steel Rp0.2 / MPa Rm / MPa KIC / (MPa·m1/2) AKU / J Strengthening phase 17-4PH 1262 1365 - 21 Cu 15-5PH 1213 1289 - 79 Cu Custom450 1269 1289 - 55 Cu PH13-8 1448 1551 - 41 NiAl Ultrafort401 1565 1669 103 56 Ni3Ti Ultrafort403 1669 1689 60 34 Ni3Ti 1RK91 1500 1700 58 27 Cu/Ni3Ti Custom465 1703 1779 71 - Ni3Ti USS122G 1550 1940 90 - Laves/α' Ferrium?S53 1551 1986 77 - M2C