630~700 ℃超超临界燃煤电站耐热管及其制造技术进展

刘正东,陈正宗,何西扣,包汉生

Systematical Innovation of Heat Resistant Materials Used for 630~700 ℃ Advanced Ultra-Supercritical (A-USC)Fossil Fired Boilers

Zhengdong LIU,Zhengzong CHEN,Xikou HE,Hansheng BAO

表2 Inconel617、Inconel617B、C-HRA-3®和C-HRA-2®合金的化学成分[21,22] (mass fraction / %)

Table 2 The chemical compositions of Inconel617, Inconel617B, C-HRA-3® and C-HRA-2® alloys[21,22]

Alloy Cr Co Mo Al Ti C B Nb V Zr W Ni Ref. Inconel617 20.0~24.0 10.0~15.0 8.0~10.0 0.8~1.5 ≤0.6 0.05~0.15 ≤0.006 - - - - Bal. ASME SB 167 Inconel617B 21.0~23.0 11.0~13.0 8.0~10.0 0.8~1.3 0.25~0.50 0.05~0.08 0.001~0.005 ≤0.6 ≤0.6 - - Bal. DIN 2.4673 C-HRA-3? 21.0~23.0 11.0~13.0 8.5~9.0 0.8~1.3 0.3~0.5 0.05~0.08 0.002~0.005 ≤0.1 ≤0.1 ≤0.10 ≤1.0 Bal. [21] C-HRA-2? 21.0~23.0 11.0~13.0 8.5~9.0 - - 0.05~0.08 0.002~0.005 ≤0.1 - ≤0.10 ≤1.0 Bal. [22]