应力松弛方法研究2种HR3C耐热钢的高温蠕变行为

曹铁山, 方旭东, 程从前, 赵杰

CREEP BEHAVIOR OF TWO KINDS OF HR3C HEAT RESISTANT STEELS BASED ON STRESS RELAXATION TESTS

CAO Tieshan, FANG Xudong, CHENG Congqian, ZHAO Jie

表1 HR3C耐热钢的标准成分与实际化学成分

Table 1 Chemical compositions of HR3C with standard and by measurement

Steel Mn Si P S Cr Ni Nb Fe Standard ≤2.00 ≤0.75 ≤0.003 ≤0.003 24.00~26.00 17.00~23.00 0.20~0.60 Bal. F-HR3C 1.30 0.32 0.029 0.006 24.91 19.78 0.390 Bal. C-HR3C 1.16 0.39 0.014 0.003 25.22 19.96 0.305 Bal.