压水堆二回路碱化剂与材料的相容性研究进展

冀跃飞, 郝龙, 王俭秋, 李庆华, 郑跃, 于沛, 柯伟

Research Progress on Compatibility Between Alkalizing Agents and Materials in PWR Secondary Circuit

JI Yuefei, HAO Long, WANG Jianqiu, LI Qinghua, ZHENG Yue, YU Pei, KE Wei

表1 压水堆核电站二回路中采用的典型金属结构材料及其成分组成

Table 1 Types and compositions of typical metal structural materials used in secondary circuit of PWR nuclear power plant

Material C Si P S Cr Mn Ni Cu Nb Ti Fe Other 20# 0.17-0.23 0.17-0.37 ≤0.035 ≤0.035 ≤0.25 0.35-0.65 ≤0.3 ≤0.25 - - - - P280GH 0.08-0.20 ≤0.4 ≤0.025 ≤0.015 ≤0.3 0.9-1.5 ≤0.5 ≤0.30 ≤0.01 ≤0.03 - Mo≤0.08 304 ≤0.03 ≤1.0 ≤0.045 ≤0.03 18-20 ≤2.0 8-12 - - - bal - 316 ≤0.03 ≤1.0 ≤0.045 ≤0.03 16-18 ≤2.0 10-14 - - - - Mo: 2-3 17-4PH ≤0.07 ≤1.0 ≤0.040 ≤0.03 15.0-17.5 ≤2.0 3-5 3-5 0.15-0.45 - - - 690 ≤0.04 ≤0.5 - ≤0.015 28-31 ≤0.5 >58 ≤0.5 - - 7-11 Co≤0.01 800 ≤0.1 ≤1.0 - ≤0.015 19-23 ≤1.5 30-35 ≤0.75 - 0.15-0.60 >39.5 -