显微组织对X100管线钢氢致开裂及氢捕获行为影响

袁玮,黄峰,甘丽君,戈方宇,刘静

Effect of Microstructure on Hydrogen Induced Cracking and Hydrogen Trapping Behavior of X100 Pipeline Steel

Wei YUAN,Feng HUANG,Lijun GAN,Fangyu GE,Jing LIU

表1 X100管线钢HIC敏感性参数

Table 1 HIC susceptibility parameters of X100 pipeline steel

Sample Detecting section CSR / % CLR / % CTR / % Original 1 4.8 143.0 10.0 2 8.4 138.1 16.7 3 5.1 126.2 10.0 Average 6.1 135.8 12.2 Furnace cooling 1 3.3 100.0 3.3 2 3.3 100.0 3.3 3 2.6 78.6 3.3 Average 3.1 92.9 3.3 Wind cooling 1 0 0 0 2 3.3 100.0 3.3 3 2.7 81.0 3.3 Average 2.0 60.3 2.2 Anti-HIC standard threshold value ≦1.5 ≦15.0 ≦3.0