EPS处理对QStE700TM钢氢脆敏感性影响

徐云峰, 王少峰, 何龙, 刘冬, 黄峰, 刘静

Effect of Eco Pickled Surface Treatment on Hydrogen Embrittlement Sensitivity of QStE700TM Steel

XU Yunfeng, WANG Shaofeng, HE Long, LIU Dong, HUANG Feng, LIU Jing

表2 经不同表面工艺处理后充氢与未充氢QStE700TM钢的拉伸性能

Table 2 Tensile properties of QStE700TM steel with different surface treatments before and after hydrogen charging

Sample Rp0.2 / MPa Rm / MPa δ IHE Pickling 713.9 785.0 30.8% 20.8% Pickling-H 763.6 826.6 24.4% EPS 743.5 788.5 32.0% 8.1% EPS-H 732.6 766.5 29.4% Blasting 797.15 900.1 22.0% 28.6% Blasting-H 826.2 877.9 15.7%