典型无缝钢管钢掺氢天然气环境适应性及氢致损伤机理

程凯源, 彭杨, 黄峰, 程向龙, 徐云峰, 彭志贤, 刘静

Adaptability of Typical Seamless Tube Steels to Hydrogen-blended Natural Gas Environments and Hydrogen- induced Damage Mechanism

CHENG Kaiyuan, PENG Yang, HUANG Feng, CHENG Xianglong, XU Yunfeng, PENG Zhixian, LIU Jing

表2 实验用钢力学性能指标

Table 2 Mechanical properties of experimental steel

Experimental materials Yield strength / MPa Tensile strength / MPa Elongation rate / % L245 ≥ 245 ≥ 415 ≥ 20 X42 ≥ 290 ≥ 420 X52 ≥ 358 ≥ 460