M/A组元对高强度管线钢抗H<sub>2</sub>S性能的影响

M/A组元对高强度管线钢抗H₂S性能的影响

史显波, 王威, 严伟, 单以银, 杨柯

Effect of Martensite/Austenite (M/A) Constituent on H₂S Resistance of High Strength Pipeline Steels

SHI Xianbo, WANG Wei, YAN Wei, SHAN Yiyin, YANG Ke

表3 实验用钢的力学性能

Table 3 Mechanical properties of the experimental steels

Steel	?Yield strength(YS / MPa)	Ultimate tensile strength (UTS / MPa)	YS/UTS ratio	Elongation %	Uniform elongation / %	Impact tough / J
A	620	720	0.86	23.5	8.6	116
B	657	729	0.90	23.5	9.4	116