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2 实验用钢的TMCP轧制工艺

Table 2 Measured processing parameters in TMCP of the experimental steels

Steel Rolling temperature / ℃ Accelerated cooling Cooling rate ℃/s Final cooling temperature / ℃ A 1100 1056 1000 892 854 800 772 15 300 B 1079 1046 987 890 835 800 750 20 --- Interpass reduction distribution / mm 80~60 60~45 45~30 30~24 24~16 16~11 11~8 --- ---