M/A组元对高强度管线钢抗H2S性能的影响
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史显波, 王威, 严伟, 单以银, 杨柯
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Effect of Martensite/Austenite (M/A) Constituent on H2S Resistance of High Strength Pipeline Steels
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SHI Xianbo, WANG Wei, YAN Wei, SHAN Yiyin, YANG Ke
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| 表4 两种钢的氢致裂纹参数 |
| Table 4 Results of cracking parameters on two experimental steels |
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| Steel | Sample | The initial pH=2.7 and the ending pH=3.2, 96 hours | | Steel | Sample | The initial pH=1.9 and the ending
pH=3.0, 288 hours | | CSR / % | CLR / % | CTR / % | | | | CSR / % | CLR / % | CTR / % | | A | 1 | 0 | 0 | 0 | | A | 7 | 0.03 | 11.4 | 0.3 | | 2 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | | 3 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | | Average | 0 | 0 | 0 | Average | 0.01 | 3.8 | 0.1 | | B | 4 | 0.3 | 60.9 | 1.9 | | B | 10 | 1.2 | 67.0 | 3.1 | | 5 | 0.1 | 35.8 | 0.7 | 11 | 1.1 | 39.1 | 3.4 | | 6 | 0.2 | 22.3 | 0.7 | 12 | 0.1 | 13.1 | 0.9 | | Average | 0.2 | 39.7 | 1.1 | Average | 0.8 | 39.7 | 2.5 |
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