试验结果表明，分级时效工艺在提高合金机械性能的同时，还能使合金抗应力腐蚀性能得到明显改善。
Experimental results show that stepped aging process not only enhances mechanical properties but also improves resistance against stress corrosion of the alloy.
试验结果表明，峰时效的硬度值为230.2，与相应的原始硬度比较增幅为120.2。
The test results showed that the peak ageing hardness was 230.2, increasing by 120.2 compared with the original hardness.
对X80钢级直缝埋弧焊管管体的应变时效行为进行了试验模拟，结果与分析相吻合。
Then the strain aging behavior of X80 grade LSAW pipe body was conducted a test simulation and the result coincide with the former analysis.
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