不同温度回火低合金钢缺口拉伸性能的预测

齐恺力, 胡德江, 高崇, 刘峰, 庞建超, 邵琛玮, 杨梦起, 李守新, 张哲峰

Notch Tensile Properties Prediction of Low-alloy Steel Processed by Different Tempering Temperatures

QI Kaili, HU Dejiang, GAO Chong, LIU Feng, PANG Jianchao, SHAO Chenwei, YANG Mengqi, LI Shouxin, ZHANG Zhefeng

表4 35CrMo钢在不同温度回火后的拉伸性能[28]

Table 4 Tensile properties for 35CrMo steel after tempering at different temperature[28]

Sample σb / MPa σy / MPa Z / % A / % Q 1977 1380 33.20 10.80 QT150 1952 1364 42.78 11.00 QT200 1891 1487 47.66 12.05 QT400 1566 1352 51.48 12.10