Research on the influence of heat treatment temperature on bearing capacity of high steel grade pipeline during in-service weldingYan Xu, Yinglai Liu, Xianghui Nie, Zhenjun Feng, Liang Li, Fengping Yang and JasmineMATEC Web Conf., 353 (2021) 01020DOI: https://doi.org/10.1051/matecconf/202135301020