Microstructure and mechanical properties of Nb‑API X70 low carbon steel - Conde, Fabio Faria; Pina, Felipe Jaime de; Giarola, Joseane Moreira; Pereira, Gualter Silva; Francisco, J. C.; Ávila Diaz, Julián Arnaldo; Bose Filho, Waldek Wladimir (Metallography, Microstructure, and Analysis, 2021)