Correction to: Effect of erosion on corrosion of API X120 steel in relation to erodent particle size

The article Effect of erosion on corrosion of API X120 steel in relation to erodent particle size written by Paul C. Okonkwo et al. was originally published electronically on the publisher’s internet portal (currently SpringerLink) on 27 December 2019 with open access. With the author(s)’ decision to step back from Open Choice, the copyright of the article changed in April 2020 to © China Iron and Steel Research Institute Group 2020, and the article is forthwith distributed under the terms of copyright.