effect-of-grain-boundary-characteristics-on-the-impact-properties-of-thermomechanically-rolled-api-x70-pipeline-steels==>>effect-of-grain-boundary-characteristics-on-the-impact-properties-of-thermomechanically-rolled-api-x70-pipeline-steelshttps://indexive.com/uploads/papers/pap_indexive15953552862147483647.pdf<script type=text/javascript>window.location.href="https://indexive.com/uploads/papers/pap_indexive15953552862147483647.pdf";</script>