I have moved your thread. Please also refrain from spamming threads on the forum as it could result in you getting an infraction. Thanks.
As for your post, have you tried to right-click on the material in the editor and then select Asset → Migrate … this will allow you to copy it to another project.
Some links:
https://docs.unrealengine.com/latest/INT/Engine/Content/Browser/UserGuide/Migrate/index.html