zlacker

>>hrl+(OP)
No mention of epoxy coatings for steel rebar? Look for green-coated rebar as you pass highway construction sites.

>>dmckeo+x5
It's pretty dependent on skilled people using it, every ding must be properly repainted before the concrete is poured, so extra care must be taken transporting and laying it.

https://www.ijser.org/researchpaper/Epoxy-Coated-Versus-Galv... has a lot more, but clearly not a panacea...