Roman metallurgy was really not at a point to make practical use of steam power on a scale that made it more effective than using slaves. Crucible steel, a bare minimum, wouldn't come to Europe for over a millennium. They simply did not have the materials engineering to build useful pressure vessels.

People get weirdly romantic about how easy these ideas would have been to implement; there's this weird conception that we should have been able to go from late antiquity Rome to early industrial revolution England in a matter of a couple centuries.

This ignores two things. First executing seemingly simple ideas can still require incredible expertise in a range of fields. Nuclear bombs are conceptually simple but building them still seems to require the economy of a nation state.

Second, Roman knowledge wasn't lost. It was all still there in the Byzantine Empire yet strangely they weren't sending rockets to the moon in the 1200's. The centres of knowledge simply migrated, and in every place knowledge grew and expanded. Whether work by Byzantine or Muslim scholars, science wasn't put on pause and without their contributions, we would not have advanced to where we are today.