pros
2 word meaningful industrial phrase
dot com tld
cons
21 letters
no comparable sales
You have one of the best descriptive names in the field. Unfortunately, commercial met lab/analysis services favor shorter brandnames.com and there is no public record of them scooping up descriptive names. Namebio database has zero sales records containing [metallu]. To your original point, metallurgicalindustry.com can be hand regged.
Wholesale: $x
Retail: $xxxx
Good luck!