What does X stand for?

X stands for "U S X - U S Steel Group"

How to abbreviate "U S X - U S Steel Group"?

"U S X - U S Steel Group" can be abbreviated as X

What is the meaning of X abbreviation?

The meaning of X abbreviation is "U S X - U S Steel Group"

What does X mean?

X as abbreviation means "U S X - U S Steel Group"