As a child, I read a book about a man made of steel working in a steel plant who...

[Mr. A]

...later melted himself. Title? As a child, I read a book about a man made of steel working in a steel plant who later melted himself. Title?
Seemed like there was a shortage of steel at the plant or the plant was about to go under, so he melted himself to help the company and it's employees. (?) His body steel went into buildings and bridges, etc.

 

[露面超人WD-50]

What kind of childhood did you have? reading such scary books...