Question 1

Can I paint HR sheet like CR?

Accepted Answer

Often yes with proper surface preparation; follow the coating manufacturer’s guidance and consultant specifications.

Question 2

Is CR always thinner?

Accepted Answer

Not always — compare callouts. CR is common in thinner gauges but you must verify availability.

Question 3

What if my drawing only says “MS sheet”?

Accepted Answer

Request HR vs CR clarification and tie to standards before purchasing.