Investors reading about the horrors of a possible steel glut should realize there are two types of steel stocks, Jim Cramer said Thursday on

CNBC's

Stop Trading! segment.

A UBS report, warning of flat prices, ignores the fact that commodity steel stocks, like

U.S. Steel

(X) - Get Report

, typically bear the brunt of gluts, Cramer said. He said investors should instead own shares in well-run specialty steel makers like

Reliance

(RS) - Get Report

,

Oregon

( OS) and

Allegheny

(ATI) - Get Report

.

In contrast to the glut talk, Cramer said, demand for structural steel is up 9%. "Reliant just said business is great," he said. "

Nucor

(NUE) - Get Report

just did a special dividend."

Cramer added that "selling those stocks makes no sense to me," noting that some specialty steel plays are trading at a cheap five or six times earnings. "Sell letter X, that's fine," he said, referring to U.S. Steel. "But don't sell the others."

Cramer also reiterated his bullish take on

Altria

(MO) - Get Report

, saying it's going to 100 from a recent 77 in large part because of the turnaround led by

Kraft

( KFT) CEO Irene Rosenfeld. "She is the best in the business," he said.

At the time of publication, Cramer was long Altria.

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