Steel shipments were better than normal for the month, while inventories at service centers fell in what was the largest drop in two years.
The S&P Steel Supercomposite Index was up 9.6% against a 6.9% increase for the S&P 500 for the month.
Steel prices appear to be bottoming with a pick up in store in the next couple of weeks.
Driven by flat-rolled, June inventories jump 6%, to the highest tonnage level since March 2009.
North American steel mills are cutting production in response to decreased order levels in response to fears of a surge in imports on the back of a potential slowdown in Chinese steel consumption.
Import licenses in June dropped 14.9% from May to 1,773,206 tonnes but remain more than double the level of a year ago.
May global steel production declined 1.2% from April.
Metals Service Center Inventories data show shipments, on an average daily basis, increased 6.7%.
China is expected to accelerate cutbacks in steel production in the coming weeks.
The Chinese steel index hit zero last week, but the drop is expected to be short-lived.