Hot Rolled Re-Inforcing Bars covers deformed billet-steel concrete-reinforcement bars. The bars are intended for use as reinforcement in reinforced concrete construction. The surface of the bar is provided with small lugs which inhibit longitudinal movement of the bar relative to the concrete which surrounds it.
SPECIFICATION ASTM A 615
MECHANICAL PROPERTIES The tensile and bend requirements of ASTM Spec. A 615 for deformed bars, Grade 60, are outlined below, minimum properties are as follows: Bars are capable of being bent cold around a pin without cracking on the outside of the bent portion, as follows: Under 3/4” diameter–Will bend 90º around a pin four times own diameter. 3/4” diameter & over–Will bend 90º around a pin five times own diameter.
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