Store › #4, 1/2" Steel Rebar - Weldable - Grade A60 Image 1 of 1 #4, 1/2" Steel Rebar - Weldable - Grade A60 from $3.50 #4 - OD 3/8" - Steel Rebar - ASTM A615 - Weldable - ASTM A615 - Grade 40 - Hot Rolled Length: Select Length 12" 24" 36" 48" 60" 72" 84" 96" Quantity: Add To Cart Added! #4 - OD 3/8" - Steel Rebar - ASTM A615 - Weldable - ASTM A615 - Grade 40 - Hot Rolled