Sign in View Cart Industry Bulletin: Grade 75 Bars Removed from ASTM A615 Industry Bulletin Licensed Design Professionals who specify Grade 75 [520] A615 reinforcing bars for their projects will need to revise their designs by substituting Grade 80 [550] A615 reinforcing bars and should also be open to substitution requests from Reinforcing Bar Fabricators as the Reinforcing Bar Mills work through this transition. Your price: 0.00 Quantity: Similar Items Assembling Reinf. Bars...Assessment of GFRP...Bending and...Benefits of RC Shear...Corrosion Resistant...Cost Comparison of CLT...