Home > Products > Building Materials, Steel Rebar > Alloy structural steel Share × ✓ Add to quote Alloy structural steel Request a Quote Enter the quantity you need and add to your quote list for pricing inquiries. Quantity: Inquire Now Description Description Steel grades: 20Cr, 40Cr, 20CrMo, 35CrMo, 42CrMo Specifications: 12mm-300mm Implementation standard: GB/T3077-2015 Quality grade: National standard Application: Steel used for mechanical parts and various engineering components and containing one or several alloying elements