Posts are manufactured conforming to FHWA and ATSSA standard. Steel material conforms to ASTM A499, Grade 60. All kinds of specification including 1.12lbs/ft, 2.00lbs/ft, 2.03lbs/ft, 2.08lbs/ft, 2.10lbs/ft, 2.25lbs/ft, 2.50lbs/ft and more. 3/8\'\' or 7/16\'\' diameter holes on ...
holes 1\" centers on all four sides perforated square sign posts Product Description Name Square Sign Posts Steel material ASTM A1011,Grade 50 Yield strength after cold-forming is 60000 psi minimum Surface treatment from hot-dipped galvanized steel and coated with a chromate ...