Posts are manufactured conforming to FHWA and ATSSA standard. Steel material conforms to ASTM A1011, Grade 50. Yield strength after cold-forming is 60,000 psi minimum. Posts are manufactured from hot-dipped galvanized steel conforming to ASTM A653, G90 or G140. The posts are ...
Shaft material: 40Cr(ASTM A5140) or 45#(ASTM 1045) steel. Helix plate: ASTM A36 hot rolled plate, available in 3/8\'\' and 1/2\'\' thickness. All helix leading edges sharpened and rock cut and 45 degrees. Corrosion protection: ASTM A153, hot dipped zinc coating. Efficient ...
Posts are manufactured conforming to FHWA and ATSSA standard. Steel material conforms to ASTM A1011, Grade 50. Yield strength after cold-forming is 60,000 psi minimum. Posts are manufactured from hot-dipped galvanized steel conforming to ASTM A653, G90 or G140. The posts are ...