W Beam (AASHTO M180 Class A Type II Option: U Post, C Post, I Beam Post and H Beam Post etc)

1. Finish:
a. hot dip galvanized
b. hot dip galvanized plus PVC coating (polyester coating)

2. Base metal & Thickness & Material Clarification:

a. 3.0mm thickness, Q235 according to GB 700-88 (equivalent to S235JR according to DIN EN10025 and Gr.D according to ASTM A283M)

b. 2.7mm thickness, Q345 according to GB/T 1591-94 (equivalent to S355JR according to DIN EN10025 1994 and Gr.50[345] according to ASTM A529M)


3. Standard:
a. AASHTO-M180 (Corrugated Sheet Steel Beams For Highway Guardrail - USA)
b. JT/T 281-1995(Corrugated Sheet Steel Beams For Expressway Guardrail - China)
c. RAL RG620 (Germany)
d. Or tailor-make according to client's requirements