Sigma Post

       D. Markings

3.1.1  Quantity (number of pieces or linear meter)
3.1.2  CLASS of Guardrail
3.1.3  TYPE of Guardrail:
3.1.4  Effective Length: 3.2m or 3.81m or 4.0m
3.1.5  Shape: W Beam or Profile B or Thrie Beam
3.1.6  Exceptions and Special Requirements:
       A. Effective length and Overall length see manufacturer's drawing
       B. Base Metal Steel Grade:
       C. Bolts, Nuts and Washers

3. Ordering Information

Class B-2: 3.0 mm base metal nominal thickness, Steel Grade Q235 (equivalent to S235JR according to DIN EN10025 and Gr.D according to ASTM A283M)

Class B-1: 3.43 mm base metal nominal thickness, Steel Grade Q235 (equivalent to S235JR according to DIN EN10025 and Gr.D according to ASTM A283M)

Class A-2: 2.67 mm base metal nominal thickness, Steel Grade Q345 (equivalent to S355JR according to DIN EN10025 1994 and Gr.50[345] according to ASTM A529M)

2. Class:

Class A-1: 2.67 mm base metal nominal thickness, Steel Grade Q235 (equivalent to S235JR according to DIN EN10025 and Gr.D according to ASTM A283M)

Type I. hot dip galvanized: 550 g/m2 (40?)
Type II. hot dip galvanized:1100 g/m2 (80?) or 1200 g/m2 (85?)

1. Types:

b. AASHTO-M180 (Corrugated Sheet Steel Beams For Highway Guardrail - USA)
c. RAL RG620 (Germany)
d. Or tailor-make according to client's requirements

a. JT/T 281-1995(Corrugated Sheet Steel Beams For Expressway Guardrail - China)

We manufacture highway guardrails mainly according to those Standards below:

We are a reputable manufacturer specialized in highway guardrail since 1994. We are also a contractor of highway guardrails, also we do installation. We export worldwide. We can manufacture W Beam (Profile A), Profile B, and different types of steel posts (C Posts, U Posts, Sigma Posts) and blocks, we can also supply bolts, nuts and washers, reflector, cat's eye, and relevant components, etc.

Crash Barrier (also named Highway Guardrails, Safety Barrier)

reputable manufacturer specialized in Highway Guardrail (Crash barrier, Safety Barrier, Road Barrier) since 1994