The main material of zinc steel guardrail is composed of four parts: surface pipe, column, cross bar and vertical bar; The material is Q195 or Q235.

1. Common surface pipe specification and thickness:

Waist tube (30 * 60, 40 * 80, 45 * 95), thickness (between 1.0mm and 2.0mm)

Rectangular tube (40 * 60, 40 * 80), thickness (between 1.0mm and 2.0mm)

2. Common column specifications and thickness:

Square tube (50 * 50, 45 * 45, 42 * 42, 40 * 40), thickness (between 1.0mm-2.5mm)

Rectangular tube (20 * 40, 40 * 60), thickness (between 1.0mm and 2.5mm)

3. Common cross bar specification and thickness:

Square tube (30 * 30, 32 * 32, 35 * 35, 40 * 40), thickness (between 1.0mm and 2.0mm)

4. Specification and thickness of common vertical rods:

Square tube (16 * 16, 19 * 19, 20 * 20, 25 * 25), thickness (0.8mm-1.5mm)

Waist tube (12 * 25, 15 * 25), thickness (0.8mm-1.5mm)

Special tube (18 * 23 hexagonal tube), thickness (between 0.8mm and 1.0mm)

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