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Guardrail Steel Posts with High Tensile Strength and Impact Resistance

Guardrail post, as a very important part of guardrail, is to be broken into foundation and support the corrugated sheet steel beam, which generally determines the performance of guardrail. Posts can be divided into ordinary steel posts and flange posts. Generally, steel posts are mostly fixed into the soil by post anchors, while flange posts are fixed on the concrete ground. As an outstanding guardrail manufacturer in china we supply several kinds of posts to clients, such round post, square posts, C-section post, U-section post, H-section post, also according to client’s requirements.

Round guardrail posts are installed on the roadside.
RGP-01: Round guardrail posts are installed on the roadside to support the guardrail beam and protect traffic safety.
A piece of guardrail steel sheet beam is supported by two round flange posts.
RGP-02: Galvanized round flange post has well impact resistance and anti-corrosion performance.
Galvanized square posts are piled neatly.
SGP-01: Galvanized square posts are packaged in pieces for one bundle with steel strips.
Square flange posts are fixed on the concrete ground to support corrugated sheet steel beam.
SGP-02: Square flange posts are resistant to high and low temperature, and have long service life.
C-section guardrail post is fixed on the ground.
CSGP-01: C-section posts are usually installed with C spacers, it is also high impact resistant.
C-section post is connected with a C spacer.
CSGP-02: C-section posts are installed on the roadside to protect traffic safety and form a beautiful landscape.
H-section posts are fixed into the soil and connected with thrie-beam guardrail beam.
HSGP-01: H-section posts are used with thrie-beam guardrail beam, which can minimize the damage caused by accident.
A piece of upright U-section post.
USGP-01: U-section post is more anti-corrosive after galvanized surface treatment.


  1. Post is an important part to support corrugated sheet steel beam, which acts as a cushion.
  2. Simple structure, cheap and practical, easy to transport and install.
  3. Modest cost, suitable for using in large area
  4. Strong environmental adaptability, no topographic restriction.
  5. Anti-corrosion, anti-aging, anti-drying, resistant to high and low temperature, long service life.
Model Parameters
Profile Round, square, C-section, H-section, U-section
Base metal Steel grade Q235 (equivalent to S235JR / ASTM A283M / DIN EN10025)
Certificate GB/T19001-2000—ISO9001:2000, CE.
Thickness 4.5 mm, 6 mm, or client’s requirements
Length 1500, 1800, 1950, custom sizes are also available.
Parameters (mm) Round post ø114 / ø140 × 4.5 × length Flange plate: 300 × 300 × 10 mm, 250 ×250 × 8 mm Or custom sizes
Square post 130 × 130 ×6 mm × length
C-section post C 150 × 75 × 25 × 4.5 mm × length,
H-section post H 150 × 100 × (tw) 4.5 × (tf) 6 mm × length
U-section post U 150 × 75 × 5 mm × length, U 178 × 76 × 6 mm × length
Surface treatment Hot-dip galvanizing or plastic coating
Weight of coating (GB/T 281-2007) Average check limit triple-spot test Min check limit triple-spot test
600 g/m2 (85 um) 425 g/m2 (61 um)
Custom requirements are available.
Guardrail drawings are preferable.

Posts are mainly used in highway, large parking lots, scenic spots, rural roads and other safety engineering construction.

Two people are installing the guardrail.
Round post are installed on the rural road.
Plastic coated post are used with W-beam guardrail beams.
Plastic coated posts are installed on a highway.
If you need to consult the price, please contact the business department by e-mail:
Dacheng will service for you !
E-mail: info@guardrailbarrier.org

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