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assembled metal fence

Jul 13, 2018

4 Product classification, connection strength grade and model specifications


4.1 Classification


4.1.1 Classification by material


The main structural materials used in metal fences can be classified into steel (G) and aluminum (L).

4.1.2 Classification by structure


According to the metal fence main structure, it can be divided into welded type (H) and assembled type (Z).

4.1.3 Classification by purpose


According to the use of metal fences, it can be divided into isolation guardrail (G), safety guardrail (A), and landscape guardrail (J).

4.2 Connection strength level


For the assembled metal fence, due to the different connection modes of the main structure, it is divided into two types (J) and B (Y). The joint strength is the highest in class A (J) and the second level (Y) is adopted. The tapping screw (drilling screw) connects the main body of the fence and there is a risk of failure.

4.3 Surface treatment layer corrosion resistance grade


According to the different environment of the metal fence, it is divided into two grades (J) and Grade B (Y), which correspond to outdoor installation and indoor installation.

4.4 Model Specifications


GZA-JJ2.0× 1.8

Single piece height, m

Single piece length, m

Surface treatment layer corrosion resistance grade

Connection strength level

Guardrail type

structure type

Material of the main material of the fence

Example: The main material of the fence is steel, the structure is assembled, used as a safety guardrail, the joint strength grade is Grade A, the coating is grade A, the length is 2.0m, and the height is 1.8m. , marked as: GZA-JJ 2.0×1.8.