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China National Standards of hot dip galvanized steel gratings

[Hit: Loading...]   [Date: 2020-11-28, 02:55 ]

Galvanized steel grating is also called hot galvanized steel grid plate, galvanized grating plate. The hot-dip galvanized steel grating is a steel product with flat bar and cross bar intersecting at a certain distance and welded into a square lattice in the middle. The surface is generally hot-dip galvanized. It has good antiseptic ability and the surface gloss is beautiful.

Galvanized steel grating feature:

1) High strength and light structure

2) Powerful anti-corrosion, durable and long working life

3) Beautiful appearance, bright surface

4) No dirt-rain-snow deposit, automatic cleaning, easy maintenance.

5) Good ventilation, day-lighting, heat-dispersing, resistant to sliding and explosion

6) Easy installation

China National Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.

GB/T 13912-2002
Artical and its thinckness (mm) Local coating thinckness(um) mean coating thinkness (um)
Steel ≥6  70 85
3≤Steel<6 55 70
1.5≤Steel<3 45 55
Steel<1.5 35 45
Castings≥6  70 80
Castings<6 60 70


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