国产午夜一级av,亚洲综合精品久久久,国产美女福利白嫩激情视频,国产高清视频在线一区,亚洲偷自拍国综合,国产麻豆精品在线播放,久久久一级生活片,亚洲精品亚洲成人字幕久,亚洲欧美日韩高清专用,午夜福利影院欧美,欧美成人免费亚洲,亚洲成人黄色免费网站,国产日韩亚洲毛片,中文字幕日韩一区二区日韩,三级视频日本韩国,欧美日韩三级黄片免费观看,日本三级电影大胸,91伊人色伊人亚洲综合网站,在线国产欧美区精品,奇米久久久久久亚洲综合91,国产亚洲精品一级片,国产麻豆乱片91,国产综合精品一区

Welded Steel Grate

Welded Steel Grate by the grid load on certain flat steel bar and spacing Affairs with the high pressure resistance welding machine welded together on the original plate. With the character of high-intensity, light structure and good ventilation. It be widely used in corridors, bridge, ditch cover, covers, ladders, and so on.

Raw Material:

Grid load flat steel bar: High-quality low carbon steel, galvanized steel, stainless steel, alloy steel.

Horizontal pole: Q235A or 304 stainless round steel, twisted square steel, square steel and hexagonal steel.

Classification: Welded steel grating, standard pressure lock grating, dense grating, ditch cover and ladders 

Features: Strong steel structure made it have a high carrying capacity; With good corrosion resistance through surface by hot-dip galvanized; light structure easy to lifting; flat serrated have the character of safety and anti-slip; ventilation, lighting, heat, explosion-proof. 

Finish treatment: Hot dipped galvanized, cold dipped galvanized, spray painting, dip anti-rust oil, can prevent oxidation.

Surface type: Flat type, serrated type, I shape type (According to requirement made different protective treatment).

Flat type: The most widely steel grating.

Serrated type: With better non-slip.

I type: On the surface, path and items not in the same flat. With the character of light weight, economic and practical.

Application of steel grating:

All kind of plant, such as power plants, chemical plants, steel plants, oil plants, paper-making plants, and so on. Used as platforms.
All kind of shipping, used as platform of ramp, channels, pumping stations and engine room.
All kinds bridge, such as side road of railway bridge, suspension bridge, trestle bridge. Used as panel shop.
Used as drain covers and road fence at municipal engineering and road.
Other uses, such as oil platform, wharf road, washing platform, tower platform and building fence, and so on.