Outdoor Iron Staircase Metal Galvanized Steel Grating Stairs Step Treads
Steel grating, also known as bar grating, features a square grid pattern formed by flat bearing bars and cross round bars. This versatile product is primarily used as gutter covers, steel structure platform walkways, and stair treads for steel ladders.
Material Composition
Our steel grating is typically manufactured from carbon steel with hot-dip galvanized surface treatment to prevent oxidation. Alternative materials include stainless steel and aluminum steel to meet various application requirements.
Manufacturing Methods
Machine Forge Welding Type
Handmade Manual Welding Type
Surface Profile Options
Flat Type
Tooth Type
"I" Type
Application Categories
Trench and Gutter Covers
Platform Walkways
Stair Treads
Material Variants
Mild Steel
Aluminum
Stainless Steel
Technical Specifications
| Type |
Width mm |
Thick mm |
KG/m |
Clear Span mm |
200 |
400 |
600 |
800 |
1000 |
1200 |
1400 |
| G505/30/50 |
50 |
5 |
80.9 |
U |
2361 |
590 |
262 |
147 |
94 |
65 |
48 |
| D |
0.14 |
0.55 |
1.24 |
2.2 |
3.45 |
4.97 |
6.82 |
| G505/30/100 |
77.9 |
C |
236 |
118 |
78 |
59 |
47 |
39 |
33 |
|
| D |
0.11 |
0.44 |
0.99 |
1.77 |
2.77 |
3.99 |
5.39 |
| G455/30/50 |
45 |
5 |
73.4 |
U |
1912 |
478 |
212 |
119 |
76 |
53 |
39 |
| D |
0.15 |
0.61 |
1.38 |
2.45 |
3.83 |
5.56 |
7.62 |
| G455/30/100 |
70.4 |
C |
191 |
95 |
63 |
47 |
38 |
31 |
27 |
|
| D |
0.12 |
0.49 |
1.09 |
1.94 |
3.07 |
4.35 |
6.06 |
| G355/30/50 |
35 |
5 |
58.4 |
U |
1156 |
289 |
128 |
72 |
46 |
32 |
23 |
| D |
0.2 |
0.79 |
1.77 |
3.16 |
4.94 |
7.17 |
9.61 |
| G355/30/100 |
55.4 |
C |
115 |
57 |
38 |
28 |
23 |
19 |
16 |
|
| D |
0.16 |
0.62 |
1.4 |
2.46 |
3.97 |
5.7 |
7.69 |
| G255/30/50 |
25 |
5 |
43.4 |
U |
590 |
147 |
65 |
36 |
23 |
16 |
12 |
| D |
0.28 |
1.1 |
2.47 |
4.35 |
6.82 |
9.92 |
13.9 |
| G255/30/100 |
40.4 |
C |
59 |
29 |
19 |
14 |
11 |
9 |
8 |
|
| D |
0.22 |
0.87 |
1.98 |
3.39 |
5.25 |
7.5 |
10.71 |
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