Plain Mild Steel Grating

Mild steel grating is very strong and safe for the support of floors, platform
stair treads and elevated walkway. It is a low cost flooring metal with no
galvanizing or hot dipped coating protection, suitable for common industrial
uses.

Steel Standard: China GB700-88 / ASTM (A36) / BS4306 (43A)
Qindelin mild steel grating meets the following standards:
China YB/T4001-1998
America ANSI/NAAMM (MBG531-88)
Britain BS4592-1987
Australia AS1657-1992
Standard Specifications:
Grating Dimension:
Load Bearing Flat Bar size
Thickness≥3mm, depth ≥19mm
19X3,19X5,20X3, 20X5, 25X3, 25X4, 25X4.5, 25X4.7, 25X5, 40X6, 40X8, 40X10, 90X6
Pitch of Load bearding flat bars(mm): 12.5,15, 20, 30, 30.6,? 32.5, 34,? 34.8,
35.3, 40, 60, 80
Pitch of cross bars(mm): 38.1, 50, 50.8, 70, 75, 80, 100, 101.6, 102
Custom sizes available. The sizes and dimension is not limited to above.
Grating types: Flat bar: plain type, plain I type; serrated type, serrated I
type; cross bar: round type and square twisted type.
Finishing treatment:
a. Galvanized: Steel grating with zinc protection coating;
b. Untreated steel: Carbon steel or mild steel grating, black natural steel
color, non galvanized;
c. Painted: Steel grating painted into colors.

Click to Enlarge