galvanized steel grating manufacturer

ISO 2000/9001
Material: galvanized iron plate
Width: 50 cm
Length: 100cm
Application: broadstep,sewer coverplate

Heavy Duty Maximum recommended spans(mm)
Load bar size(mm)
Ceneral factories and workshop,
motor,riims,wheel trolleys
UDL=5kPa
General heavy loading areas ,bolier
equipment,heavy equipment areas
UDL=7.5kPa
Deflection=5mm
Deflection=10mm
Deflection=5mm
Deflection=10mm

Beflection bar pith(mm)
Beflection bar pith(mm)
Beflection bar pith(mm)
Beflection bar pith(mm)

30
40
60
30
40
60
30
40
60
30
40
60
25 x 5
1350
1250
1130
1600
1490
1350
1220
1130
1020
1450
1350
1220
32 x 5
1620
1510
1360
1930
1790
1620
1460
1360
1230
1740
1620
1460
40 x 5
1920
1780
1610
2280
2120
1920
1730
1610
1460
2060
1920
1730
45 x 5
2090
1950
1760
2490
2320
2090
1890
1760
1590
2250
2090
1890
50 x 5
2270
2110
1910
2700
2510
2270
2050
1910
1720
2440
2270
2050
55 x 5
2440
2270
2050
2900
2700
2440
2200
2050
1850
2620
2440
2200
65 x 5
2760
2570
2320
3290
3060
2760
2490
2320
2100
2970
2760
2490
75 x 5
3080
2860
2590
3660
3400
3080
2780
2590
2340
330
3080
2780
75 x 6
3220
3000
2710
3830
3560
3220
2910
2710
2440
3460
3220
2910