Product Details

Galvanized Surface Flat Steel Lattice Welded Steel Grating G203/30/100

Product Description

Brief Introduction

Welded steel grating is is munufactured from steel strand and steel bar.And it always be used as a part of flooring,walkway,platform,grating deck.

We get two different designs regarding to the loading capacity, the gratings is theoretical and is based on a uniformly distributed load of 300 kg/m² (3KPa)

Light and Medium Duty Welded Steel Grating --- Bearing bar spacing is 30 mm
Heavy Duty Welded Steel Grating --- Bearing bar spacing is 40 mm

Application

Flooring
Strair trends
sun shades
Drain covers
Security screens
Manhole covers
Mezzanine flooring
Earth mats
Shelving
Stanchions

Specification

Common Welded Steel Grating Adviced Model
Model	Weight/m²	Model	Weight/m²
G203/30/100	22	G203/40/100	17.7
G203/30/50	25.1	G203/40/50	20.8
G205/30/100	33.3	G205/40/100	26.5
G205/30/50	36.4	G205/40/50	29.7
G253/30/100	26.6	G253/40/100	21.4
G253/30/50	29.7	G253/40/50	24.4
G255/30/100	40.9	G255/40/100	32.3
G255/30/50	43.8	G255/40/50	35.5
G323/30/100	33.3	G323/40/100	26.6
G323/30/50	36.2	G323/40/50	29.6
G325/30/100	51.6	G325/40/100	40.4
G325/30/50	54.8	G325/40/50	43.6
G403/30/100	40.8	G403/40/100	32.5
G403/30/50	43.8	G403/40/50	35.4
G405/30/100	63.7	G405/40/100	49.7
G405/30/50	66.9	G405/40/50	52.9
G455/30/100	71.3	G455/40/100	55.6
G455/30/50	74.5	G455/40/50	58.7
G505/30/100	78.9	G505/40/100	61.4
G505/30/50	82	G505/40/50	64.5
G655/30/100	102	G655/40/100	78.8
G655/30/50	105	G655/40/50	82

Light and Medium Duty Welded Steel Grating --- Bearing bar spacing is 30 mm

Model	Bearing bar	Serrated Bar Factors
Model	Bearing bar	Stress	Deflection
G193/30	19 x 3	—	—
G253/30	25 x 3	0.88	1.21
G255/30	25 x 5	0.82	1.30
G323/30	32 x 3	0.91	1.16
G325/30	32 x 5	0.84	1.25
G445/30	44 x 5	0.89	1.16
G505/30	50 x 5	0.92	1.12
G657/30	65 x 7	—	—
G757/30	75 x 7	—	—

Heavy Duty Welded Steel Grating --- Bearing bar spacing is 40 mm

Model	Bearing Bar Size	Serrated Bar Factors
Model	Bearing Bar Size	Stress	Deflection
G253/40	25 x 3	0.88	1.21
G255/40	25 x 5	0.82	1.30
G323/40	32 x 3	0.91	1.16
G325/40	32 x 5	0.84	1.25
G445/40	44 x 5	0.89	1.16
G505/40	50 x 5	0.92	1.12
G657/40	65 x 7	—	—
G757/40	75 x 7	—	—

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