steel bar grating/metal grating/metal grid plate/20year professional manufacturer

Bearing bar pitch  

  Cross bar pitch

 load steel size ( Width ×Thickness)

20×3

25×3

32×3

40×3

20×5

25×5

30

100

G203/30/100

G253/30/100

G323/30/100

G403/30/100

G205/30/100

G255/30/100

50

G203/30/50

G253/30/50

G323/30/50

G403/30/50

G205/30/50

G255/30/50

40

100

G203/40/100

G253/40/100

G323/40/100

G403/40/100

G205/40/100

G255/40/100

50

G203/40/50

G253/40/50

G323/40/50

G403/40/50

G205/40/50

G255/40/50

60

50

-

G253/60/50

G253/60/50

G403/60/50

G205/60/50

G255/60/50

Bearing bar pitch  

Cross bar pitch

load steel size (Width ×Thickness)

32×5

40×5

45×5

50×5

55×5

60×5

30

100

G325/30/100

G405/30/100

G455/30/100

G505/30/100

G555/30/100

G605/30/100

50

G325/30/50

G405/30/50

G455/30/50

G505/30/50

G555/30/50

G605/30/50

40

100

G325/40/100

G405/40/100

G455/40/100

G505/40/100

G555/40/100

G605/40/100

50

G325/40/50

G405/40/50

G455/40/50

G505/40/50

G555/40/50

G605/40/50

60

50

G325/60/50

G405/60/50

G455/60/50

G505/60/50

G555/60/50

G605/60/50

Steel Grating  Standard

Steel Grating Standard

Steel Standard

Galvanizing Standard

China Standard

YB/T 4001.1-2007

GB700-88

GB/T13912-2002

USA Standard

ANSI/NAAMM (MBG531)

ASTM (A36)

ASTM (A123)

U.K. Standard

BS4592

BS4360 (43A)

BS729

Australia Standard

AS1657

AS3679

AS1650

Deutsche Standard

DIN24537

DIN17100-80

DIN50976

Bearing bar type

Flat bar

I bar

Serrated bar

Cross bar type

Twisted bar

Round bar

 flat bar

Production process

welded

Pressure locked

Surface treatment

Self-colour 

Galvanized 

painted

application

Platform 

walkway&floor

Trench cover

Steel stair treads

Suspended ceiling

Barrier fence