Steel grating

We are offering steel grating
how to order grating
1. bearing bar size(height and thickness) and cross bar size (diameter)
2. bearing bar span (center to center)
3. cross bar span (center to center)
4. steel grating size (length and width)
5. surface:serrated(anti-slip) or smooth
6. material:low carbon steel or stainless steel
7. surfce treatment : if need to take hot dip galvanized .
the upper informations is necessary or send us draft (drawing)
general products specification
item description
1 bearing bar size 25×3，25×4，25×5，30×3，30×4，30×5，32×5，40×5，50×5，65×5，75×6，75×10 -----100×10 etc
us sd:1″×316″,1 14″×316″,1 12″×316″,1″×14″,1 14″×14″,1 12″×14″,1″×18″,1 14″×18″,1 12″×18″etc
2 bearing bar span(pitch) 12.5,15,20,25,30,33,35,38,40,60,80mm etc.
Us sd:19-w-4,15-w-4,11-w-4,19-w-2,15-w-2 etc
3 twisted cross bar pitch(span) 50 ，100 etc
ussd：2″&4″etc
4 material grade q235,s275jr,ss304,ss400,
ussd:astn a36,a1011,a569,
5 surface treatment hot dip galvanized
6 breaing bar style plainsmooth,serratedtooth,i bar,serrated I bar .
standards of steel grating
country steel grating standards steel material standard hot galvanized standard
china ybt4001.1-2007 gb 700-88 gbt13912-2002
u.s.a ansinaamm mbg531-09 astm(a36) astm(a123)
engliand bs4592-1987 bs4360(43a) bs729
australia as1657-1992 as3679 as1650.