الوصف

I Type Grating used I type flat bar(flat on both sides of thick thin middle) and twist bar (5*5,6*6,8*8 also called twisted steel, square steel, twisted steel) cross arrangement, and welded. with square lattice in the middle of the I type gratings mainly used to do ditch cover, Steel structure platform plate, steel ladders stair treads etc.

Steel Grating Size: 1m×6m standard type (special size and American standard size are also customizable)

Material: Low carbon steel (Q**5)=A*6

Surface Treatment: Hot dip galvanizing, paint or no coating

Surface Shape: Plain, Serrated and I type

Steel Grating Standard: China YB/T********7

America ANSI/NAAMM (MBG*****8)

Britain BS********7

Australia AS********2

Steel Standard: China GB*****8 / ASTM (A*6) / BS***6 (*3A)

Hot Dip Galvanizing Standard: China GB/T*******2 / ASTM (A**3) / BS**9 

Technological Process 

(1) Material

(2) Pressure Welding

(3) Cutting 

(4) Welding of Ends Bar 

(5) Hot Dipped Galvani-zation 

(6) Final Shipment