hot dip galvanized steel webforge catwalk grating

Common specification of Steel grating

Material Standard

ASTM A36, A1011, A569, Q235, S275JR,Stainless steel 304,

Mild steel & Low carbon steel, etc

Bearing Bar

(width*thickness)

25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10…..100 x10mm etc;

I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc

US standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'',1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc

Bearing Bar Pitch

12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3,32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc.

US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.

Twisted Cross Bar Pitch

38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc

Surface treatment

untreated(black), hot-dipped galvanized ,powder coated,

electroplate, painting or as per customers’ requirement.

Grating Style

Plain / Smooth, Serrated /teeth, I bar, serrated I bar

Packing

1)    LCL(less than one container load): packed with plastic film then on the         pallets  

2)    FCL(full container load): nude packing 

3)    Other special package :according to customers' requirements.

Payment Term

T/T,L/C, Paypal, Western Union, MoneyGram, Credit Card ,D/A,D/P,

Trade assurance

Remarks: Other sizes also can be customized according to customers’ requirement.  

America: ANSI/NAAMM

England:

BS4592

Australia:

AS1657