1. What is steel grating? (galvanized welded steel grating )Â -- Steel grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.
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2.steel grating specification-Â Â Â galvanized IÂ bar grating
panel size available(black grating):Â 1000x5800mm or 1000x6000mm or 7315mm*1m
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 |
1
Material
Low carbon, middle carbon, stainless steel
2.
Material standard
GB700-88, ASTM(A36), BS4360(43A), AS3679
3.
Bearing bar size
20*3, 20*5, 25*3, 25*5, 32*3, 32*5, 35*3, 35*5,
40*3, 40*5, 45*5, 50*3, 50*5, 55*5, 60*5, 65*5mm etc,
4.
Bearing bar pitch
15, 20, 25, 30, 33, 35, 38, 40, 50, 60, 80, 90mm
5.
Cross bar pitch
24-200mm
6.
Surface treatment
Hot dipped galvanized, painted, self-color,
7.
Grating standard
YB/T4001.1-2007, ANSI/NAAMM(MBG531-88),
BS4592-1987, AS1657-1985
8.
Bearing bar type
F, I, S, IS type
9.
Application
Floor walkway, industrial platform, stair tread, metal ceiling, trench cover, barrier fencing
10.
Feature
Fine appearance, anti-corrosive, simple installation, light weight, high load, anti-skid,
Prevent dirt deposition, ventilation, anti-explosion
11.
Payment terms
TT, L/C
12.
Package
Pallets in containers packed by steel strap and worthy sea shipping, or according to the customers' requirements
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 |
 |
 |
4.steel grating standard--Â Â Â galvanized IÂ bar grating
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 |
6.our company profile
Hebei Jiuwang Metal Wire Mesh Co.,Ltd.(original Anping County Jintai Metal Mesh Co.,Ltd.).Established in 1992,our company is a manufacturer of large steel structure and steel gratings,integrating development,production and distribution.The company register capital is 10,080,000 Yuan,and take an area of 34,680 square meters.In 2003,we have got the ISO9001:2000 certification by BQR.
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