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.
The square nut is one of the welding nuts. The welding method is believed to be known to all. It is to use high temperature to melt some metal and weld it between the two products to play a fastening role. The fastening effect of this connection will be very good and will not be easy to loosen. It can also be used with bolts. Square nuts are mainly used in electric power engineering, road traffic, home building materials and other industries.
Square Nut,Square Nut Bolt,Square Weld Nut,Square Nuts And Bolts
Jiangsu Jiajie Special Screw Co., Ltd , https://www.jiajiescrewcompany.com