Product name :Steel grating,hot dip galvanized anti slip bar steel grating weight,Steel grid,Galvanized expanded metal lowes weight per square meter steel grating,Metal Building Materials Hot Dipped 32 x 5mm Galvanized Steel Grating

Color :Silver,Customers Samples Color,Matt White. silvery,black,White

Type :Plain Bar Grating,Press welded stee grating,I bar type etc.,Serrated Bar Grating,plain

Length :max 6000mm,Customized-Made,0.8m,CUSTOMERIZED,2m

Standard :YB/T4001,Customized-Made,A569,ISO9001,Q235

Width :600-1250mm,995mm,0.3m,1.5m

Cross bar pitch :50,76,100,101.6,38

Thickness :5mm,3mm-12mm,3mm/5mm,3-10mm,0.12 ----1.50mm

Bearing bar pitch :30mm,25,30,15,etc.

Height :25~40mm,12.5CM,2.5mm

Usage :Public Drain Area,Kitchen,stairs/platform/drainage,Deck Floor Tree Catwalk Driveway,Garage

Name :Steel grating,Steel Floor Decking,metal building materials hot dipped galvanized steel grating

Grating specification :40/50,30/100,19-w-4,15-w-2,60/100 and all

Grating size :3'x20',1000x1000mm,3x30',1000x6000mm and all,ect

Shape :Square

Technique :Welded

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Round Steel Welded Bar Grating For Industrial Catwalk Grating , 16 - w - 4

Parameter

Press-locked grating is also called pressure locked grating or press-locked steel bar grating. Basically, the press-locked grating have the same load capacity with the welded steel bar grating. The difference between press-locked grating and welded steel bar grating are joint connection technology and cross bars.

Cross bars of welded steel bar grating are twisted square rods and the bearing bars are rectangular bars or I type bars. Both the bearing bars and cross bars of press-locked grating are rectangular bars.

Compared to welded steel bar grating, which is produced through resistance-welding process, the press-locked grating is constructed with the two close-tolerance slotted bars bonded together by tremendous hydraulic pressure. This production can let press-locked grating be a permanent locking.

Press-locked grating and swage-locked grating has excellent lateral stiffness, which can be used in some special applications. And the serrated surface is available for press-locked grating.

Specification:

Materials: low carbon steel and stainless steel.
Surface treatment: galvanized, painted or powder coated.
Surface type: smooth surface and serrated surface
Serrated surface type:
PR/S1: Trapezoidal teeth on the bearing bar.
PR/S2: Trapezoidal tooth both on the bearing bar and cross bar with the highest non-slip performance. In this three types. it is most popular.
PR/S3: The non-slip tooth is applied to the connect components. It has the lowest non-slip performance.

Bearing bars and cross bars are notched and have same height.	Bearing bars are higher than the cross bars,bearing bars are notched.
Bearing bars are higher than the cross	Notch on the bearing bars are at a angle of 30° or 45°

High strength and high bearing capacity:

Non-slip, anti-corrosion, not easy to deform.
High safety performance.
Do not accumulate rain, snow and dust.
Simple and beautiful appearance.
Easy to install and remove to extend the lifespan.
Applications of serrated welded steel grating
Serrated welded steel grating is widely used as platforms, stair treads, walkaways and floors in industrial, civil and commercial buildings.

Grating Standardizations:

Countries	National Standards for Grating	Materials	Galvanizing Standards
China	YB/T 4001.1-2007	GB 700-88	GB/T13912-2002
America	ANSI/NAAMM(MBG531-00)	ASTM(A36)	ASTM(A123)
Britain	BS4592-1995	BS4360(43A )	BS729
Australia	AS1657-1992	AS3679	AS1650

No	Item	Description
1	Bearing bar	25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm
2	Bear bar pitch	12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc.
3	Cross bar pitch	38,50,76,100,101.6mm
4	Material	Q235,A36,SS304
5	Surface treatment	Black, hot dipped galvanising, paint
6	Standard	China: YB/T 4001.1-2007
		USA: ANSI/NAAMM(MBG531-88)
		UK: BS4592-1987
		Australia: AS1657-1985

Feature:

Appearance: simple lines. Silver exterior, modern trends.
Best drainage: leakage area of 83.3%, more than double the cast iron.
Hot-dip galvanizing: rust-proof and strong, maintenance and replacement.
Security design: box with hinged lid and connection, security, safe, easy to open.
Saving investment: large span. When overloaded, the lowest ratio of iron and saves replacement costs stolen, then crushed.
High strength: strength and toughness is much higher than cast iron, can be used for terminals, airports and other large span and heavy load environment.
Specifications and more: meet different environment and loading requirement. Span, the desired size and shape.

1. Bearing bar	25x4,25x5,,30x3,30x5,32x4.5,50x5,.....75x10mm US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc.
2. Bear Bars pitch (mm)	20, 24, 25, 30, 30.16, 30, 35, 40,60mm.
3. Cross bar pitch	30,38,50,76,100,101.6mm
4. Material	Q235,SS304
5. Surface treatment	Untreatment, hot-dipped galvanising, painted

Introduction of hot dip galvanized steel grating

1>Material:carbon steel or stainless steel

2>Cross bar pitches:maybe 24-200mm,of which 50mm,76mm and 100mm are recommended.

3>Steel grating is made by the world first-class equipment,which can arrange the bearing bar and cross bar in longitude and latitude order to certain distance.cross bar is pressed into the bearing bar by high tension resistance weldingring which is controlled by computer.so we can produce high quality gratings with firm welding,smooth surface and high strength.

4>Surface process of steel grating:Types:hot-dipped galvanized,electro-galvanized ,spraying brushing. 95% people choose hot-galvanized because its anti-acid and alkali corrosion capacity range is from PH6 to PH12.5,a stable protective film will be formed on the zinc surface.it has good anti-corrosive property.

5>Attractive appearance:Simple outline.silver colour and modern.

6>Optimum water draining:Water leakage area reaches 83.3%,which is more than two times larger than that of cast iron.

7>Hot-dip galvanizing:Good antirust performance,maintenance free and replacement free.

8>Design of preventing theft:The cover is connected with the frame by gemel,which ensures protection against theft,safety and convenient opening.

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