Building Material Galvanized Serrated Steel Bar Grating for Industry Floor Trench

• Customization: Available
• Warranty: 5years
• Material: Carbon Steel
• Model NO.: wire mesh
• Application: Protecting Mesh, Construction Wire Mesh, Decorative Mesh, Steel Structure Walkway, Drain Cover, Stair Treads
• Hole Shape: Square
• Manufacturing Method: Machine Welding
• Grating Surface Treatment: Hot DIP Galvanized, Painting, Self Colour / Untrea
• Grating Steel Material: Low Carbon Mild Steel, Stainless Steel, Iron
• Grating Sizes: All Kinds of Customized Dimensions or Standard
• Transport Package: Bundles by Steel Belts in The Containers
• Specification: Customized
• Origin: Hebei, China
• HS Code: 7308900000
• Production Capacity: 300 Square Meters/Day

Product Description

Hot DIP Galvanized steel grating for floor and trench


Hot DIP galvanized steel grating has three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements. 

Technical Data Table 

Steel Grades	Low carbon steel, mild steel, stainless steel or following customer requirements
Steel standards	ASTM A36, A1011, A569, AS3679, BS4360, GB700-88, Q235B, S235JR, S275JR, SS304L, SS316L etc.
Bearing bar specifications (mm)	Flat bars: 15x2, 20 X 3 to 100 X 10, 150 x16mm etc;  I bars: 25 X 5 X 3, 32 X 5 X 3, 38 X 5 X 3, 40 X 5 X 3, 50 X 5 X 3, 50 X 7 X 4, 55 X 7 X 4, 60 X 7 X 4, 65 X 7 X 4, 70 X 7 X 4, 75 X 7 X 4mm, or customized USA types: 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 types	Plain / Smooth, Serrated /teeth, I bar, serrated I bar
Bearing bar pitch (center to center)	12.5, 15, 20, 22, 23.85, 25, 30, 30.16, 30.3, 30.45, 31, 32.5, 33, 34.3, 35, 38, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, or customized USA types: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc
Twisted square or round cross bar pitch (center to center)	30, 38, 40, 50, 60, 76, 100, 101.6, 110, 120mm etc, or customized USA types: 4'', 3'', 2'' etc
Grating types	Press welded/ webforge/ electroforge grating, press locked grating, swage grating etc
Hot dip galvanizing standards	ASTM A123, AS1650, BS729-1971, GB/T13912 etc
Surface Treatment	Nature/ mill finish, hot DIP galvanizing, painting, spraying coating or following customer requirements
Grating features	Anti-rust, durable, strong, safe, easy installation
Grating packing	Wrapped with film and straps on steel pallet packing or packed according to the customers' requirements.
Grating production standards	A) China: YB/T4001.1-2007 B) USA: ANSI/NAAMM(MBG531-88) C) UK: BS4592-1987 D) Australia: AS1657-1985 E) JIS

1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10; The specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.

2) Bearing Bar Pitch (center to center):
12.5, 15, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended,
America standard is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. >

3) Cross Bar Pitch (center to center): 
  38.1, 40, 50, 60, 76, 80, 90, 100, 101.6, 102, 135mm and so on

4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel 

5) Surface Treatment:
Untreated, Painting or Hot DIP Galvanizing

6) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS.

No.	Item	Detailed Description
1	Bearing Bar	25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm 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
2	Bearing Bar Pitch	12.5, 15, 20, 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
3	Twisted Cross Bar Pitch	38.1, 40 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc
4	Steel  Grade	ASTM A36, A1011, A569, Q235, S235JR, S275JR, SS304, Mild steel & Low carbon steel, etc
5	Surface Treatment	Black, self colour, hot dip galvanized, painted, spray coating
6	Grating Style	Plain / Smooth, Serrated /teeth, I bar, serrated I bar
7	Grating Standard	China: YB/T 4001.1-2007,   USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987,   Australia: AS1657-1985, Japan: JIS

GRATING FLAT BAR TYPES

Characteristics

Grating can load withstand repeat load impacts and have outstanding durability;
Because of big opening area, gratings have good drainage function, and can be kept hygienic;  
Easy to install and to clean;
Having corrosion resistance after galvanizing, so it is economical;  
With a wide variety and types, can select according to different occasions.

Here are some application scenarios
Our grating is widely used in petroleum and chemical plants, steel structure platform, municipal engineering, oil projects, mine industry, power and steel plant, seaport, shipyard, water and sewage treatment and so on.  





Customize services
We can produce many kinds of steel wire mesh products,if you have your own design or have specificationdrawing,we can make products as your requirement.
If you don't have any idea, please tell us where will it be using, we will give you some specification to refer,and we can provide the drawing also.

FAQ 

Q1. How can we quote for you?
Please  send  us enquiry  by email, with all  the  technical  drawings  you  have. Such  as  material  grade,  tolerance,  machining  demands,  surface  treatment, heat treatment, mechanical property requirements, etc. Our specialized engineer will check and quote for you, we would appreciate the opportunity and will respond in 3-5 working days or less. 
Q2. How can I get a sample to check your quality?
After price confirmed, you can requiry for samples to check quality.
If you need the samples, we will charge for the sample cost.
But the sample cost can be refundable when your quantity of first order is above the MOQ.
Q3. Can you do OEM for us?
Yes, the product packing can be designed as you want.
Please feel  free to contact us if you have any question.