Factory High Quality Metal Building Materials Hot Dipped Galvanized Steel Grating

• Customization: Available
• Certification: CE, ISO
• Application: Steel Structure Walkway, Drain Cover
• Model NO.: as per customer's requirement
• Shape: I Shape, Serrated Shape, Flat Shape
• Manufacturing Method: Machine Welding
• Material: Carbon Steel, stainless Steel
• Flat Bar Size: 25X5mm
• Twisted Cross Bar Pitch: 100mm
• Flat Bar Pitch: 30mm
• Flat Bar Type: Plain
• Surface Treatment: Hot-DIP Galvanized
• Transport Package: Packed by Flat Bar
• Specification: as per customer's requirement
• Trademark: Longta
• Origin: China
• HS Code: 7308900000
• Production Capacity: Over 70, 000tons Per Year
• Package Size: 580.00cm * 100.00cm * 50.00cm
• Package Gross Weight: 400.000kg
• Lead Time: 15 days (1 - 15 Pieces) ; To be negotiated ( > 15 Pieces)

Product Description

Factory High Quality Metal Building Materials Hot Dipped Galvanized Steel Grating

Product Description

Heavy duty steel grating is a steel grating product specially developed for special load-bearing occasions.

The biggest feature of heavy steel gratings is their large load carrying capacity and the strongest impact resistance.
If there is a requirement for anti-slip effect, it is recommended to use a toothed steel grating to provide better friction.

It is the first choice for some places with large loads.

 

Product Parameters

 

Features: 

No	Item	Description
1	Bearing bar	25x5x3,32x5x3,38x5x3,50x7x4,60x7x4,...75x7x4mm
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

Standards

The products come from our factory comply to international standards: 
 

Country	Bar Grating Standard	Steel	Hot-dip Galvanizing
P.R.China	YB/T 4001.1-2019	GB/T700-2006	GB/T13912-2002
U.S.America	ANSI NAAMM MBG 531-00	ASTM (A36)	ASTM A123
U.K.British	BS 4592-1987	BS4360(43A)	BS729
Australia	AS 1657-1985	AS3697	AS 1650
Europe	EN 1090	EN 10025:1993	EN ISO 1461-1999

 

Detailed Photos

 

Company Profile

Ningbo Jiulong Machinery Manufacturing Co., Ltd is one of the largest steel grating manufacturer in China. We have 8 running lines with yearly capacity of 100, 000tons. Jiulong grating has exported to more than 30 countries. Choose Jiulong grating is your right decision! 

Manufacturing Process

Certifications

Our Advantages

 

Why Choose us(NJMM):

Establish Year: 1992

History in this field: 27 years

Main Products:

A. Steel Grating, including plain and serrated steel graing, size and specification can be produced according to customer's requirements.

B. Stair Tread: There are 8 types of treads distinguished by different nosing & way of installation.

C. Drainage Pit/Trench Cover

D. Railing & Stanchion

Total Staff: About 300, including 50 managers, 10 technical engineers.

Total Area: 25, 000 square meters and with workshop area of 18, 000 square meters.

Main Equipment: 7 press-welding machines

Management System: ISO9001: 2008

Certifications: CE/ISO9001/ OHSAS18001/ISO14001/ISO18000

Advantage: High quality, Professional engineer, and Large production Capability

Brand: Long Ta

Honor: The largest steel grating manufacturer in China with government quality prize of Zhenhai district in the year 2007

NJMM is now supply to more than 30 countries and enjoying high reputation among all of our customers.

We will try our best to satisfy our customers with top quality, good service and most competitive price.

 

FAQ

 

1. What standard can NJMM's steel grating meet?
Re: NJMM can fabricate steel grating according to the standards in different counties, such as China: YB/T4001.1-2007, USA: ANSI/NAAMM (MBG531), UK: BS4592 and so on.
2. What specification of steel grating can NJMM fabricate?
Re: NJMM can fabricate any specification of steel grating available, both in inch description and metric description.
3. What are the most commonly stocked panel sizes?
Re: The most common standard panel sizes are 3'X24',3'X20', 1000X6000mm, 1000X6100mm etc.
4. What are the most commonly stocked bar sizes? (Height and thickness)
Re: The most common bars are 1''x1/8'', 1''x3/16'', 1''x3/16'', 1''x3/16'', and 25x3, 30x3, 32x3, 25x5, 32x5, 35x5, 38x5 etc.
5. What is the difference between serrated and non-serrated bar grating?
Re: Serration is done for slip resistance. It is grating which has the top surfaces of the bearing bars notched.
6. What finishes are offered on bar grating?
Re: Bar grating comes in untreated, painted, hot dip galvanized.
7. Does NJMM do OEM?
Re: Yes.
8. How to contact us?
Re: Send your more inquiry details as below, and click " send " now.