Jiulong Hot DIP Galvanized Heavy Duty Steel Grating

• Jg253/30/100: 6000X993mm
• Transport Package: Packed in Seaworthy,Commonly Bundled by Steel Belt
• Specification: Yb/T4001.1-2007
• Trademark: Jiulong
• Origin: China
• Model NO.: different sizes
• HS Code: 7308900000
• Production Capacity: 50, 000 Tons / Year

Product Description

Serrated steel bar grating has better slip resistance and can also be widely used in steel structure platforms, sidewalks and drainages, compared with plain style steel grating. We can design and manufacture standard steel grating, with a width of up to 1 meter, and in customized shapes per client requirements.

Ningbo Jiulong Machinery Manufacturing Co., Ltd is the second largest steel grating manufacturer in China. We have 7 running lines with yearly capacity of 50, 000tons. Jiulong grating has exported to more than 30 countries. Choose Jiulong grating is your right decision!

Standard descriptions:
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




















1, What standard can NJMM grating meet?
NJMM can fabricate steel grating accoding 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 the steel grating can NJMM fabricate ?
NJMM can fabricate any specification of steel grating available, both in inch description and metric description.
 
3,What are the most commonly stocked panel size?
The most common standard panel sizes are 3'x24,' 3'x20', 1000x6000mm,1000x5800mm etc.
 
4, what are the most commonly stocked bar sizes(height and thickness)?
The most common bars are 1"x1/8", 1"x3/16'', 25x3, 30x3, 32x3, 25x5, 32x5, 35x5, 38x5 etc.
 
5,Is a deflection chart or load table available for bar grating?
You can learn it at our catalog.
 
6, Whatis the difference between serrated and non-serrated bar grating?
Serration is done for slip resistance. It is grating which has the top surfaces of the bearing bars notched.
 
7, What finishes are offered on bar grating?
Bar grating comes in untreated, painted, hot dip galvanized.
 
Does NJMM do OEM?
Yes.