Plain Black Steel Gratings for Floor, Drainage, Manhole Cover, Grate, Platform (JG325/30/100)

• Steel Grating Standard: Yb/T4001.1-2007, ANSI/Naamm, Bs4592, As1657
• Steel Material Standard: Q235, ASTM(A36), Bs4360(43A), As3679
• Hot-DIP Galvanized Standard: GB/T13912-2002, ASTM(A123), Bs729, As1650
• Flat Bar or Bearing Bar: 20x3mm to 150x8mm
• Bearing Bar Pitch(Center to Center): 12.5, 15, 30, 34, 40, 60mm etc
• Cross Bar Pitch(Center to Center): 38, 50, 76, 100, 101.6mm etc
• Model NO.: JG325/30/100
• Panel Size: According to Client′s Requirement
• Transport Package: packed by steel bar
• Specification: 5800mmX995mm
• Trademark: Longta
• Origin: China
• HS Code: 7308900000
• Production Capacity: 50, 000 Tons / Year

Product Description

Our Ningbo Jiulong have three kinds of steel gratings distinguished by different bearing bar types.
 

Ningbo Jiulong Machinery Manufacturing Co., Ltd is one of the 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! 



Features: 
1) Bearing bar specification: 20 x 3 to 100 x 6 

2) Bearing bar pitch: 12.5, 15, 30, 40, 60mm etc, also be according to client's requirement and 30, 40, 60mm are recommended 

3) Cross bar pitch: 38, 50, 76, 100mm, also be according to client's requirement and 50, 100mm are recommended 

4) Material: Mild steel or stainless steel 

5) Surface treatment: Untreated, painted or hot-DIP galvanized 

6) Steel Grating Standards: 
A) China: YB/T4001-1998 
B) USA: ANSI / NAAMM (MBG531-88) 
C) UK: BS4592-1987 
D) 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.