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! 

Type of Stiar tread:


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