Our company for production galvanized metal bar grating is located in Arak city . With 5000 square meters produce 5 ton/day grating . With skill full staffs and suitable facilities to produce various galvanized metal bar grating with the best quality . The company has no limitation in its production . Also we produce Grating clamps , is used to fix the grating in its installation place.
This type of grating has the highest consumption rate which is manufactured without any limitation . All of the company produced gratings have the following standards specifications :
ANSI/NAAMM MBG 531
ANSI/NAAMM MBG 532
Type of Grating
The type of grating is indicated by a letter ,
W Welded ( steel gratings only )
Bearing Bar Spacing
Bearing bar spacing is designed by a number which indicates sixteenths of an inch .
for welded or pressure-locked grating this is the distance , in sixteenths of an inch , center-to-center of bars .For riveted grating is the distance , in sixteenths of an inch , between bearing bar faces .
Cross Bar or Rivet Spacing
Cross bar or rivet spacing is designed by a number which indicates inches .For welded or pressure-locked grating this is the distance , ininches , center-to-center of cross bars . For riveted grating it is the distance in inches center-to-center of rivets , measured along a single bearing bar .
Size of Bearing Bars
The size of bearing bars is expressed in inches of depth and thichness as follows :
Steel : 3/4*1/8 – 3/4*3/16 – 1*1/8 – 1*3/16 – 1 1/4*1/8 – 1 1/4*3/16
Grating Material is designed by name, such as “steel” , ” Stainless steel” or “Aluminium” .
Electroforge grating ( resistive welding )
In this type of grating ,carrier and connector are forged together with high voltage and high pressure ( more than 100 tons ) .
Stainless Steel grating
Tis type of grating is manufactured using argon welding and steel sheet 304 . This is the most proper option for applications in hygenic environment and food industries .
It is according to ASTM A 123 with minimum thickness of 80 microns which is passed through all coating tests .