SKYPE   mzeony

Bar grating is made by the world first-class Italian ORSOGRIL equipment .which can arrange the bearing bar and cross bar in longitude and latitude order to certain distance .Cross bar is pressed into the bearing bar by high tension resistance weldingring which is controlled by computer ,So we can produce high quality gratings with firm welding ,smooth surface and high strength.
Classification: Raised (Standard, Regular)and Flattened

Surface Process of Gratings

1.Normally ,Hot galvanizing will be carried out after end welding process , When the thickness of bearing bars is not less than 5mm,the weight of average Zinc Layer will not be less than 610g/m2 .When the thickness of bearing bars is less then 5mm,the weight of average Zinc Layer will not be less than 460g/m2 . The quailty and requirements after hot galvanizing are subject to the standards of GB/T 13912. 2.To gain protection layer through the ways of spraying,brushing and soaking.

Surface Process of Gratings

1.Normally ,Hot galvanizing will be carried out after end welding process , When the thickness of bearing bars is not less than 5mm,the weight of average Zinc Layer will not be less than 610g/m2 .When the thickness of bearing bars is less then 5mm,the weight of average Zinc Layer will not be less than 460g/m2 . The quailty and requirements after hot galvanizing are subject to the standards of GB/T 13912. 2.To gain protection layer through the ways of spraying,brushing and soaking.