Standard Steel Gratings In China

Shuangyi are professional steel grating manufacturers in China.The steel grating standard is usually made of carbon steel. The outer hot galvanizing can prevent oxidation. It can also be made of stainless steel. The steel grating plate has ventilation, lighting, heat dissipation, anti-skid, explosion and other properties. The grille plate surface can be punched to increase anti-skid performance. Flat steel can also be made of I-type flat steel.

Production standards
China's YB4001-1991, YB/T4001-1998, YB/T4001.1-2007 standards (China is the latest version of the steel grille standard in 2007); in addition, the United States, Britain, Australia and New Zealand have their own standards, but also in accordance with the British BS4592-1-1995 and the United States ANSI/NAAMM (MBG531-88) standards. Steel standards are implemented according to GB700-88 and GB1220-92. .
There are two ways to manufacture grille plates: machine press welding and hand making.

We also supply serrated steel flat bar,if you want to know more information,contact us.