1>Bearing bar pitch:30,40,60mm
2>Cross bar pitch;50,100mm

Steel case board is to use steel according to certain spacing and rail twist wring ones, the distant ones, such as, flat) cross arranged, and welding with square grid to center of a kind of steel products, steel case board is mainly used to do ditch cover and steel structure flat bedplate, steel ladder of step plate, etc. The general use of the ground after twisting ones. Steel case board general use of the carbon steel production, looks hot galvanized, can rise to prevent the oxidation of the role. Can also be made of stainless steel. Steel case board with ventilation, lighting, heat dissipation, prevent slippery, explosion-proof, such as performance.

Steel case board production standards
China, YB/T4001.1-2007 standard (China for steel case board
In 2007, the latest version of the steel case board standard); In addition to the United States, Britain, Australia and New Zealand also have their standards, can also according to the British BS4592-1-1995 and the United States ANSI/NAAMM (MBG531-88) standard production. Steel standard according to GB700-88, GB1220-92 execution.
Editor this DuanGang case board surface treatment
Hot dip galvanized, cold galvanizing, electroplating, paint, soaking rustproof oil, immersion, not processing.