Plain steel grating is one of the most widely used steel gratings. The bearing bar comes in the form of a plain surface flat bar, commonly used for platforms, trench gratings, and stair treads, etc.Features:1) Bearing bar specification: 20 x 3 to 100 x 62) Bearing bar pitch: 12.5, 15, 30, 40, 60mm etc, also be according to client's requirement and 30, 40, 60mm are recommended3) Cross bar pitch: 38, 50, 76, 100mm, also be according to client's requirement and 50, 100mm are recommended4) Material: Mild steel or stainless steel5) Surface treatment: Untreated, painting or hot dip galvanizing6) Steel Grating Standards:A) China: YB/T4001-1998B) USA: ANSI / NAAMM (MBG531-88)C) UK: BS4592-1987D) Australia: AS1657-1985
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bar grating