Standard Black Panel

The standard black panel of Hengzhou Steel Grating, produced with high-voltage welding machine, meets the standards of YB/T4001.1-2007, and has been exported to US, Canada , Singapore . etc. It can be aslo produced in US standards ANSI/NAAMM MBG 531-00. The surface can be done with edge-packed and hot dip galvanized. The width is 1 m normally. The length can be made according to customers' requirements, or a US standard length of 24 feet(7315 mm). Anyhow, we could offer various sizes of platform plate, trench cover plate, stair treads and so on based on customers' requirements.

Product Standards

HOT GALVANIZING STANDARD: GB/T13912-2002( CHINA )

STEEL GRATINGS STANDARD: YB/T4001.1-2007( CHINA ) ， ANSI/NAAMM MBG 531-00 （ U.S.A ）

PACKING STANDARD: EXPORT ENTERPRISE STANDARD

STEEL GRATINGS MATERIAL : CARBON STEEL (Q235 CHINA )

TYPE OF MATERIAL:UNTREATED,HOT-DIP GALVANIZED

TYPE OF GRATING: OPEN END (WITHOUT END BAR), CLOSE END(WITH END BAR)

TYPE OF BEARING BAR:  SERRATED  BAR,PLAIN BAR

TYPE OF CROSS BAR:  TWISTED SQUARE BAR

PITCH OF BEARING BAR:  25,30,40,50,60,80,90MM,OF WHICH 30 AND 40MM ARE RECOMMENDED