Plain Type Steel Grating,port Steel Grating Stair Treads Supplier,port Steel Grating Stair Treads port Steel Grating Stair Treads Supplier port Steel Grating Stair Treads QUALITY STANDARDS GratingStandard Material Standard HDGStandard China YB/T4001-2007 GB704-88 GB/T13912-92 U.S.A ANSI/NAAMM ASTM (A36) ASTM (A123) British BS4592-1995 BS4360 (43A) BS729 Australia AS1657-1992 AS3679 AS1650 SPECIFICATIONS Grade CN: Q235, Q345, USA: A36, UK: 43A Certification CE, GOST, ISO9001, ISO14001, HSE Bearing bar type Plain, Serrated (tooth-like), I bar (I section), Serrated-I Bearing bar size 20X5,25X3,25X4,25X5,30X3,30X4,30X5,32X3,32X5,40X5,50X475X8,100X8mm, etc Bearing bar pitch 20,25,30,32.5,34.3,40,50,60,62,65mm Cross bar size 5X5, 6X6, 8X8mm (twisted bar)/5, 6, 8mm ( round bar) and etc Cross bar pitch 0, 50, 60, 65, 76, 100, 101.6, 120, 130mm, etc. Panel size 1mx1m3x20ft,3x24ft,3x30ft,5800x1000,6096x1000,6400x1000, as request Surface Untreated, hot dip galvanized, cold dip galvanized, painted, powder, electrostatic coating Steel Grating Color Silver/Black, painted color as required Application petroleum and chemical, port, power, transportation, papermaking, medicine, steel and iron, food, municipality, real estate, electric power plants, oil Hot dip galvanized, Untreated, Painting, Electrostatic spraying |