China Galvanized Steel Grating Drain Steel Grating Steel Grating Treads

galvanized steel grating for steel structure floor
Ningbo Lihongyuan Steel Grating Co., Ltd is aleading professional manufacturer of steel grating, stair treads, handrails, trench grating, grating clips, cable trays in China and 75% of grating is rSignal Filter egularly exported to USA, AUS, Kuwait, Chile, Singapre, Indonesia, Africa, UK and so on. Our grating always have agood reputation in the world.Hot DIP galvanized steel grating has three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating and IBar Type Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements.1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x3 to 100 x10; The specification of I-section type is 25 x5 x3, 32 x5 x3, 38 x5 x3, 40 x5 x3, 50 x5 x3, 50 x7 x4, 55 x7 x4, 60 x7 x4, 65 x7 x4, 70 x7 x4, 75 x7 x4, etc.2) Bearing Bar Pitch (center to center):
12.5, 15, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm aBoiler & Furnace re recommended,
America standard is available <1'' x3/16'', 11/4'' x3/16'', 1-1/2'' x3/16'', 1'' x1/4'', 1-1/4'' x1/4'', 11/2'' x1/4''(19-w-4) and so on. >3) Cross Bar Pitch (center to center):
38.1, 40, 50, 60, 76, 80, 90, 100, 101.6, 102, 135mm and so on4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel5) Surface Treatment:
Untreated, Painting or Hot DIP Galvanizing6) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS.No.ItemDetailed Description1Bearing Bar25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc; Ibar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc
US standard: 1' 'x3/16' ', 11/4' 'x3/16' ', 11/2' 'x3/16' ', 1' 'x1/4' ', 11/4' 'x1/4' ', 11/2' 'x1/4' ', 1' 'x1/8' ', 11/4' 'x1/8' ', 11/2' 'x1/8' 'etc2Bearing Bar Pitch12.5, 15, 20, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc
US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc3Twisted Cross Bar Pitch38.1, 40 50, 60, 76, 80, 100, 101.6, 120mm, 2' '& 4' 'etc4SteelGradeASTM A36, A1011, A569, Q235, S235JR, S275JR, SS304, Mild steel &Low carbon steel, etc5Surface TreatmentBlack, self colour, hot dip galvanized, painted, spray coating6Grating StylePlain /Smooth, Serrated /teeth, Ibar, serrated Ibar7Package & Conveyance Grating StandardChina: YB/T 4001.1-2007,USA: ANSI/NAAMM(MBG531-88),
UK: BS4592-1987,Australia: AS1657-1985, Japan: JISISO 9001-2008 &SGS COMPANY, GRATING SPECIALIST, YOUR GRATING SOLUTIONS! MR. DAVID