Factory Price Heavy Duty Galvanized Serrated Bar Steel Grating

grating steel
Nanjing HuaShi metalwork Co., Ltd is aleading professional manufacturer of Scaffolding,Formwork,steel grating, stair treads, handrails, trench grating, grating clips, cable trays in China.And 75% of grating is regularly 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.
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.
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 are 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. >
38.1, 40, 50, 60, 76, 80, 90, 100, 101.6, 102, 135mm and so on
Mild Steel (Low Carbon Steel) or Stainless Steel
Untreated, Painting or Hot DIP Galvanizing
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 Ibar7Grating StandardChina: YB/T 4001.1-2007,USA: ANSI/NAAMM(MBG531-88),
UK: BS4592-1987,Australia: AS1657-1985, Japan: JIS
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