Model NO.: black serrated steel grating
Grating Standard: ANSI/Naamm(Mbg531-88), BS4592-1987, Yb/T4001-2002
Grating Company: ISO9001-2008
Grating Surface Treatment: Hot DIP Galvanized, Painting, Self Colour / Untrea
Grating Steel Material: Low Carbon Steel, Mild Steel, Stainless Steel
Trademark: LIHONG
Transport Package: Bundles by Steel Belts in The Containers
Specification: USA, UK, GB
Origin: China
HS Code: 12345678
black serrated steel grating for construction projectsHot DIP galvanized metal grating has three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating and IÂ Bar 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 x 3 to 100 x 10; The specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, 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 are recommended,
America standard is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. >
3) Cross Bar Pitch (center to center):Â
  38.1, 40, 50, 60, 76, 80, 90, 100, 101.6, 102, 135mm and so on
4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel
5) Surface Treatment:
Untreated, Painting or Hot DIP Galvanizing
6) 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. | Item | Detailed Description |
1 | Bearing Bar | 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc; IÂ bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc US standard: 1' 'Â x3/16' 'Â , 1Â 1/4' 'Â x3/16' 'Â , 1Â 1/2' 'Â x3/16' 'Â , 1' 'Â x1/4' 'Â , 1Â 1/4' 'Â x1/4' 'Â , 1Â 1/2' 'Â x1/4' 'Â , 1' 'Â x1/8' 'Â , 1Â 1/4' 'Â x1/8' 'Â , 1Â 1/2' 'Â x1/8' 'Â etc |
2 | Bearing Bar Pitch | 12.5, 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 etc |
3 | Twisted Cross Bar Pitch | 38.1, 40 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc                                                   |
4 | Steel  Grade | ASTM A36, A1011, A569, Q235, S235JR, S275JR, SS304, Mild steel & Low carbon steel, etc |
5 | Surface Treatment | Black, self colour, hot dip galvanized, painted, spray coating   |
6 | Grating Style | Plain / Smooth, Serrated /teeth, I bar, serrated I bar                                                         |
7 | Grating Standard | China: YB/T 4001.1-2007,   USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987,   Australia: AS1657-1985, Japan: JIS                                               |
ISO 9001-2008 &Â SGS COMPANY, GRATING SPECIALIST, YOUR GRATING SOLUTIONS! MR. DAVID
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Contact Information:
Sales Director: David Huang
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