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Galvanized Coated Stairs by Steel Grating

Payment Type: L/C, T/T

Product Description



Grating Specification: 19-W-4, 15-W-2, 30/100, 40/50, 60/100 and All


Grating Main Market: USA, Aus, UK, Kuwait, South America, Malaysia


Grating Application: Industrial Platform, Flooring and Walkway, Traffic


Grating Standard: ANSI/Naamm(Mbg531-88), BS4592-1987, Yb/T4001-2002


Grating Surface Treatment: Hot DIP Galvanized, Painting, Self Colour / Untrea


Trademark: LIHONG


Specification: USA, UK, GB


HS Code: 7308900000




Grating Size: 3′x20′, 3′x24′, 3′x30′, 1000X1000, 1000X5800, 100


Grating Products Scope: Steel Grating, Smooth & Serrated, Trench Cover, St


Grating Steel Standard: ASTM A36, A1011, A569, Q235


Grating Company: ISO9001-2008


Grating Steel Material: Low Carbon Steel, Mild Steel, Stainless Steel


Transport Package: Bundles by Steel Belts in The Containers


Origin: China


galvanized coated stairs by steel grating





Ningbo Lihongyuan Steel Grating Co., Ltd is a leading professional manufacturer of 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 a good 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 I 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):

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; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc
US standard: 1' ' x3/16' ' , 1 1/4' ' x3/16' ' , 1 1/2' ' x3/16' ' , 1' ' x1/4' ' , 1 1/4' ' x1/4' ' , 1 1/2' ' x1/4' ' , 1' ' x1/8' ' , 1 1/4' ' x1/8' ' , 1 1/2' ' x1/8' ' 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 & SGS COMPANY, GRATING SPECIALIST, YOUR GRATING SOLUTIONS! MR. DAVID

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Contact Information:

Sales Director: David Huang

Mobile: 0086 137 57445098

Office Call: 0086 574 88073967

FAX: 0086 574 88073962

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Product Categories : Stair Treads