Galvanized Industry Steel Grating Steps for Ladder

Certification: CCC, ISO
Application: Steel Structure Walkway, Drain Cover, Stair Treads, Handrails
Shape: Flat Shape
Manufacturing Method: Machine Welding
Material: Carbon Steel
Grating Specification: 19-W-4, 15-W-2, 30/100, 40/50, 60/100 and All

Products Details

Basic Info.

Model NO.
industry steel grating steps
Grating Size
3′x20′, 3′x24′, 3′x30′, 1000X1000, 1000X5800, 100
Grating Main Market
USA, Aus, UK, Kuwait, South America, Malaysia
Grating Products Scope
Steel Grating, Smooth & Serrated, Trench Cover, St
Grating Application
Industrial Platform, Flooring and Walkway, Traffic
Grating Steel Standard
ASTM A36, A1011, A569, Q235
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
Transport Package
Bundles by Steel Belts in The Containers
Specification
USA, UK, GB
Trademark
LIHONG
Origin
China
HS Code
7308900000
Production Capacity
15000ton/Year

Product Description

galvanized industry steel grating steps for ladder

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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