Product Details

Specifications

We are Specialized in many kinds of Sump Cover , trench cover ,G.I drainage cover , G.I drain grate , Galvanized grate

We are one of the biggest and professional manufacturer of high quality steel grating in China .We are located in Ningbo and near to Shanghai . Ningbo Lihong Steel Grating Co.,Ltd has approved ISO9001-2000 Quality Management System and we work ISO9001-2008 that is the newest edition now. There are many regular grating customers in USA ,AUS,Kuwait, UAE, Malaysia, ,Philippine,Singapore, UK,New zealand,Tunisia ,South Africa and so on. More than 60% of products is exported to the worldwide.

Our company is specialized in manufacturing and exports all kinds of steel gratings with the best quality and competitive price and faster delivery time such as steel / mill black and hot dip Galvanizing / and stainless grating flooring walkway, platform ,steel structures, stair tread, well cover, trench cover, sump cover,compound gratings, storage shelves, ladder, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.

We produce 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)The sump cover divide into cover and base plate.Our product detail discription like as below:

Cover type G405/30/100 Bearing bar width is 40mm,thickness is 6mm,

bearing bar pitch is 30mm.Cross bar is twisted

bar 6*6mm,cross bar pitch is 100mm.The diameter

of cover is 360mm.

Base plate The diameter of base plate is 460mm.The thickness

of checkered plate is 3mm.

2) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel

3) Surface Treatment:
Untreated, Painting ,Powder coated 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: AS1657-1988
E) Japan: JJS.

Ningbo Lihong Steel Grating Co., Ltd

ISO9001-2008

STEEL GRATING SPECIALIST, YOUR GRATING SOLUTIONS

Sales Director: Mr. David Huang, TEL: +86 13757445098, +86 574 88073967, FAX: +86 574 88073962

No.	Item	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 (Mr. David Huang)
2	Bearing Bar Pitch	12.5, 15, 20, 23.85, 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. (Mr. David Huang)
3	Twisted Cross Bar Pitch	38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc (Mr. David Huang)
4	Material Grade	ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400, Mild steel & Low carbon steel, etc
5	Surface Treatment	Black, self colour, hot dip galvanized, painted, spray coating (Mr. David Huang)
6	Grating Style	Plain / Smooth, Serrated /teeth, I bar, serrated I bar (Mr. David Huang)
7	Standard	China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Germany: DIN24537-1-2006, Japan: JIS (Mr. David Huang)