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Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd., established in March 2002, is the biggest manufacturer specializing in  ERW square&rectangular tube/pipe, hollow section structure pipe, galvanized pipe and spiral welding pipe in China. Annual output reaches 5 million tons.Yuantai Derun has 59 production lines of black ERW pipe, 10 production lines of galvanized pipe and 3 production lines of spiral welding pipe. Square pipe from 20*20*1mm to 500*500*40mm, rectangular pipe from 20*30*1.2mm to 400*600*40mm,  welded pipe from 2”—60” can be manufactured. Yuantai Derun can manufacture square rectangular pipes as per the standards of ASTM A500, JIS G3466, EN10219, DIN2240, BS1387, AS1163.

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January 1993

Key team members of Yuantai Derun group began technical job in Tianjin Daqiuzhuang tube factory.

June 2002

Tianjin Yuantai Industry & Trade Co., Ltd. was founded, specialize in square, rectangular hollow steel pipe, hot galvanized welded (hot dip galvanized) square tube, the registered capital is USD 10 million.

May 2004

One of Yuantai subsidiaries Tangshan Lituo Steel Tube Co., Ltd. was established, specialize in square rectangular straight welded hollow steel pipe, registered capital is USD 10 million.

April 2005

Yuantai Steel Square Pipe Co. Ltd. was established, specialize in square welding hollow steel tube and galvanized tube, the registered is USD 2 million.

March 2010

Tianjin Yuantai Runxiang commercial trade company was established, specialize in strip steel trade, galvanized pipe agent, etc., the registered capital is USD 2 million.

March 2010

Tianjin Yuantai Derun pipe manufacturing group Co. Ltd. was formally established, marking that the production of high-frequency welded black, galvanized square pipe, spiral welded pipe, pipe logistics and pipe trade as one of the large-scale joint enterprise Yuantai Derun group was formally established, the group registered capital is USD 20 million.

March 2010

Tianjin Yuantai Derun Investment Co., Ltd. was formally established, specialize in steel pipe industry chain,lower industry mergers and acquisitions and industrial real estate development, the registered capital is USD 2 million.

August 2013

Tianjin Derun Runfeng pipe manufacturing Co. Ltd was established, specialize in hot galvanized (hot galvanizing) processing business, the registered capital is USD 8 million.

March 2015

Tianjin Yuantai Yuanda anti-corrosion insulation pipe Co., Ltd. was established, specialize in spiral welded pipe production and sales, the registered capital is USD 2 million.

August 2015

Tangshan Yuantai Derun Pipe Co., Ltd. was established, specialize in steel strip, steel pipe trade, registered capital is USD 1 million.

March 2016

Tianjin Yuantai Derun International Trade Co., Ltd was established,mainly engaged in international import and export business for Yuantai Group, registered capital is USD 2 million.

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steel grating 100mm-Steel Grating-TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD-
Steel Grating

Home >> products >> Composite Steel Structures >> Steel Grating

steel grating 100mm
steel grating 100mm
steel grating 100mm
steel grating 100mm
Surface treatment: Untreated(black), Hot-dipped galvanized, Powder coated, Electroplate, Painting, or as per customers' requirement.

Payment: T/T, L/C

Common Specification of Steel Grating

Remarks: Special Material, High Zinc Coating, and New Style can be Customized.

Material Standard

ASTM A36, A1011, A569, Q235, S275JR, Mild steel & Low carbon steel, etc

Bearing Bar
(Width x Thickness)

25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10…..100 x10mm 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

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.

Twisted Cross Bar Pitch

38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc

Surface Treatment

Untreated(black), Hot-dipped galvanized, Powder coated, Electroplate, Painting, or as per customers' requirement.

Grating Style

Plain / Smooth, Serrated / Teeth, I bar, Serrated I bar

Packing

(1) Bandage and Paperboard: Generally applies to neat steel plate;
(2) Screw Locking Method: Use 4 screw rods through the aperture of the steel grid, for high strength;
(3) Steel Pallet: Traditional export packing.

Payment Term

T/T, L/C




Steel grating is a new type of technological product that has a wide range of applications. It consists of load-bearing flat steel bars and crossbars that are arranged in a predetermined spacing and welded together to form a steel product with square-shaped grids in the middle. Steel grating is commonly used as a cover for drainage channels, as it is easy to install, lightweight, strong in load-bearing capacity, resistant to impacts, and has excellent drainage capabilities.

The steel grating drain cover is widely used in various industrial, commercial, and residential locations where there is a need to channel water, liquids, or solid waste. They are commonly used in underground parking lots, train stations, airports, and public facilities, as well as in various manufacturing and processing plants.

The steel grating drain covers are made of high-strength steel and are designed to resist heavy loads and harsh environmental conditions. They are also easy to clean and maintain, making them a cost-effective solution for many applications.

The steel grating drain covers come in various sizes, shapes, and patterns to suit different requirements and purposes. They can be customized to fit specific conditions and can be made in different materials, such as stainless steel, aluminum, or galvanized steel.


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