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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.

Circular Hollow Section

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Circular Hollow Section

DescriptionStandards: BS, GB, BS EN 10297, BS EN10025, BS EN10217, BS EN10219, BS EN10296, GB/T 13793-1992, GB/T 14291-2006Grade: Q195-Q345, Q195, Q215, Q235Thickness: 0.8 - 18mm (SCH30, SCH40, STD, XS, SCH80, SCH160, XXS)Section shape: roundOuter diameter:1/2-18” (20-457mm)Application: structure pipeTechnique: ERWAlloy or not: non-alloyEnds: plain ends/threading ends/bevelledPacking: bundles/PVC cover bundleUsages: conveying gas, structural steel pipes purpose

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High quality cheap price Hot Rolled coil

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We have stocks of various grades of carbon steel coil and support third-party inspections. China-leading supplier of carbon steel coil, factory wholesale price is low.

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Industrial square steel pipe supplier

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Yuantai Derun Steel Pipe Manufacturing GroupProduct Specifications:Outer diameter: 1010-12001200mm, customization is acceptable.Wall thickness: 0.5-60mm, customization is acceptable.Length: 0.5-26.5M, can be cut according to demand.Tolerance: ±5% or as required.Minimum Order Quantity (MOQ): 2-5 ton

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ERW welded carbon steel pipe United Arab Emirates

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What isERW pipe? Can you distinguish between seamless pipe and welded pipe?1. Distinguish from the appearance:(1) First check whether there are welds and bulges on the inner and outer surfaces.If it is a steel pipe without surface coating, first check the inner and outer surfaces of the steel

Wholesale GI Pipe

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Product Specification：SpecificationOuter Diameter13-266.6mmThickness0.5-2.5mmLength1-12mTechniqueGi pipe pre-galvanized pipeor hot dipped galvanizedSteel gradesQ195, Q235, Q355ApplicationUsed For Structure, Accessorize And ConstructionPackagein the bundle, or wrapped with waterproof cloth as

EN10219 S355J2H LSAW Pipe supplier Asian

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Product details:Product nameEN10219 S355J2H LSAW Pipe Supplier AsianMaterialQ195-A~Q275-A Q195B~Q275B 10# ~75# 16Mn, 5MnV, 09MnV 40Cr,30CrMnSi,45Mn2,40MnB, ASTM A53 A36, A106,API 5L A106 Gr.B etcSurfaceCoated/galvanized/blackTechniqueHot rolled/cold rolled /cold drawn /seamless/erwDimensionOuter Dia

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hot rolled coil Malaysia

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Product Details:Size20*20-500*500mm or as the requirement, large size steel tube above 500*500 can be produced.Thickness1.3-40mm or as the requirementLength5.8m/6m/12m or as the requirementSteel gradesASTM A500, ASTM A501, BS 1387, EN10219, EN10210, ASTM A53, JIS G3466,GB/T9711, GB/T3094, GB/T

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cold rolled pipe-Square and Rectangular Steel Tube-TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD-
Square and Rectangular Steel Tube

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Home >> products >> Steel Pipe & Steel tube >> Square and Rectangular Steel Tube

cold rolled pipe
cold rolled pipe
cold rolled pipe
cold rolled pipe
cold rolled pipe

Outer Diameter:19*19-500*500mm,20*30-400*600mm
Wall Thickness:1.3-40mm
Length: 5.8m, 6m, 11.8m, 12m or as the customer's requirement

Product Details:

Product Name

Cold rolled steel tube

Out Diameter

19x19mm-500x500mm, 20x30mm-400x600mm

Wall Thickness

1.3mm-40mm

Length

5.8m,6m,11.8m,12m, or any length the customer requires

Steel Grade

Q195-Q355, S195-S355, Gr.A, Gr.B, Gr.C, etc.

Standard

ASTM A500, EN10210, EN10219, GB/T 6728-2016, AS1163, etc.

Technology

ERW

Surface treatment

Hot dipped galvanized

Straightness

According To Standard

Oval Rate

According To Standard

Packing

Fixed By 6-8 GI steel straps in the bundle or wrapped by plastic bags

Mark

Black ink mark, Embossing

Deep Processing

Punching, Flattening, Bending, Welding, Normalizing, Annealing, Painting

Application

Post, Fence, Pole, greenhouse, scaffolding, support, fencing, conduit

Tensile Strength

According To Standard

Yield Strength

According To Standard

Elongation

According To Standard

Storage

Dry, clean, and cover, the inside of the warehouse against rainy

Loading/unloading

Safety, lightly, seriously, protected by helmet & hand gloves

Payment

T/T, L/C, or as discussion

Delivery time

7-30days （as per size and quantity）after receiving the down payment or L/C



The production process of the cold-rolled square rectangular tube is as follows:

Material selection—material inspection—material warehousing—extrusion molding—annealing—straightening—heat treatment—mechanical performance inspection—chemical analysis—tensile test—inspection—cutting to length—honing—end processing—finished product warehousing—finished product reprocessing Inspection - finished product delivery


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TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD

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