q235 black welded square steel tubes rhs steel rectangular tube 40×60 square pipe

Short Description:

Place of Origin:Tianjin, China

Brand Name: Ehong

Section Shape:square / rectangular

Thickness:0.6 – 25 mm

Standard:ASTM A106-2006,DIN EN 10217-1-2005


Type:Hot Rolled Hollow Carbon Pipe

Product Detail

Product Tags

Product Detail

Steel Pipe and Tube1

Product Description

Product name Black square / rectangular steel pipe (tube)
Outer diameter 10*10-500*500 mm (Suqare); 

10x20--200x400mm (Rectangular)

Thickness 0.6mm to 25mm
Length 1m to 12m or as per your request
Tolerance WT +/-5%, Length +/-20mm.
Standard GB/T 3091; GB/T3094;GB/T6728; EN10219; ASTMA500; JISG3446,etc
Grade ASTM A500 A/B;EN10219 S235 S275; JIS G3466 STKR400;Q195B,Q235B,Q345B
Application construction structure, machinery making, container, hall structure, sun seeker, offshore oil field, sea trestle, motorcar cassis, airport structure, shipbuilding, automobile axle pipe and so on.
Test Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Packing (1) naked pipe shipped in container or in bulk
(2) Plastic cloth or water proof package shipped in container or in bulk
(3) according to the buyer's request
25 tons/container for pipe with usual outer diameter.
For 20" container the max length is 5.8m;
For 40" container the max length is 11.8m.
Delivery Time 10-15 days after we received your advanced deposit.
Others 1.special pipe available according to requirment

2.anti-corrosion and high-temperature resistant with blackpainting.

3.all the production process are made under the ISO9001:2000 strictly.

Remarks 1)payment term:T/T or L/C,etc .
2)trade terms:FOB/CFR/CIF
3)minimum quantity of order:5 MT
Steel Pipe and Tube2

Oiled & Varnish

Rust protection,Anti-rust oil

Color painting(Red color)

Our factory process various color painting on pipe surface accord to customer request,  passed the ISO9001:2008 quality system

Hot Dip Galvanized Coating

Zinc coat 200G/M2-600G/M2 Hanging galvanized in zinc pot Hot dip galvanized coat

Steel Pipe and Tube3

Our Factory

pipe rectangular steel tube5
pipe rectangular steel tube6

Factory Scenery

Our Factory located at Jinghai county, Tianjin,China


Our Workshop production line for square steel pipe/steel tube

pipe rectangular steel tube7
pipe rectangular steel tube8


Our Warehouse indoor and loading convenient

Packing process workshop

Waterproof package

Steel Pipe and Tube4

Packing & Shipping

1) Minimum order quantity: 5 tons

2) Price: FOB or CIF or CFR at Xin'gang port in Tianjin

3) Payment: 30% deposit in advance, the balance against the copy of B/L; or 100% L/C, etc

4) Lead Time: within 10-25 workdays normally

5) Packing: Standard seaworthy packing or as per your request .(as pictures)

6) Sample: Free sample is avaible.

7) Individual Service: can print your logo or brand name on square pipe.

Steel Pipe and Tube5

Company Information

1998 Tianjin Hengxing Metallurgical Machinery Manufacturing Co., Ltd

         Specializing in the production of kinds of steel pipe and steel coils production line, galvanizing production line, and all kinds of mechanical metallurgy components. 


2004 Tianjin Yuxing Steel Tube Co., Ltd

         since 2004, which can produce LSAW STEEL PIPE(size from 310mm to 1420mm) and all sizes of square and rectangular hollow section (size from 20mm*20mm to 1000mm*1000mm).The annual production capacity is around 100000 tons.


2008 Tianjin Quanyuxing International Trading Co., Ltd

           10 years export experience .Annual export 60,000tons USD 30,000,0000

2011 Key Success Internationl Industrial Limited

2016 Ehong International Trade Co.,Ltd        



pipe rectangular steel tube11


Q. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers need pay the courier cost. And all the sample cost will be refunded after you place the order.

Q. Do you test all your goods before delivery?
A: Yes, we would the goods test before delivery.

Q:All costs will be clear?
A: Our quotations are straight forward and easy to understand.Won't cause any extra cost.

  • Previous:
  • Next:

  • Write your message here and send it to us