Square Tube/Shs Rectangular Large Diameter Std Steel Pipe Price

Factory Standrad
Transport Package
PVC Packing
Thickness: 0.6-15mm Outer Diameter: 12*12-500*500
Being supported by an innovative and experienced IT team, we could present technical support on pre-sales & after-sales service for Square Tube/Shs Rectangular Large Diameter Std Steel Pipe Price, The product will supply to all over the world, such as: Sierra Leone, Bandung, Southampton, Ensuring high product quality by choosing the best suppliers, we have also implemented comprehensive quality control processes throughout our sourcing procedures. Meanwhile, our access to a large range of factories, coupled with our excellent management, also ensures that we can quickly fill your requirements at the best prices, regardless the order size.

Product description


Product Name
rectangular hollow section steel tube 20×30 mm
outer dimmater
normal size is 6m, depends on customers requirement
wall thickness
Section shape
Square, regtancular,round
ASTMA500,ASTM A53,  EN10217, EN10219,   DIN10255,DIN2440,DIN2444,
BS1387,BSEN39, BS1139, JIS G3452,JIS G3444,   ISO65
Q195/Q235/Q345/A53 GR A,B/SS400/STK400/S235/S275 etc
Surface Treatment
Pre dipped (Zn Coating 30-40g/m2) Paint oil; Varnish; Hot galvanized; Cold galvanized;
Galvanize the raw strip steel; Or according to customers requirements.


(1) Structure, frame
(2) Construction, building
(3) Fence, door pipe
(4) Greenhouse
(5) Bridge, highway


Usually Plain ,But Can Be Beveled Or By Your Choice
(1) Bundle
(2) Bundle with PVC wrapped
(3) Loose pieces & nested
(4) As customers requirement
(1) T/T 30% in advance, balance against copy of B/L.
(2) 100% irrevocable L/C at sight.

Production process

Product detail display

                                   ERW HOLLOW SECTIONS(SHS, RHS&CHS).
the bending process after the
It used the hot rolled stnp or sheet for the blank shape by
frequency welding as a Square, Rectangular& Circular cross-section made of steel shapes
and sizes
                                    LSAW HOLLOW SECTIONS(CHS)
Used the cut deal as raw material, the steel plate in the molding machine press(volume)into
the tube, using double-sided submerged arc welding and expanding into the production
Standards and Materials
EN10210/EN10219(S275J0H, $355JRH, S355J0H, $355J2H) ASTM A500(Gr B, Gr C). JIS
G3466(STKR400, STKR490)etc.
Hot finished hollow section
EN10210 standard or the customer need the heat treatment, cold formed hollow sections
with subsequent heat treatment to obtan the properties

Product application

  1.  Non-Residential construction: commercial and industrial construction, signage
  2.  Residential construction: structural frames
  3.  Transport truck and trailer chassis, caravan chassis
  4.  Government applications(bus shelters, park seating)
  5.  Rural: tillage implements, livestock handling (fence panels)
  6.  Manufacturing:  lifting equipment, gym equipment
  7.  Mining: conveyor equipmen

Quality inspection


Packaging and transportation
Usually Plain ,But Can Be Beveled Or By Your Choice
(1) Bundle

(2) Bundle with PVC wrapped

(3) Loose pieces & nested

Our company

    Tianjin Jinxinbao Mental Surface Treatment Co.,LTD .We were founded in 2012, with the headquarters
location at the larges twelded pipe production based in china-Yangjiayuan Town,Tianjin city,which is the
most professional manufactuer of galvanized steel products in this area. There have total 6 galvanized
production lines ,about 200 employees and  annual production morethan 200000 tons .
    In the 2016, in order to meet client requirements, we built a after-processing factory, whose named is
Tianjin Baojing New Energy Technology Co.,LTD , which produced all kinds of customized products and
sucessful supply for many PV projects .

    As the exports window, Tianjin Shengteng Internatinal Trading Co.,LTD , manily exporting the factorys
galvanized steelproducts, especially galvanized steel pipe ,square and rectangular steel tube, seamless
steel pipe ,ERW steel pipe, galvanizedsteel coil/sheets ,scaffolding steel props, PV mounting system .
    In the past ,we get good feed back from old clients, and we will more fouce on the quality and improve
the service to thankful each client in the future.


Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?
A: Generally it is 20 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,
it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.