| Product Name |
rectangular hollow section steel tube |
Size |
outer dimmater |
10*10mm-500*500mm |
| length |
normal size is 6m, depends on customers' requirement |
| wall thickness |
0.6-25mm |
| Section shape |
Square, regtancular,round |
| Standard |
ASTMA500,ASTM A53, EN10217, EN10219, DIN10255,DIN2440,DIN2444,
BS1387,BSEN39, BS1139, JIS G3452,JIS G3444, ISO65 |
| Material |
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 customer's requirements. |
Usage |
(1) Structure, frame |
| (2) Construction, building |
| (3) Fence, door pipe |
| (4) Greenhouse |
| (5) Bridge, highway |
Package |
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 |
Payment |
(1) T/T 30% in advance, balance against copy of B/L. |
| (2) 100% irrevocable L/C at sight. |
Production proces
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
- Non-Residential construction: commercial and industrial construction, signage
- Residential construction: structural frames
- Transport truck and trailer chassis, caravan chassis
- Government applications(bus shelters, park seating)
- Rural: tillage implements, livestock handling (fence panels)
- Manufacturing: lifting equipment, gym equipment
- 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 headquartersn 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 export's window, Tianjin Shengteng Internatinal Trading Co.,LTD ,
manily exporting the factory's 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.
Application
FAQ
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.
Audited Supplier 
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