galvanised rectangular hollow section steel tube 20x30 mm
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Size
outer dimmater
10*10mm-100*100mm
length
normal size is 6m, depends on customers' requirement
wall thickness
0.45-2mm
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.
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Usage
(1) Structure, frame
(2) Construction, building
(3) Fence, door pipe
(4) Greenhouse
(5) Bridge, highway
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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
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Payment
(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
 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
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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 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.
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. Â
Product description
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Product Name
galvanised rectangular hollow section steel tube 20x30 mm
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Size
outer dimmater
10*10mm-100*100mm
length
normal size is 6m, depends on customers' requirement
wall thickness
0.45-2mm
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.
Â
Â
Â
Usage
(1) Structure, frame
(2) Construction, building
(3) Fence, door pipe
(4) Greenhouse
(5) Bridge, highway
Â
Â
Â
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
Â
Payment
(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
 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
Â
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 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.
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. Â
