Product description
Product Name
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rectangular hollow section steel tube 20×30 mm
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Size
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outer dimmater
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10*10mm-500*500mm
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length
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normal size is 6m, depends on customers requirement
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wall thickness
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0.6-12mm
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Section shape
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Square, regtancular,round
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Standard
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ASTMA500,ASTM A53, EN10217, EN10219, DIN10255,DIN2440,DIN2444,
BS1387,BSEN39, BS1139, JIS G3452,JIS G3444, ISO65 |
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Material
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Q195/Q235/Q345/A53 GR A,B/SS400/STK400/S235/S275 etc
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Surface Treatment
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Pre dipped (Zn Coating 30-40g/m2) Paint oil; Varnish; Hot galvanized; Cold galvanized;
Galvanize the raw strip steel; Or according to customers requirements. |
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Usage |
(1) Structure, frame
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(2) Construction, building
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(3) Fence, door pipe
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(4) Greenhouse
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(5) Bridge, highway
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Package |
Usually Plain ,But Can Be Beveled Or By Your Choice
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(1) Bundle
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(2) Bundle with PVC wrapped
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(3) Loose pieces & nested
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(4) As customers requirement
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Payment
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(1) T/T 30% in advance, balance against copy of B/L.
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(2) 100% irrevocable L/C at sight.
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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
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
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.