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Gi Square Tube

  • full quality control, meticulous and comprehensive inspection!
  • effective internal cost control, reduce expenses, and benefit customers!
  • advanced production lines, sufficient stocking, and shortened delivery time!
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GI square tube is hot dipped in zinc galvanizing process. Because the cost of galvanized square tubing is much lower than stainless steel pipe and its good performance in anti-rust resistance, prolonging the service life, gi square tube is widely used in curtain wall, machinery manufacturing and construction application, etc. 

According to the production process, galvanized steel pipe is classified hot-dip galvanized square tube and cold-galvanized square tube. Of course, galvanized steel tube could be classified by cross-sectional shape, square steel pipe and gi rectangle pipe. 

Square galvanized pipe is also an excellent material for the fabrication of chain link gates, steel-framed gates for wood and vinyl fence, and panic bar gates by most people.

Galvanized square steel pipe(mm)Galvanized rectangle steel pipe(mm)

16×16×0.4~1.5

380×380×8.0~14.010×20×0.6~1.5250×150×6~12.0
18×18×0.4~1.5400×400×8.0~14.014×21×0.6~1.5250×100×6~12.0
20×20×0.4~1.5420×420×10.0~14.015×30×1.5~1.5250×200×6~12.0
25×25×0.6~2.0450×450×10.0~14.015×38×0.6~1.5300×150×6~12.0
30×30×0.6~4.0480×480×10.0~14.020×30×0.6~2.0300×200×6~12.0
34×34×1.0~2.0500×500×10.0~14.020×40×0.8~2.0300×250×6~12.0

38×38×1.0~4.0

550×550×10.0~40.022×35×0.9~2.0400×300×8~12.0
40×40×1.0~4.5600×600×10.0~40.025×40×0.9~3.75450×200×8~12.0
44×44×1.0~4.5700×700×10.0~40.025×65×1.0~2.0450×250×8~12.0
45×45×1.0~5.0800×800×10.0~50.030×40×1.0~3.75400×300×8~12.0
50×50×1.0~5.0900×900×10.0~50.030×45×1.0~3.75400×350×8~12.0
60×60×1.5~5.01000×1000×10.0~50.030×50×1.0~4.0500×200×10~12.0

70×70×2.0~6.0


30×60×1.0~4.5500×250×10~12.0
75×75×2.0~6.0
40×50×1.0~4.5500×300×10~12.0
80×80×2.0~6.0
40×60×1.0~5.0500×350×10~12.0
85×85×2.0~6.0
40×80×1.5~5.0500×400×10~12.0
95×95×2.0~8.0
40×100×2.0~5.0500×450×10~12.0
100×100×2.0~8.0
50×60×2.0~5.0550×450×10~12.0
120×120×4.0~8.0
50×80×2.0~5.0600×200×10~28.0

150×150×6.0~10.0 


50×100×2.0~8.0600×400×10~28.0
180×180×6.0~12.0
60×80×2.0~6.0600×500×10~28.0
200×200×6.0~12.0
80×100×2.0~8.0800×400×10~28.0
220×220×6.0~14.0
120×60×2.5~10.0800×600×10~28.0
250×250×6.0~14.0
120×80×2.5~10.0800×700×10~28.0
280×280×6.0~14.0
150×100×2.5~12.01000×400×10~28.0

300×300×8.0~14.0


180×150×2.5~12.01000×500×10~28.0
320×320×8.0~14.0
200×100×4~12.01000×600×10~28.0
350×350×8.0~14.0
200×150×4~12.01000×800×10~28


File Contain

1. Composition and Mechanical properties of commonly used carbon steel alloy steel.

2. Seemless steel pipe, welded pipe, etc.

3. A series international universal series, domestic series.


Gi Square Tube.pdf

WX20200430-1444172x
Phone:+86-29-63610799
WX20200430-1456132x
Address: Building B,Greenland SOHO,Xi'an,China

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