Medium Zinc Z120 Black Coated Galvanized Square Tube Q235B 20x20-200x200mm for Outdoor Fencing
Parameter of Carbon Square And Rectangular Tubes
|
Standard |
ASTM/GB/JIS/EN Standard GB/T6728-2002,GB/T6725-2002,GBT3094-2000,JG178-2005,ASTMA500,JIS G3466,EN10210 etc. |
|
Diameter |
Square pipe:10*10mm-600*600mm Rectangular pipe:20*40mm~400*700mm |
|
Thickness |
Square and rectangular pipe:0.5~20mm |
|
Length |
Fixed lengthin 6-12m or as per specified |
|
Standard |
Hollow section:ASTM A500,EN10219,EN10210,JIS3466,GB/T 6728 |
|
Material |
Gr.A,Gr.B,Gr.C;S235,S275,S355;A36,SS400;Q195,Q235,Q345,etc. |
|
Finish of pipe |
Hot dipped galvanized with zinc 220~260g/m2;Pre-Galvanized with zinc 30-150g/m2 Oil on the surface to prevent rust; |
|
Pipe End |
Plain end/Bevel end;Groove end,Joint with flange; |
|
Marking |
As per client requirement or mill standard Painting method:Spray white paint |
|
Packing |
OD not less than 273mm:Loosepacking,piece by piece. small sizes nested into big sizes. |
|
Applications |
Construction/building materials steel pipe Steel structure Scaffolding pipe Fence post steel pipe Fire protection steel pipe Low pressure liquid,water,gas,oil,ine pipe rrigation pipe |
|
Rectangular Steel Pipe |
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|
L1 (mm) |
L2(mm) |
Thickness(mm) |
L1 (mm) |
L2(mm) |
Thickness(mm) |
|
18 |
10 |
0.4-0.8 |
150 |
80-100 |
3.0-14.0 |
|
20 |
8-14 |
0.4-2.0 |
160 |
80-130 |
5.0-16.0 |
|
25 |
12-20 |
0.5-1.5 |
175 |
100-150 |
5.0-20.0 |
|
30 |
10-20 |
0.5-2.5 |
180 |
80-150 |
3.0-20.0 |
|
38 |
25 |
0.7-1.5 |
200 |
80-160 |
3.0-20.0 |
|
40 |
10-30 |
0.7-3.75 |
220 |
120-200 |
3.0-25.0 |
|
45 |
20 |
1.5-4.0 |
250 |
100-225 |
4.0-25.0 |
|
50 |
10-40 |
0.6-4.0 |
260 |
90-175 |
6.0-25.0 |
|
60 |
20-40 |
0.6-5.0 |
280 |
120-240 |
6.0-25.0 |
|
70 |
20-50 |
1.0-6.0 |
300 |
100-250 |
4.0-24.0 |
|
75 |
50-45 |
2.0-8.0 |
310 |
210 |
7.0-25.0 |
|
80 |
40-60 |
0.7-0.8 |
320 |
200 |
7.0-25.0 |
|
90 |
50-60 |
2.0-8.0 |
350 |
150-300 |
7.0-25.0 |
|
100 |
20-80 |
1.0-9.0 |
360 |
200-350 |
7.0-25.0 |
|
110 |
60-75 |
3.0-10.0 |
400 |
150-300 |
7.0-25.0 |
|
120 |
60-100 |
3.0-14.0 |
450 |
150-350 |
7.0-25.0 |
|
125 |
90-100 |
3.0-14.0 |
450 |
150-350 |
7.0-25.0 |
|
130 |
120 |
3.0-14.0 |
600 |
200 |
8.0-25.0 |
|
140 |
80 |
3.0-10.0 |
|
|
|
The detailed specification of Pre galvanized hollow section:
|
Square Hollow Section(SHS) |
WT |
Rectangular |
WT |
|
16*16 |
0.8-1.5 |
20*40 |
0.8-2.0 |
|
19*19 |
0.8-2.0 |
25*50 |
0.8-2.0 |
|
20*20 |
0.8-2.0 |
30*40 |
0.8-2.0 |
|
25*25 |
0.8-2.0 |
30*50 |
0.8-2.0 |
|
30*30 |
0.8-2.0 |
37*57 |
0.8-2.0 |
|
32*32 |
0.8-2.0 |
40*60 |
0.8-2.0 |
|
35*35 |
0.8-2.0 |
37*77 |
0.8-2.0 |
|
38*38 |
0.8-2.0 |
25*75 |
1.0-2.0 |
|
40*40 |
0.8-2.0 |
40*80 |
1.0-2.2 |
|
50*50 |
0.8-2.0 |
50*100 |
1.0-2.2 |
|
60*60 |
1.0-2.2 |
50*75 |
1.0-2.2 |
|
80*80 |
1.0-2.2 |
38*75 |
1.0-2.2 |
|
100*100 |
1.0-2.3 |
50*75 |
1.0-2.2 |
Features of Pre-Galvanized Rectangular Tubes
- Boasts superior structural stability. The rectangular cross-section design ensures stellar performance under axial pressure, lateral loads, and torque. Unlike circular pipes, rectangular tubes offer higher moment of inertia and section modulus in targeted directions, delivering stronger defense against bending and torsional deformation.
- Features top-tier anti-corrosion performance. The surface zinc layer acts as a reliable protective shield. Whether in harsh special settings or normal atmospheric environments, galvanized rectangular steel tubes maintain structural solidity and working efficiency for longer, effectively extending service life.
- High-precision production techniques guarantee exceptional dimensional accuracy. Key parameters including side lengths, wall thickness, and diagonal lengths are held to ultra-tight tolerances. With perfectly squared corners and a straight, uniform tube body, the products meet strict quality standards.
- Standardized processing preserves the integrity of the zinc coating. Processed tubes retain excellent anti-corrosion capabilities, making on-site construction and custom fabrication hassle-free.
- With unique structural strengths, outstanding corrosion resistance, and great workability, galvanized rectangular steel tubes are a go-to choice across numerous industries and fields.
Industries Using Ste
