Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

Square & Rectangular Galvanized Pipe

Our company is a professional manufacturer of galvanized steel pipe, welded pipe, square tube and galvanized steel coils. 

Best quality, reasonable price, on time delivery and super service. 
We can provide many specification productions according to your requirement. 
If you are interested in some of them, please don't hesitate to contact with. 
It is my appreciate to receive your require. 


Galvanized steel pipe SHS RHS 
1 Material grade:Q195/Q235 S235JR S355JR 
2 Standards :GB/BS 

Square & Rectangular Galvanized Pipe

Galvanized steel pipe SHS RHS

Square & Rectangular Hollow Section/ Tube/ Pipe


1 .Material grade:Q195/ Q235/ S235JR/ S355JR
2 Standards :GB/BS
3 specification:10*210-200*200


4. Length: standard 6m/ 12m  or as customer's requirement


5. Zinc Coating:  Three following kinds


Pre-galvanized:  60 80 120g/m2


Blowing galvanized ( Standard, also most popular):

25-35um 180g-250g/m2

Crane Galvanized ( thick zinc coating ): over 50um 350g/m2


Chemical and mechanical  Analysis


Grade Chemical Composition (%) Mechanical Property
 GB C Si Mn P S Yield Strength (N/mm2)/(Mpa) Tensile Strength (N/mm2)/(Mpa) Elongtation (%)
Q195 ≤0.12 ≤0.30 ≤0.50 ≤0.035 ≤0.040 ≥195 315-430 ≥33
Q235B ≤0.20 ≤0.35 ≤1.40 ≤0.045 ≤0.045 ≥235 370-500 ≥26
Q345B ≤0.20 ≤0.50 ≤1.70 ≤0.035 ≤0.035 ≥345 470-630 ≥20
Q420B ≤0.20 ≤0.50 ≤1.70 ≤0.035 ≤0.035 ≥420 520-680 ≥19
ASTM A500                
Grade A ≤0.26   ≤1.35 ≤0.035 ≤0.035 RST≥230/SST≥270 RST≥310/SST≥310 RST≥25/SST≥25
Grade B ≤0.26   ≤1.35 ≤0.035 ≤0.035 RST≥290/SST≥315 RST≥400/SST≥400 RST≥23/SST≥23
Grade C ≤0.23   ≤1.35 ≤0.035 ≤0.035 RST≥315/SST≥345 RST≥425/SST≥425 RST≥21/SST≥21
Grade D ≤0.26   ≤1.35 ≤0.035 ≤0.035 RST≥250/SST≥250 RST≥400/SST≥400 RST≥23/SST≥23
C250 ≤0.25 ≤0.40 ≤0.040 ≤0.040 ≥260 ≥410 ≥22
C300 ≤0.25 ≤0.50 ≤1.50 ≤0.040 ≤0.040 ≥320 ≥440 ≥22
C350 ≤0.22 ≤0.50 ≤1.50 ≤0.040 ≤0.040 ≥360 ≥480 ≥20
C400 ≤0.22 ≤0.50 ≤1.50 ≤0.040 ≤0.040 ≥400 ≥520 ≥20

We Also could do more deep processment expcet galvanized

Surface treatment

Paingting or punching or as customer's requirement


 Frame, mechanical parts ,handrails ,windows ,curtain walls and so on


Sea worthy packing(in bundles wrapped with steel strip)

Transaction terms

On FOB terms or as you required CFR or CIF



Payment terms



1.competitive price with prime quality

2.large inventory guarantee fast delivery

3.sincere service and welcome your visiting to our warehouse and company

If you are interested in some of them. Pls, no hesitate to contact me. 


Square & Rectangular Galvanized Pipe SHS RHS

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