hollow section 20*20*0.9mm pre galvanized square tube
Product Specification
| Outer Diameter | 15*15-150*150mm | ||||||
| Wall thickness | 0.5-6mm | ||||||
| Length | 1-12m ,according to customers'requirements, stock is 6m | ||||||
| Material | Q195, Q215 ,Q235 ,Q345, Q195-Q235 | ||||||
| Standard | ASTM A500,GBT 6728,GB T 3094 | ||||||
| Packing | 1)Big OD :in bulk 2)Small OD:packed by steel strips into bundles 3)According to the requirement of the customers. | ||||||
| Zinc Coating | Pre-:60-150g/m2 Hot Dip Galvanzied:>200g/m2 | ||||||
| Certificate | ISO 9001-2000 | ||||||
| Technique | Welded / ERW / Cold drawn | ||||||
| Product Category | Metallurgy,Mineral &Energy | ||||||
| Main Market | Middle East, Africa, Asia and some European country and America ,Australia | ||||||
| annual output | 200,000 tons | ||||||
| Remarks | 1.Payment terms :T/T deposite+B/L copy or L/C at sight | ||||||
| 2.Terms of trade :FOB ,CFR,CIF | |||||||
| 3.MOQ : 10 tons ( Can coordinate ) | |||||||
Hollow Section--GBT 6728/ASTM A500
| Size(mm) | Thickness(mm) | Size(mm) | Thickness(mm) | |||
| 10*10 | 0.6-1.0 | 20*10 | 0.6-1.0 | |||
| 12*12 | 0.6-1.0 | 25*12 | 0.6-1.0 | |||
| 16*16 | 0.6-1.2 | 38*19 | 0.6-1.5 | |||
| 19*19 | 0.6-1.5 | 50*25 | 0.6-1.5 | |||
| 20*20 | 0.6-1.5 | 50*30 | 1.0-3.0 | |||
| 25*25 | 1.0-2.75 | 60*40 | 1.5-3.5 | |||
| 30*30 | 1.0-2.75 | 75*50 | 1.5-4.0 | |||
| 32*32 | 1.0-3.0 | 80*40 | 1.5-4.0 | |||
| 38*38 | 1.0-3.0 | 100*50 | 2.0-6.0 | |||
| 40*40 | 1.0-3.5 | 100*60 | 2.0-6.0 | |||
| 50*50 | 1.0-5.0 | 100*75 | 2.0-6.0 | |||
| 60*60 | 1.0-6.0 | 120*60 | 3.0-6.0 | |||
| 63.5*63.5 | 1.0-6.0 | 120*80 | 3.0-6.0 | |||
| 70*70 | 1.5-6.0 | 125*50 | 3.0-6.0 | |||
| 75*75 | 1.5-6.0 | 125*75 | 3.0-6.0 | |||
| 80*80 | 2.0-6.0 | 150*50 | 3.0-6.0 | |||
| 90*90 | 2.0-6.0 | 150*75 | 3.0-6.0 | |||
| 100*100 | 2.3-6.0 | 150*100 | 4.0-12 | |||
| 120*120 | 4.0-6.0 | 160*80 | 4.0-6.0 | |||
| 125*125 | 4.0-6.0 | 175*100 | 4.0-12 | |||
| 150*150 | 4.0-8.0 | 200*100 | 4.0-12 | |||
| 200*200 | 6.0-12 | 200*150 | 4.0-12 | |||
| 250*250 | 6.0-12 | 250*150 | 5.0-12 | |||
| 300*300 | 6.0-12 | 300*200 | 5.0-12 | |||
| 400*400 | 6.0-12 | 400*200 | 5.0-12 | |||
![]() | square hollow section: Construction projects, civil chimneys, central air conditioning pipe,fences, greenhouse canopy |
Product Show




All items of our products and related tests as follow :
1.ERW black round pipe (ASTM A53,GB..)
2.Weld black square/rectangular pipe(ASTM A500,GB,...)
3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)
4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B,)
8.Oval pipe in galvanized and black surface
9.LTZ... special sizes pipe
10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material
11.Steel angle, Flat bar,round bar,sqaure bar,
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.

Packing: In bundle.
Loading port: Tianjin,China.
Shipment:usual length ≤5.8m by 20'GP,6m-12m by 40'GP(some sizes with 6m L can be into 20'GP).
square hollow section
Our company have all kinds of professional quality in product test technology to ensure
our product high quality.

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