Tianjin supplier of carbon square tube with high quality
Product Specification
| Outer Diameter | 20*10-400*600mm | ||||||
| Wall thickness | 0.8-12mm | ||||||
| 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 | |||
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.
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface..
Five Promises:
1.Quality: Strictly control the quality through three levels. First level, quality test on the producing line. Second level, quality test during warehousing. Third level, quality test before loading.
2.Timeliness: 24 hours online.Provide consulting and quotation services for customers all the time.
3.Veracity: Strictly follow the customer standard to ensure the tolerance range and meet customer's requirement.
4.Integrity: If The customer complains about the quality of the products, our company will actively cooperate with them to solve the problem. If it is the responsibility of our company, we will bear the corresponding responsibility and compensation.
5.Longevity: Establish good long-term relationship with customers.
Quality Inspection:
1.Our factory has its own "experimental testing center".CNAS Laboratory Accreditation Certificate (the second private enterprise to obtain this certificate)
2.Control quality strictly.The first pass is the quality inspection on the production line,The second pass is full inspection of the production quality .
3.We have got internationally recognized certificates, ISO, CE, LR,Philippine certificate,also support third-party testing,as SGS, BV, ect.
Packing&Shipment:
1.we have fully enclosed, clean and tidy modern logistics storage center with a building area of 20,000 square meters. It can provide customers with storage, package, billing and delivery. We can loading 20-25 containers one day. The packing accuracy rate is 100%;
2.We own professional logistics shipment, around more than 10 13-meter semi-trailers, in terms of transport efficiency and quality to provide customers with convenience, cost reduction, value-added services;
3.In the aspects of preventing steel pipe bumping, scratching, cratering, flattening, pipe deformation, raining, etc., standardization operations have been established and strictly implemented to ensure that the quality of the process of storage and transportation of steel pipes is effectively controlled.