GB/6278 Welded Square Tube

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
15000 m.t./month

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Product Description:

1Structure of GB/6278 Welded Square Tube:

ERW steel pipe is electric resistance welding, the abbreviation for ERW for transporting oil and natural gas vapor liquid objects, can meet the requirements of high and low pressure, the transport in the world with pipe sector accounted for a pivotal position.

 

2‍‍Main Features of GB/6278 Welded Square Tube:

• High manufacturing accuracy

• High strength

• Good visual effect

• Reasonable price  

• Small inertia resistance

• Strong heat dissipation ability

 

3GB/6278 Welded Square Tube Specification

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1 - 33 mm

Section Shape

Round

Outer Diameter

21 - 610mm

Place of Origin

Tianjin, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

Cold Drawn

Certification

API

Surface Treatment

factory state or painted black

Special Pipe

API Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

21.3-610mm

Grade 

20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B

Standard

ASME, ASTM

 

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of GB/6278 Welded Square Tube: 

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test 
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

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GB/6278 Welded Square Tube 

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Q:Faucet to open the water heater why not fire
But the kitchen from the electric water heater pipe long water pressure is small, the beginning of the water fretting did not open, there is also a kitchen faucet out of the hot water there is a clogging of the dredging cut off cut the dregs of dengling japonica down to the small amount of water, See the hot water pipe to remove the hot water faucet
Q:What are the main features of gypsum for civil engineering materials?
Building gypsum in the water after mixing, the slurry in a few minutes began to lose plasticity, complete loss of plasticity within 30min and produce strength, about a week or so completely hardened. To meet the construction requirements, need to join the retarder, such as borax, potassium tartrate, citric acid, polyvinyl alcohol, lime activated bone glue or leather and so on.
Q:How to apply geotextile soil
Directly laying Huazhi geotextile material manufacturers
Q:Is the security door open or good?
Open to the outside, save the interior space, but also conducive to the escape of emergency time.
Q:Concrete mix design of cementing material 28d mortar compressive strength of mineral powder fly ash in addition to 10% can also be how much can use other content
You can refer to the mix design rules, there are specific instructions
Q:Q235 material, 2.5mm thickness of the plate, flanging R corner of the smallest can not be less than how much?
The minimum radius of the bend is 0.3t in the direction perpendicular to the rolling pattern, 0.8t parallel to the rolling pattern, and the minimum radius is 0.5t when it is at an angle of 45 ° to the rolling direction.
Q:What kind of water jet is good for glass drilling?
Said a glass on the drilling of the tips, find a point of emery, no emery sand on the sandpaper sandpaper can also be used to reconcile with the oil, too dilute flow open, too thick sand roll, can. And then find a diameter of about 4 mm bamboo stick, long ten centimeters, from the broom on a line on the line, with an electric drill, it is best to drill, stuck the bamboo stick drill, glass openings need to place the point of oil mixed sand, Drill drill, 10 mm thick glass for about 2 minutes drill through. This hole, the process is not easy to burst glass, glass hole round and smooth, wood angular. The cost is only about a dime money, if you go to the store, it is not easy to say ~
Q:What are the differences between composite geo-membrane and geosynthetic clay liner?
geomembrane is made of water-proof material for water and seepage prevention. composite geo-membrane is compounded by geomembrane and pervious material. To composite pervious material on geomembrane can protect the geomembrane, increase friction coefficient and permeability in the flat. geosynthetic clay liner is made of two layers of pervious material and one layer of impervious bentonite. geosynthetic clay liner is also used for water and seepage prevention. But because the waterproof and impermeable material is clay which has little, it is not as good as geomembrane in terms of water and seepage prevention. There is a reason for the emergence of the product. Once tiny destructive hole appears, the clay will automatically fill it under pressure, that is to say, it has self-healing effect. The difference between the two: First, geomembrane has better waterproof and anti-seepage effect. Second, geosynthetic clay liner has self-healing role. Third, geosynthetic clay liner has little permeability. As for permeability: The permeability coefficient of geomembrane is less than 10 negative 11 cm3 per second. The permeability coefficient of geosynthetic clay liner is about 10 negative 9 cm3 per second.
Q:Whether the food processing plant can use glass wool cotton sandwich panels.
It is possible to use color steel
Q:Looking to Sell Luxury Real Estate?
Real estate auctions are good for selling distressed or highly undesirable property. The buyers are speculators that are looking to buy something cheap and below market. The auctioneers are experts at stirring up alot of excitement so that someone will buy something on impulse. However someone looking to buy a luxury home is too smart to fall for that type of sales technique. To get top dollar you need to find a person that wants to live in the home and needs to spend a lot of time evaluating the property. Find a good residential broker in the area and let him market the property properly.

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