Hollow Section Steel Pipe Construction Steel Section

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25 m.t.
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6500 m.t./month

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1、Structure of  Hollow Section   ASTM A500:

Hollow Section  is to be used for . As the manufacturing process  are perceived to be stronger and more reliable. Historically  pipe was regarded as withstanding pressure better than other types, and was often more easily available than former pipe. 


2、‍‍Main Features of Hollow Section   ASTM A500:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price  


3、Hollow Section   ASTM A500: Specification



ASTM A106-2006, ASTM A53-2007


10#-45#, 16Mn

10#, 20#, 45#, 16Mn


8 - 33 mm

Section Shape


Outer Diameter

133 - 219 mm

Place of Origin

Shandong, China (Mainland)

Secondary Or Not



Hydraulic Pipe


Cold Drawn



‍Surface Treatment

factory state or painted black

‍Special Pipe

API Pipe

Alloy Or Not




Outer Diameter



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




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. 


4、Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT


5、FAQ of Hollow Section   ASTM A500:  

①How 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.

②How 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.

③Why 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.


6、‍‍ Hollow Section   ASTM A500: Images: ‍‍


Hollow Section Steel Pipe Construction Steel Section

Hollow Section Steel Pipe Construction Steel Section


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Q:How is the weight of the steel plate calculated?
The weight of the steel plate is calculated in this way:Weight = length (unit m) * width (unit m) * thickness (unit mm) *7.85
Q:What is the difference between color steel plate and hot galvanized sheet?
Color steel plate is divided into two kinds, one is hot galvanized after spraying color, not a hot galvanized plate directly after spraying, hot galvanized and color steel plate is a kind of anti-corrosion measures, galvanizing after spraying outdoor powder, not only has good antiseptic effect, and the color is beautiful, just hot galvanized plate no antiseptic, decorative effect
Q:What is a cold rolled sheet with plastic sprayed?
First, cold rolled steel sheet:Cold rolled steel plate is cold-rolled steel plate, commonly known as cold plate. Cold rolling is a steel plate that is further rolled to the target thickness at room temperature. Compared with hot rolled steel sheets, cold-rolled steel sheets are more accurate, smooth and beautiful in appearance and superior in mechanical properties, especially in terms of machinability. The minimum thickness of cold rolling is below 0.1--8.0MM, and the minimum thickness and width are determined by the equipment capacity and market demand of each plant.
Q:Is PCM steel better than galvanized steel?
The decoration of household appliances barrel and microwave oven shell. In addition to ordinary color products, pearl color, metal color products have become popular trend of home appliance shell decoration, such as silver frequency conversion refrigerator, full frequency space King refrigerators and network appliances shell adopts Haier special steel company research and development of home appliances.
Q:How can the offset film affixed to the cold-rolled steel sheet be removed?
Hand cream can also be achieved to remove the effect of self-adhesive, hand cream contains a lot of water (generally more than 70%), water contains a certain amount of surfactant. Surfactant has good wetting, permeating and dissolving ability. It can quickly penetrate between the adhesive and the surface of the object, so as to achieve the goal of cleaning. You can also find some similar products, such as creams, facial cleanser and detergent.
Q:What is the hardness of the wear-resistant steel plate?
But not the higher the hardness, the better the wear resistance! The hardness is based wear resistant steel plate excellent wear resistance, but the relationship between the hardness and wear resistance is not proportional to the wear resistance; wear resistant steel plate, mainly because they have hard particles, and soft matrix, generally in the wear process, there will be some shedding substances, these substances will be integrated into the soft matrix that will not cause great harm to the surface; if the matrix hardness is relatively high, shedding of abrasive or other substances, the mutual movement will be mutual lapping, faster damage matrix!
Q:Why should the back of the steel sheet pile cofferdam be pumped after the construction of the pile cap?
The appearance of surface defects of steel sheet pile, length, width, thickness, end rectangle ratio, flatness and lock shape content of inspection, do not meet the requirements of steel sheet pile is corrected, in order to reduce the difficulties in piling process.
Q:Can the steel sheet pile retaining structure be watertight and impervious?
If the channel is certainly not, but Larson type steel sheet pile is able to, and the effect is not bad.
Q:STCC what's the quality of the cold rolled steel sheet?
Cold rolled steel: rolled without heating at room temperature (strictly speaking below the recrystallization temperature).
Q:What are the problems encountered in the construction of steel sheet piles? How to deal with
During piling, sometimes large blocks of stone or other unknown obstacles are encountered, which results in inadequate penetration of steel sheet piles and the use of corner piles or arc piles to bypass obstructions.

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