Rectangular Hot Rolled Carbon Steel Tube 2

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Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

1.Quick Details

Thickness:

1.0 - 35 mm

Section Shape:

Square

Outer Diameter:

20*20-600*600

Place of Origin:

Shandong China (Mainland)

Secondary Or Not:

Non-secondary

Application:

Structure Pipe

Technique:

Cold Rolled

Certification:

CE

Surface Treatment:

oil,paint

Special Pipe:

Thick Wall Pipe

Alloy Or Not:

Non-alloy

Name:

Square Hollow Steel Pipe/Tube

Shape:

Square/Rectangular

Yield Strength:

360-380Mpa

Tensile Strength:

560-580Mpa

Elongation:

24-28%

Bend Test:

Qualified

Impact Value:

V-notch

Grade:

20#,45#,16Mn,A210,St45,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345

Standard:

JIS G3465-2006,JIS G3466,GB/T 3094

2.Specifications

1.    OD:15X15-800X800MM,20X30--600X800MM

2.    Thick.:1.0--35.0MM

3.FAQ of Rectangular Steel Tube

How is the quality of your products?
    Guaranteed: If products
quality dont accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    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 dont 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.
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 If you have any question, pls feel free to contact us !

 

4.Rectangular Hot Rolled Steel Tube Image

 

 

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Q:What kinds of steel pipe are divided into?
The steel pipe seamless steel pipe and welded steel pipe (tube) two categories. According to the section shape and can be divided into round tube shaped tube, round steel pipe is widely used, but there are also some square, rectangular, semicircular, hexagonal, triangular, octagonal shaped steel tube.Seamless steel pipe: seamless steel pipe is ingot or solid billet made by capillary hole, then hot, cold or cold drawing. Made of seamless steel pipe specifications with outer diameter * wall thickness mm. Number of seamless steel pipe cold and hot points of seamless steel pipe (DIAL) two categories.
Q:What's the difference between hot dip galvanizing and cold galvanizing? Which kind of galvanizing method is good?
Cold galvanizing is zinc plating, the general surface is relatively smooth, no zinc flowers, there are two kinds of resistance to fingerprints and non - Fingerprint
Q:Which is better, galvanized steel pipe or stainless steel?
Stainless steel is good.Stainless steel (Stainless Steel) is referred to as the stainless steel, the resistance of air, steam, water and other weak corrosive medium or with stainless steel known as stainless steel; while the resistance to chemical corrosion (acid, alkali and salt chemical etching) corrosion of steel called acid resistant steel. Because of the difference in the chemical composition of the two, and make their corrosion resistance is different, ordinary stainless steel is generally not resistant to chemical medium corrosion, and acid resistant steel are generally stainless steel.
Q:ASME seamless tube how to express, what is the form, I did not find on the ASME, thank God!
Welded and seamless pipe standards are ASME B31.10, no go, if you want to force a seamless tube, the request can be seamless for seamless meaning.In addition to that, the cost and difficulty of manufacturing welded pipe is higher than that of seamless tube.
Q:What does GALV mean in a steel tube?
Steel tube (Steel pipe) production technology development began in the bicycle manufacturing industry, the rise of the early nineteenth Century during the oil development, the two world war ships, boilers, aircraft manufacturing, manufacturing of power boiler after the Second World War, the development of chemical industry of petroleum and natural gas drilling and transportation, will effectively promote the the yield and quality of varieties, the development of steel tube industry.
Q:What time what time for gas pipeline steel pipe PE pipe
PE pipe is suitable for medium voltage and low voltage 0.4MPa below the pressure pipe wall thickness. According to the different pressure is not the same, so the steel tube can be used for high pressure.
Q:Is the PVC tube a plastic tube or a plastic tube?.
It's plastic tubePolyvinyl chloride (Poly, Vinyl, Chloride, PVC)PVC is a VCM monomer (vinyl, chloride, monomer), in peroxide, azo compounds and other initiators;
Q:Why seamless steel pipe called seamless steel pipe?
Seamless is relative to welded steel pipe, because welded steel pipe is welded with steel strip, seamless steel pipe is made of whole round steel empty, no welding seam.
Q:What's the material of Q325 steel pipe?
In terms of deoxidation methods, F, B, Z can be expressed as boiling steel, flat killed steel, killed steel and boiling steel. They are deoxidized steel, which is of poor plasticity and toughness. Welded joints made of this material are susceptible to cracks when subjected to dynamic loads. Should not work at low temperatures, sometimes hardening. In contrast, calming steel is excellent and uniform, with good plasticity and toughness.
Q:How seamless steel tube is formed?
Overview of two kinds of steel pipe process:1, cold drawing (rolling) seamless steel pipe: round tube to heating to perforation, annealing, pickling, leading to oil (copper), multi pass drawing (Leng Zha), the blank pipe, heat treatment, straightening, pressure test (testing), marking and warehousing.2. Hot rolling (extrusion seamless steel tube): round tube billet, heating, piercing, three roll cross rolling, rolling or extrusion, removal of pipe, sizing, reducing (diameter or reducing), cooling, blank tube, straightening, water pressure test (or flaw detection), marking and warehousing.

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