Galvanized Steel Circle Pipe Q345 Grade

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
100 m.t.
Supply Capability:
1000 m.t./month

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Product Description:

Galvanized Steel Circle  Pipe Q345 Grade 

 

 Description for Galvanized Steel Circle  Pipe  :

Type 

Galvanized Steel Circle  Pipe 

Steel Grade

Q345,Q195,215,Q235,

HRB400E,HRB500E ,Q235 , Q195 

Size 

DIA 13-25.4mm, 18-25.4mm,25.4-34mm,34-50.8mm,50.8-79.2mm

 

Thickness

0.5-1.5mm,1.5-2.0mm,0.7-2.0mm,0.8-3.0mm,1.0-3.0mm

Application

Building/project construction 

Packing 

5.5mm-10mm:packing In coil.

10mm-32mm:in bundle.

MOQ 

300tons ( trial order 100tons acceptable ).

Capacity  

150000tons /month.

Delivery Time 

15days after the order confirmation .

Payment 

 T/T , West Union , Cash , L/C.

Trade Terms

FOB, CFR, CIF ,EXW

Trans term 

FIO , FILO , FLT 

 

Datas Chart for Galvanized Steel Circle  Pipe  :

Content

C%

Mn%

Si%

P%

S%

V%

Ceq%

HRB335

0.17-0.25

1.00-1.60

0.40-0.80

≤0.045

≤0.045


≤0.52

HRB400

0.20-0.25

1.30-1.60

0.40-0.80

≤0.035

≤0.035

0.05-0.08

≤0.54

HRB500

0.25

1.6

0.80

≤0.045

≤0.045


≤0.55

HRB500E

0.20-0.24

1.20-1.50

0.40-0.65

≤0.045

≤0.045

0.050-0.120

≤0.55

Main Structure of Galvanized Steel Circle  Pipe 

l  Mechanics Performance 

Grade

Technical data of the original chemical composition(%) 

C

Mn

Si

S

P

Ceq


HRB500

≤0.25

≤1.60

≤0.80 

≤0.045 

≤0.045 

≤ 0.55


Mechanical Characterics

Yield Strength

(N/cm2)

Tensile  Strength 

(N/cm2)

Elongation (%)

 

    ≥500

    ≥630

    ≥14

l  Mechanics Performance 

 

Grade

Technical data of the original chemical composition(%) 

C

Mn

Si

S

P

Ceq

 

HRB400

≤0.25

≤1.60

≤0.80

≤0.045

≤0.045

≤ 0.54

Physics capability

Yield Strength

(N/cm2)

Tensile Strength

(N/cm2)

Elongation (%)

 

≥400

≥570

≥16


 

FAQ:

Why should you choose us:

  1. Stable quality ----continous casting hot rolled production techenic, strictly quality control system.

  2. Lower price -------Not the cheapest but the lowest price at the same quality .

  3. Good service -----Satisfactory service within 24hours.

  4. Delivery time ------15-25days for the mass production .

  5. Discount---------------discount base on monthly large quantity purchase in long term. 

Picture:

Galvanized Steel Circle  Pipe Q345 Grade

Galvanized Steel Circle  Pipe Q345 Grade




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Q:Difference between seamless steel pipe and welded pipe
Seamless steel pipe can be used in various industries, such as liquid, pneumatic, pipeline and gas pipeline.
Q:What's the difference between a rectangular tube and a rectangular steel tube?
Rectangular tube is a kind of hollow long strip steel, also known as flat tube, flat square tube or square flat tube (Gu Mingsiyi). A large amount of pipe used to transport fluids, such as petroleum,Natural gas, water, gas, steam, etc., in addition to bending and torsional strength of the same weight is lighter, so it is also widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.
Q:What is lined pipe?
Pipe lining is a new technology in recent ten years of development, also called composite pipe conveying fluid with different needs, the use of different materials to make the durability of the pipeline inner wall and outer wall of pipeline, to ensure the purity of the fluid, pipeline adaptability, performance is greatly improved, more extensive use.
Q:How are steel tubes represented?
If it is seamless steel pipe, welded steel pipe, the method of expression is: nominal diameter refers to the outer diameter (diameter * wall thickness). The unit is mm. [for example, seamless steel tubes of phi 32 * 3. It means that the nominal diameter (outside diameter) is seamless steel pipe of phi 32mm and wall thickness 3mm.
Q:What are the advantages of PVC pipe and galvanized steel pipe?
Galvanized steel pipe is also used, because some areas require the use of strength. Moreover, the iron and steel industry is a pillar industry, there are some unspoken rules in it.
Q:How long are the seamless tubes? Are they six meters long?
6 meters of a root in general need to be customized, seamless tubes are mostly seven meters above the variable foot
Q:How to calculate the maximum bending stress of steel pipe? Is there a list of the maximum flexural normal stresses for steel pipes of different materials and diameters?
The maximum flexural normal stress is calculated as: Sigma =M/ (gamma x*Wnx).Of which: M is the maximum bending moment of the steel tube;Gamma X - the plastic development coefficient of the cross section; for the cross section of the steel tube, 1.15,
Q:What connections are there for concrete filled steel tubular column foundations?
Strengthening ring joint is a more common in the construction of steel pipe concrete column construction, it is to beam column connection through the upper and lower plate reinforcing ring bending force transmission way is through two to strengthen the uniform arrangement between the rings radial ribs and rib structure to connect with the ring the pipe wall at the top of the plate, so as to transfer the shear stress, so as to strengthen the thickness and improve the quality of connection engineering advantage. In the process of engineering construction, according to the construction principle of longitudinal reinforcement of Deng Qiang to control, so that the smaller width of not less than the replacement of the width of the connecting plate 70%, also need to be given due attention in the form of node selection
Q:Galvanized steel pipe in addition to good rust resistance, what are the advantages?
Galvanized steel is cracking for 39 days and will not, especially suitable for Northern very cold environment.
Q:Is the PVC tube a plastic tube or a plastic tube?.
Or polymer polymerized by radical polymerization under the action of light and heat. The vinyl chloride homopolymer and vinyl chloride copolymer are collectively referred to as vinyl chloride resins. The material is a non crystalline material. PVC materials often use stabilizers, lubricants, auxiliary processing agents, pigments, anti shock agents and other additives in practical use. Is not flammable, high strength, excellent resistance to climate variability and geometric stability. PVC has strong resistance to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is also not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons.

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