High quality Roller pipes from China

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China Main Port
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TT OR LC
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Product Description:

Outside diameter

1/2”-12

Wall Thickness

1.0 -12mm

SCH40,60,80, etc.

Tolerance

±5%

Material

Q195,Q215,Q235,Q345

Quality grade

First grade

Section Shape

Round

Surface Treatment

Hot rolled and ERW

Technique

Hot rolled

Ends

Threaded Ends, Grooved Ends

Length

Less than 12m

MOQ

10 Metric Ton or as your request if normal size

Deliver Time

Stock

Package

Nude pipe in bundle or as your request

Payment terms

T/T,L/C

Standard

GB/T3091-2008; BS1837-1985; ASTM A53/A53M-07;

ASTM A513-07; ASTM A252; JIS G3444-06; JIS G3452-2010;

EN10255; DIN2440

Main Usage

Relevant Size

1. Water Pipe

Material: Q195/Q215/Q235/Q345B

Outside Diameter: 60-273mm

2. Threaded/Screwed Pipe

Material: Q195/Q215/Q235/Q345B

Outside Diameter: 21.3-165.1mm

3. Structural Steel Pipe

Material: Q195/Q215/Q235/Q345B

Outside Diameter: 21.7-190.7mm

4. Scaffolding Pipe

Material: Q195/Q215/Q235/Q345B

Outside Diameter: 48mm

5. Straight Seam Welded Pipe

Material: Q195/Q215/Q235/Q345B

Outside Diameter: 48-273mm

6. Steel pipes with a longitudinal ERW  

Material: Q195/Q215/Q235/Q345B

Outside Diameter: 21.3-273.1mm

Standard: GB/T 3091-2008

Quality Guarantee

Certificate: ISO9001:2008 by international quality system.

Steel material and various physics and chemistry property service.

FAQ

1. How about the Delivery Time?

 The goods will be produced since we getting your deposit by T/T or Your original L/C.

 For normal size, some stocks in our factory now, we can supply once you need.

2. What kind of payment does your company support?

 T/T, 100% L/C at sight, Cash, Western Union are all accepted.

3. What is the M.O.Q?

 Min Order Quantity.

 Generally speaking, the MOQ is 10 metric ton per size,

 however, we can provide you samples for quality inspection.

4. Do you charge for the samples?

 According to our company principle, we just charge for samples, you pay for the freight charge.

 However, we will return the samples fees back to you during the next order.

5. How about your Feature and Advantage?

 Firstly, we are a 11 years factory, our price is competitive and our quality is the NO.1.  

 Then we do some special service for export: Thread, Oil Coating, Groovy,

 Standard Export Packing, Hydraulic Pressure, Automatic painting, stamping,

 Steel material and various physics and chemistry property, zinc ingot element testing service. etc.

6. How to know the Quality Guarantee:

 Visit Our factory is the best way to know each other more.

 ISO9001:2008 by international quality system Certificate and The Third Inspection can prove our quality.

 We will attach some relevant photos via email so show our factory, machine and products for you.

7. Can you tell me your main customers information?

 That is our customers privacy, we should protect their information.

 At the same time, please rest assured that your information is also safe here.


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Q:Fastener type steel pipe scaffold steel pipe wall thickness
The scaffolding steel pipe should be specified with the current national standard "GB/T13793" or "straight seam welded steel pipe welded steel pipe for low pressure liquid delivery" GB/T3091 Q235 ordinary steel pipe; steel pipe steel quality should meet the requirements of current national standard grade Q235 steel "carbon structural steel" in GB/T700
Q:How can galvanized steel pipe be connected with stainless steel pipe?
The method of non direct fusion is adopted, such as blue, silk head and movable joint
Q:How can galvanized steel tubes be painted on the surface?
Galvanized parts are nonferrous metals, ferrous metals are black, all metal adhesion is poor;
Q:Seamless steel pipe 8162 and 8163 what is the difference?
8163 GB is fluid delivery tube, need to use eddy current detection, fluid transport, liquid, gas, solid, such as natural gas, water, gas, coal and stone, 8162 and 8163 of the popular point that is 8163 more than 8162 senior, 8163 inspection, 8162 inspection. I hope you understand!
Q:Welded and seamless steel pipe how to distinguish?
Generally, careful observation, can see traces of the weld seam pipe, further is the determination of the polished incision, and then with the file can be seen there is no clear cut, interface traces with the file cleanup to remove when cutting was pasted interface.
Q:Who knows what is the difference between double submerged arc welded pipe and longitudinal submerged arc welding?
Double submerged arc welding is also a kind of longitudinal submerged arc welding.
Q:Are steel tubes and round steel in weight or length when purchased?
The price must be measured by weight, and the length, volume and other specifications should be entered
Q:What's the difference between stainless steel seamless tube and stainless steel welded pipe?
Stainless steel seamless pipe featuresFirst, the product of the wall is thicker, it is more economical and practical, the wall thickness of the thinner, processing costs will be substantially increased it; secondly, the product process to determine its performance limitations, generally low precision seamless steel pipe: uneven thickness, tube inner surface brightness low and high cost of fixed length, and the inner surface pitting and black spots difficult to remove; the detection and plastic third, must be processed offline. Therefore, it has its advantages in high pressure, high strength, mechanical structure and timber.
Q:Seamless steel tube 89X4 meters, how heavy?
Generally seamless steel pipe wall thickness will be uneven, according to the theory, each meter is 8.3844 kilograms, but if the wall thickness is poor 20--30 wire, then the weight will increase some
Q:DN150 welded steel tubes one meter multiple
The theoretical weight table of welded steel pipe (Kg) can be checked, and the outer diameter and wall thickness can be measured according to the formula.For example: DN150 welded steel pipe, diameter 165mm, thickness 4.5mm, weight kg per meter.Welded steel pipe theoretical weight (Kg/m) = (165-4.5) * 4.5 * 0.02466=17.81Kg

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