Roller pipes

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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


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Q:What material is RHS in the steel tube?
RHS is a rectangular hollow section steel. The RHS structure represents a rectangular hollow section steel.
Q:How can seamless steel tubes be produced?
After extrusion to remove pipe sizing. The sizing machine passes through the cone bit and rotates into the steel embryo at high speed to form a steel tube. The inner diameter of the steel pipe is determined by the outside diameter and length of the sizing machine. When the steel tube is fixed, it enters the cooling tower and is cooled by spraying water. The steel tube is straightened after cooling. After straightening, the steel pipe is sent to the metal flaw detector (or water pressure experiment) by the conveyor belt for internal inspection. If there are cracks in the steel pipe, bubbles and other problems will be detected. Steel pipe quality inspection, but also through strict manual selection. After the quality inspection of the steel pipe, spray with the paint on the number, specifications, production batch number and so on. The crane is hoisted into the warehouse.
Q:Seamless steel pipe is how to do it?
Round tube has some limitations, such as in the plane bending conditions, the tube is better than square and rectangular tube bending strength, and some agricultural machinery skeleton, steel, wood furniture, commonly used square, rectangular tube. According to different purposes, other sections of special-shaped steel pipe are needed.
Q:What does "buried steel pipe" 6*2SC100 mean?
The embedded steel pipe 6*2SC100 refers to a welded steel pipe with 2 pipe thicknesses of 6mm and a diameter of 100mm. SC pipe means welded steel pipe. Embedment means pre installation (burial).
Q:How can two smooth steel pipes be joined? The size of the two pipe is different (except for welding)
Rectangular fastener: used for the connection of two vertical intersecting steel tubes. It relies on the frictional force between the fastener and the steel tube to carry the load.Swivel fastener: used for connecting two steel tubes intersecting at any angle
Q:What is lined pipe?
There are inner pipe jacket, such as day, tube, etc.; there are outside the pipe painted, such as large-diameter water pipes. An internally coated steel pipe for corrosive medium fluids replaces the expensive stainless steel pipe.
Q:Is it good to buy a simple wardrobe or a steel pipe?
Therefore, the simple solid wood wardrobe and steel pipe wardrobe is good or bad, according to personal preferences to set, and that environmental protection seems to have grades, easy to crack
Q:How can the immersed pipe pile put steel cage into the steel pipe? Which expert to answer?
The pile reinforcement cage construction characteristics: in general application of the reinforcement cage can be used when not required manual assembling reinforcement cage, such as deep or large pile diameter should be used for solid and solid mechanism of reinforcement cage better (by reinforcing cage seam welder production) to meet Zhuang Jishi high technology requirements, enhance the stability of pile foundation.
Q:45 and 316 which steel tubes are of high hardness?
No. 45 steel for high-quality carbon structural steel, the hardness is not high machining, used to make the template, mould studs, guide column, subject to heat treatment. 45 steel quenched and tempered hardness between HRC20~HRC30; 45 steel quenching hardness between HRC55~58, the limit value of up to HRC62.
Q:What does "steel pipe SC" mean?
SC (run in welded steel duitconSC is the line laying mode GB letter of wire is worn steel pipe laying (welded steel pipe, low pressure fluid) SC70 said the conductor by low pressure fluid DN70 welded steel pipe as protection pipe laying, DN70 said the nominal pipe diameter is 70mm, the nominal pipe diameter is 70mm (a series of values, the actual diameter slightly different).

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