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:Where is the difference between seamless steel pipe and welded pipe
In appearance, seamless steel pipe and welded steel pipe difference in the welded pipe wall welded tendons, and seamless No.
Q:Seamless steel pipe and welded pipe what is the difference?
Identification method: see the inside of the pipe, because the external, will deal with the welded pipe is inside a gap, you can see some, some, is not easy to see, you can slowly by hand touch, or see the specifications are relatively thin, welded pipe
Q:What's the difference between hot dip galvanizing and cold galvanizing? Which kind of galvanizing method is good?
There are two kinds of hot dip galvanizing, zinc plated and non galvanized. The flowers must be hot-dip galvanized, without flowers, similar to galvanized.
Q:Stainless steel tube, also known as why tube?
Use can be divided into oil well pipe (casing, tubing and drill pipe etc.), line pipe, boiler tube, mechanical structure, hydraulic prop pipe pipe, cylinder pipe, geological pipe, chemical pipe (high pressure fertilizer pipe, oil cracking tube) and shipbuilding pipe etc.
Q:What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?
Carbon steel is relatively alloy steel. Its carbon content is higher than alloy steel, and 20# steel is one kind of carbon steel.
Q:What's the difference between the fastener type steel pipe scaffold, the floor type steel pipe scaffold and the overhanging type steel pipe scaffold?
Butt fastener: used for connecting two steel pipe joints.The base and the pad: is set up in the bottom of the pedestal pole, pay attention to the distinction between base and the base plate, usually with steel plate and welded steel pipe, base usually put on a backing plate, and the plate can be wood can also be plate.The foot board (see the diagram below), safety net (no explanation, this is very simple).
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:What's the difference between a cracked carbon steel tube and a liquid carbon steel tube?
If the material is the same, the process is different from the test.
Q:What's the difference between round and round tubes?
Round steel is generally refers to steel, the surface is not threaded, different from round steel pipe, round tube is round tube.
Q:What's the gate number of the precision steel pipe?
This kind of steel tube and ordinary hot-rolled seamless steel pipe and cold drawn seamless steel tube in the outer surface is different from the outer surface, and the diameter of the smooth finish of precision steel tube, stainless steel color and the same, inside and outside surface due to manufacturing reasons with a layer of oil.

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