Top Supplier of Seamless Steel Pipe with high quality

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Min Order Qty:
50 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

Quick Details


1 - 80 mm

Section Shape:


Outer Diameter:

0.25 - 16 inch

Place of Origin:

Shandong China (Mainland)

Secondary Or Not:



Fluid Pipe


Hot Rolled,hot rolled and cold drawn



Surface Treatment:


Special Pipe:

API Pipe

Alloy Or Not:


model number:



mechanical or fluid


1mm to 80mm


10mm to 406mm


black painted


10#,20#,15CrMo,35CrMo4,30CrMo,16Mn,A53(A,B),A106(B,C),API J55,API K55,St52,St52.4,STPG42,Q345,10#-45#,Cr-Mo alloy,A53-A369,API J55-API P110,ST35-ST52,Q195-Q345


BS 3059-2,JIS G3454-2007,JIS G3455-2005,JIS G3452-2004,GB 3087-1999,GB/T 8163-1999,DIN 17175,ASTM A53-2007,API 5CT,BS,JIS,GB,DIN,ASTM,API

Packaging & Delivery

Packaging Detail:Packing: In bundles, Varnish coating, Ends can be bevelled or square cut, End capped
Delivery Detail:Depends on your order quantity.


1.Seamless pipe professor
2.MTC,ISO,API certificate
4.On time delivery
5.Big store,excellent package.

 Liaocheng Tongyun Pipe Industry Co.,Ltd-- Seamless Steel Pipe Professor

1.Our pipe size 

             OD: 1/8'' to 16'', nomical thickness :Sch5s to XXS

             OD 14mm to 325mm, wall thickness: 1mm to 80mm 

             Also we can produce expand pipe from 20'' to 24''

2.Our pipe including:

              ASTM A106 seamless carbon steel pipe

              Structure steel pipe

              ASTM A179 cold drawn low carbon steel pipe

              ASTM A192 steel boiler tubes

              ASTM SA213/A519 alloy steel pipe

              DIN1629/EN10216-1 Pipe line

              DIN17175/EN10216-2 Heat Resisting seamless steel pipe lines

              DIN 2391-1 cold drawn or cold rolled steel tube

              API SPEC 5CT Tubing and Casing 

              Cylinders Steel Pipe


            Bundle package

            Bevelled end or plain end 

            Painting varnish coating 

            PVC covered and both ends capped 

4.Min order: 10 metic tons.

5.Length: 12meters Max


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Q:What is an electric welded pipe (EFW)? Seek help!
Pipe and pipe fittings should be suitable for the gap, usually with micro force insertion is appropriate, the gap is too large or too small will affect the quality of the interface.Check the depth of the plug and slip the spigot into the socket and position correctly.
Q:Is steel pipe made of profiles?
In accordance with the different smelting quality of steel, steel is divided into ordinary steel and high quality steel. According to the current catalogue of metal products, ordinary steel can be divided into large section steel, medium section steel and small section steel. The section steel can be divided into I-beam, channel steel, angle steel, round steel and so on according to its sectional shape.
Q:Will the steel tube dance?
Pole dancer performing double pole dance performance is much higher than single pole dancing difficult, because not only refers to the double pole dance together the two pole dance, two people should pay attention to the dance and tube movement, if two people do not fit to dance moves and skills on the tube action, you jump you. I jump, that wasn't a real double pole dance, dance like a double tube. If the two dance movements and pipe movements are not good enough or not natural enough, they will destroy the effect of the whole dance and make the audience feel that the dance is chaotic and not beautiful, so it is better to see a single pole dance. But the dancer's double pole dance performance is good, more powerful than single pole dance, and more aesthetic and artistic.
Q:Does seamless steel tube have a bend of 135 degrees?
In engineering, it is usually marked as "45 elbow" and has no "135" mark. The angle of the elbow is acute, so there will be no more than 90 degrees elbow.Elbow is a common connecting pipe used in plumbing and heating. It is used for the connection of the bend of pipe, and is used to change the direction of pipe.
Q:What are low-pressure carbon steel tubes?
Any of various steels that contain less than 2.11% of the mass of carbon but contain no alloying elements. Sometimes referred to as plain carbon steel or carbon steel.Carbon steel, in addition to carbon, usually contains a small amount of silicon, manganese, sulfur and phosphorus.1) according to the use of carbon steel can be divided into carbon structural steel, carbon tool steel and easy to cut structural steel three categories, carbon structural steel is divided into engineering construction steel and machine manufacturing structural steel two kinds;(2) by refining methods can be divided into open hearth steel, converter steel;(3) according to deoxidization methods, they can be divided into boiling steel (F), killed steel (Z), semi killed steel (b) and special killed steel (TZ);(4) according to the carbon content of the steel can be divided into low carbon steel (WC = 0.25%), carbon steel (WC0.25% - 0.6%) and high carbon steel (WC>0.6%);(5) according to the quality of steel, carbon steel can be divided into ordinary carbon steel (phosphorus, sulfur, higher), high quality carbon steel (low phosphorus and sulfur) and high quality steel (lower phosphorus and sulfur) and super quality steel.Description: the carbon content in general carbon steel is higher, the hardness is higher, the strength is higher, but the plasticity is lower.
Q:Is hot dipped plastic pipe steel?
The hot dipped plastic steel pipe is a steel pipe, and it is made of special antiseptic treated composite steel pipe.
Q:What are the main types of steel pipe ah? How to judge which kind of steel pipe performance is better?
Sort by connectionThe connection way of steel pipe can be divided into: light pipe (pipe end without thread) and wire tube (Guan Duan with thread).The tube can be divided into ordinary tube and end tube.Thickening of the tube can also be divided into: extra thick (with external thread), internal thickening (with internal thread) and inside and outside thickening (with internal and external thread) and other vehicle wire tube.The wire tube can also be divided into ordinary cylinder or taper thread and special thread.In addition, according to user needs, wire tubes are generally equipped with pipe delivery.Plating characteristicsAccording to the characteristics of surface coated steel pipe can be divided into: Clarinet (not coated) and coating tube.The coating tubes include galvanized pipes, aluminium plated tubes, chrome plated pipes, aluminized tubes and other alloy layers.The coating tube has an outer coating tube, an inner coating tube and an inner and outer coating pipe. The commonly used coatings are plastics, epoxy resins, coal tar, epoxy resins, and various glass based anticorrosive coatings. Galvanized pipe is divided into KBG pipe, JDG pipe, threaded pipe, etc.
Q:Is there any difference between HFW steel pipe and ERW steel pipe?
Resistance welding, as the name suggests, resistance welding is a method of welding by welding electrode after exerting pressure on electrode and utilizing electric current through the contact surface of connector and adjacent zone. High frequency welding: high frequency current through the metal conductor, will produce two kinds of peculiar effects: skin and proximity effects, high frequency welding is the use of these two kinds of effects of steel pipe welding, the effects of the two is based on the high frequency welding metal.
Q:The difference between carbon and welded steel tubes
Seamless steel pipe because there is no weld, so can withstand greater pressure, boiler tubes are generally used seamless steel pipe
Q:What is a tight steel tube?
JDG pipe is the replacement of traditional PVC and SC pipes and other traditional wire conduits. It is a breakthrough in the field of building electrical field using new materials and technologies. The JDG pipe adopts the cross connecting ground wire of galvanized steel pipe and thin-wall steel pipe, overcomes the defects of complicated construction and large construction loss of common metal pipe, and solves the problems of poor fire resistance and difficult grounding of PVC pipe. Because the JDG pipe material is more expensive than the ordinary pipe material, it is more used in the construction, such as comprehensive wiring, fire protection wiring and so on.

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