seamless carbon steel pipe Manufacturer

The seamless carbon steel pipes produced by Metal in China® (XINTUOYUAN) are fully tested in strict accordance with international standards, and there are large stocks in Chinese factories. The seamless carbon steel pipes cover A106, SA179, SA192, SA210, A213, A333, A335, A336, SA519 , API 5CT, API 5L , DIN17175, DN2391 , DIN1629 standard series of products to meet customer requirements for high temperature, high pressure, low temperature, cold drawing, boilers and other procurement products, one-stop procurement of seamless carbon steel pipes. In addition to our vast inventory of pipes, we also provide numerous value-added secondary services: high-precision laser cutting services, sawing services, galvanizing services, drilling services, bending services, sandblasting services to better meet your needs.
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Seamless Carbon Steel Boiler Tube

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ASTM
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Seamless
Surface
Custom
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Cold Rolled Seamless Carbon Steel Tube

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Hot Rolled Seamless Carbon Steel Tube

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ASTM A519 Seamless Carbon Steel Tube

Alloy
A519
Certification
ASTM
Method
Seamless
Surface
Custom
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API 5L Carbon Steel Seamless Pipe

Alloy
API 5L
Certification
API
Method
Seamless
Surface
Custom
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AISI 1018 Seamless Carbon Steel Pipe

Alloy
1018
Certification
AISI
Method
Seamless
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astm-a106-seamless-carbon-steel-pipe-factory-1

ASTM A106 Seamless Carbon Steel Pipe

Alloy
A106
Certification
ASTM
Method
Seamless
Surface
Custom
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astm-a53-seamless-carbon-steel-pipe-factory-1

ASTM A53 Seamless Carbon Steel Pipe

Alloy
A53
Certification
ASTM
Method
Seamless
Surface
Custom
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Square Carbon Seamless Steel Pipe

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Option
Certification
ASTM/AISI
Method
Seamless
Surface
Custom
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Seamless Carbon Rectangular Steel Pipe

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Routinely Stocked In Standard Lengths

GradesODWTLENGTHCustom Cut
A5310.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
A10610.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
SA17910.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
SA19210.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
SA21010.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
A21310.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
A33310.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
A33510.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
A33610.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
SA51910.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
API 5CT10.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
API 5L10.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
DIN 1717510.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
DN239110.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes
DIN 162910.3-1219.2mm1.65-60mm5.8/6/11.8/12mYes

inform

The grade products in the above table are our regular inventory products. If you do not find the grade or size of product you need, please CONTACT US NOW to get a one-to-one exclusive quotation service.

Product Description

Production of seamless pipe

The process begins with solid steel rounds, or billets, being cut to a specified length and sent through a walking-beam reheat furnace, where temperatures reach nearly 2,300°F. After exiting the reheat furnace, the preheated rounds are turned into a tube shell in the rotary piercing mill as the billets are cross-rolled between two barrel-shaped rolls at a high speed.

 

Production-of-seamless-pipe

Production of seamless steel pipe

cold-drawn-seamless-pipe

Cold Drawn

The seamless shells enter mandrel mill, where they are rolled over a retained mandrel to provide the needed OD size and wall thickness for the next process. The process is carefully monitored using a state-of-the-art hot-wall measuring system. The shells are then reheated for final forming in a 24-stand stretch-reducing mill, where outside diameters are formed to customers’ exacting specifications.

Wall thickness is again verified using a hot-wall measuring system. After being rotated and advanced on the walking-beam cooling bed, the pipes are batch cut and transferred to an in-process storage area, where they are handled by computer-controlled gantry cranes. 

Type of Seamless Steel Pipe

According to the carbon content, carbon steel round pipes are divided into low carbon steel pipes, medium carbon steel pipes and high carbon steel pipes. Low carbon steel, also known as mild carbon steel

Carbon steel pipes are divided into two types: hot-rolled and cold-rolled (drawn) steel pipes. Hot-rolled carbon steel pipes are divided into general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes.

Hot-Rolled-Seamless-Steel-Pipe

Hot Rolled Steel Tube

Cold-Rolled-Seamless-Steel-Tube

Cold Rolled Steel Tube

In addition to general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, and other steel pipes, cold-rolled (dial) carbon steel pipes also include carbon thin-walled steel pipes, alloy thin-walled steel pipes, Rust thin-walled steel pipes, special-shaped steel pipes. The outer diameter of hot-rolled seamless pipe is generally greater than 32mm, and the wall thickness is 2.5-75mm. The outer diameter of cold-rolled seamless steel pipe can reach 6mm, and the wall thickness can reach 0.25mm. The outer diameter of thin-walled pipe can reach 5mm, and the wall thickness is less than 0.25mm. Cold rolling has higher dimensional accuracy than hot rolling.

Seamless Steel Pipe Features

Carbon steel seamless pipes are extensively applied in the nuclear device, gas conveyance, petrochemical, shipbuilding and boiler industries, with characteristics of high corrosion resistance combined with suitable mechanical properties.

  • Nuclear device
  • Gas conveyance
  • Petrochemical industries
  • Shipbuilding and boiler industries

Seamless Steel Pipe Applications

Carbon steel seamless pipe is a steel pipe with a hollow section, which is widely used in pipelines for conveying fluids, such as pipelines for conveying oil, natural gas, gas, water and some solid materials. Compared with round steel and other solid steel, under the same bending strength, steel is lighter in weight, and it is an economical cross-section steel, which is widely used in the manufacture of structural parts and mechanical parts, such as oil drilling pipes, bicycle frames, etc. and Steel scaffolding.

Boiler-tubes-–-for-pressure-equipment-used-at-higher-temperatures

high pressure boiler steel pipe

Oil gas carbon seamless steel pipe

oil gas seamless steel pipe

carbon-steel-pipe-low-temperture

low temp steel pipe

The use of carbon seamless steel pipes to manufacture rings can improve material utilization, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, sheaths, etc., which have been widely used in the manufacture of steel pipes.

Seamless Steel Pipe Packing

Seamless Steel Pipe Packing

Additional steel processing services

cutting Service

For parts that require extremely high wear resistance, we use abrasive waterjet cutting to maintain hardness throughout the part without creating a heat-affected zone. For thicker plates up to 200mm, we use precisely controlled CNC oxy-fuel cutting. For products requiring high cut quality and dimensional tolerances, we use high-definition underwater plasma cutting to maximize plate performance in abrasive applications.

waterjet-cutting

Abrasive Waterjet Cutting

3D cutting head up to 3 x 6 meters

oxygen-cutting

Flame cutting

18 x 4m water platform

plasma-cutting

plasma cutting

18 x 4m water platform

Machining, Drilling and Welding Service

The tolerance of wire cutting machine (EDM) is as low as +/- 0.02mm, which can easily process precision parts. Using high-rigidity machine tools and correct tooling, precision milling of wear-resistant plates to make parts. Flexible large-scale milling machines are capable of performing any type of machining Processing z.SSAB welding experts work closely with our skilled operators to develop a specific welding process for your part or assembly.

machining

Machining

radial-drill

CNC milling

cnc-milling

large milling

welding

Welding - MIG/MAG/TIG

Sawing, galvanizing, bending and blasting services

For pipe series products, in addition to our huge pipe inventory, Metal in China®(XINTUOYUAN) also provide many value-added secondary services to better meet your needs. With our processing service, we are sure to provide round carbon steel pipes that meet your unique specifications.

tube-band-saw-cutting-service

Saw cutting service

Galvanizing services

Galvanizing service

Pipe Bending Services

Bending service

Sandblasting steel service

Sandblasting service

frequently asked questions

What are seamless steel pipes used for?

What is difference between seamless and seam pipe?

What is seamless steel pipe?

Seamless steel pipes have a hollow cross-section and are widely used as pipes for transporting fluids, such as pipes for transporting oil, natural gas, gas, water, and certain solid materials. Compared with solid steel such as round steel, steel pipe has lighter bending and torsional strength, and is an economical profile.
 
Widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile drive shafts, bicycle frames, steel scaffolding for construction, etc. Steel pipes are used to make ring parts, which can improve material utilization, simplify manufacturing processes, and save materials and processes.

From the process point of view, the seamless steel pipe is rolled, round steel heated, pierced, hot rolled, sized, and straightened once.

Seamed steel pipes are also called welded steel pipes. They are welded by bending deformation of steel plates or strips. There are straight seam welded pipes and spiral welded pipes (spiral welded pipes are generally large diameter).

The seamless steel pipe is made by perforating the whole round steel, and the steel pipe without weld seam on the surface is called the seamless steel pipe. According to the production method, seamless steel pipes can be divided into hot-rolled seamless steel pipes, cold-rolled seamless steel pipes, cold-drawn seamless steel pipes, extruded seamless steel pipes, and pipe jacking.

According to the cross-sectional shape, seamless steel pipes are divided into two types: round and special-shaped. Special-shaped tubes include square, oval, triangular, hexagonal, melon-shaped, star-shaped, finned tubes, etc. The maximum diameter is 900mm and the minimum diameter is 4mm. According to different purposes, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes.

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API 5L Carbon Steel Seamless Pipe

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Certification
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AISI 1018 Seamless Carbon Steel Pipe

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ASTM A106 Seamless Carbon Steel Pipe

Alloy
A106
Certification
ASTM
Method
Seamless
Surface
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ASTM A53 Seamless Carbon Steel Pipe

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A53
Certification
ASTM
Method
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Surface
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Square Carbon Seamless Steel Pipe

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Option
Certification
ASTM/AISI
Method
Seamless
Surface
Custom
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Seamless Carbon Rectangular Steel Pipe

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Option
Certification
ASTM/AISI
Method
Seamless
Surface
Custom
Read moreget quote
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