GB/T 8163 Carbon Steel Tube Seamless Steel Pipe For Conveying Fluid

Instruction

GB/T 8163 Carbon Steel Tube Seamless Steel Pipe For Conveying Fluid

 

Material
The GB/T 8163 standard specifies the use of carbon steel for the manufacturing of seamless steel pipes intended for conveying fluids. Carbon steel is a popular material choice due to its excellent mechanical properties, durability, and affordability. It is widely used in various industries for fluid transportation applications.

 

Specification
The specifications of GB/T 8163 Carbon Steel Tube Seamless Steel Pipe are as follows:

Outer Diameter	Wall Thickness	Length
10mm-426mm	2mm-40mm	Random/6m

The outer diameter of the pipe ranges from 10mm to 426mm, while the wall thickness varies from 2mm to 40mm. The standard pipe length is either random or 6 meters long.

 

Chemical Composition
The chemical composition of GB/T 8163 Carbon Steel Tube Seamless Steel Pipe is as follows:

Element	Composition (%)
C (Carbon)	0.17-0.24
Si (Silicon)	0.17-0.37
Mn (Manganese)	0.35-0.65
P (Phosphorus)	≤ 0.030
S (Sulfur)	≤ 0.030
Cr (Chromium)	≤ 0.25
Ni (Nickel)	≤ 0.25
Cu (Copper)	≤ 0.25
Nb (Niobium)	≤ 0.07
V (Vanadium)	≤ 0.07
Al (Aluminum)	≤ 0.020
Ti (Titanium)	≤ 0.020

 

Mechanical Properties
The mechanical properties of GB/T 8163 Carbon Steel Tube Seamless Steel Pipe are as follows:

Steel Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Energy (J)
10	335-475	≥ 205	≥ 24	≥ 27
20	410-550	≥ 245	≥ 20	≥ 27
Q345	470-630	≥ 345	≥ 21	≥ 34
Q390	490-650	≥ 390	≥ 19	≥ 34
Q420	520-680	≥ 420	≥ 19	≥ 34
Q460	550-720	≥ 460	≥ 17	≥ 34

 

Steel Grade
GB/T 8163 Carbon Steel Tube Seamless Steel Pipe is available in different steel grades to suit various applications. The commonly used steel grades include:
• 10
• 20
• Q345
• Q390
• Q420
• Q460

 

Application
• GB/T 8163 Carbon Steel Tube Seamless Steel Pipe is extensively used for conveying fluids in various industries. It finds applications in the transportation of water, oil, gas, and other fluids in pipelines, as well as in the construction of infrastructure projects, such as bridges and buildings.
• The seamless design of these pipes ensures smooth fluid flow and reduces the risk of leaks or failures. Their high tensile strength, yield strength, and good elongation properties make them suitable for demanding fluid transportation systems that require reliability and durability.