| Payment Type: | T/T,D/P,L/C |
| Incoterm: | FOB,CFR,CIF,EXW |
| Transportation: | Ocean,Land,Express |
| Port: | Tianjin,Qingdao,Shanghai |
Model No.: 10# 20#
Standard: Gb
Material: 10#-45#, Q195-Q345, Crni Alloy, Mn-V Alloy, Cr-Mo Alloy
Section Shape: Round
Place Of Origin: China
Application: Boiler Pipe, Structure Pipe, Hydraulic Pipe, Fluid Pipe
Production Process: Hot Rolled
Certification: Ce
Special Tube: Thick Wall Pipe
Whether Alloy: Is Alloy
Tolerance: ±1%
Category: Seamless Steel Pipe
Processing Service: Cutting, Bending, Decoiling, Punching
| Selling Units | : | Ton |
| Package Type | : | Standard marine packaging, or as required by the customer |
| Picture Example | : |
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GB 8163 steel pipe is a Seamless Steel Pipe for fluid transportation (GB/T8163-2018), which is a general seamless steel pipe for conveying water, oil, gas and other fluids.
GB 8163 is a Chinese standard that specifies the technical requirements for seamless steel pipes used for fluid transportation. It covers various grades of steel, such as 10#, 20#, Q345B, and 27SiMn.
GB/T 8163 ASTM A106 A53 Cold Rolling Seamless Steel Pipe
GB/T 8163-2008 specifies the requirements for seamless steel pipes used for fluid transportation, while ASTM A106 and ASTM A53 are American standards for seamless carbon steel pipes used in various industries.
GB/T 8163-2008 Fluid Transport Seamless Steel Pipe
GB/T 8163-2008 fluid transport seamless steel pipes are commonly used in various industries, including structure steel, fluid pipe, Boiler Pipe, gas pipe, and oil pipe.
| Steel Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
| 10 | 0.07-0.14 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | ≤0.15 | ≤0.25 | ≤0.25 |
| 20 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
| Q345 | 0.12-0.20 | 0.20-0.55 | 1.20-1.60 | ≤0.045 | ≤0.045 | / | / | / |
| Steel grade | Tensite strength（MPa） | Yield strength（MPa） | Elongation（％） |
| 10 | 335-475 | ≥205 | ≥24 |
| 20 | 410-550 | ≥245 | ≥20 |
| Q345 | 490-665 | ≥325 | ≥21 |
| Types of steel tubes | Outer diameter | Wall thickness | ||
| Cold-rolled tubes | Tube sizes(mm) | Tolerances(mm) | Tube sizes (mm) | Tolerances(mm) |
| ＞30-50 | ±0.3 | ≤30 | ±10％ | |
| ＞50-219 | ±0.8％ | |||
| Hot-rolled tubes | ＞219 | ±1.0％ | ＞20 | ±10％ |
GB 8163 seamless steel pipes are primarily used for fluid transportation in industries such as petroleum, natural gas, and chemical engineering. They are suitable for conveying liquids, gases, and other fluids under various temperatures and pressures.
The standard specifies different grades of steel for GB 8163 seamless steel pipes, such as 10#, 20#, Q345B, and 27SiMn. These grades have specific chemical compositions and mechanical properties to meet the requirements of fluid transportation applications.
GB 8163 seamless steel pipes are typically manufactured through processes such as hot rolling or cold drawing. These processes ensure the pipes have precise dimensions, smooth surfaces, and good mechanical properties.
GB 8163 seamless steel pipes are available from manufacturers and suppliers in China. They come in different sizes, grades, and specifications to meet specific project requirements.
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