GB/T8163 10# seamless steel pipes Standard: GB/T8163Seamless steel pipe for conveying fluid The main production of steel pipe grade: 10, 20, Q345, etc. GB/T8163 10# seamless pipe 10# is a steel grade of GB/T8163 standard, GB/T81630 10# seam
GB/T8163 10# seamless steel pipes
Steel pipe type |
Outer diameter(OD) |
Wall thickness(WT) |
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Cold drawn tube |
Steel pipe outer diameter (mm) |
Tolerance |
Steel pipe wall thickness (mm) |
Tolerance |
>30~50 |
±0.3 |
≤30 |
±10% |
|
>50~219 |
±0.8% |
|||
Hot rolled tube |
>219 |
±1.0% |
>20 |
±10% |
Standard |
Grade |
chemical composition % |
|||||||
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
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GB/T8163 |
10# |
0.07~0.14 |
0.17~0.37 |
0.35~0.65 |
≤0.035 |
≤0.035 |
≤0.15 |
≤0.25 |
≤0.25 |
Standard |
Grade |
Tensile strength (MPa) |
Yield strength (MPa) |
Elongation(%) |
GB/T8163 |
10# |
335~475 |
≥205 |
≥24 |
Weight calculation formula: [(outer diameter - wall thickness) * wall thickness] * 0.02466
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