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
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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 |
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＞30～50 |
±0.3 |
≤30 |
±10％ |
|
|
＞50～219 |
±0.8％ |
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Hot rolled tube |
＞219 |
±1.0％ |
＞20 |
±10％ |
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Standard |
Grade |
chemical composition % |
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|
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 |
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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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