A106 Gr.B steel pipe is called seamless steel pipe for high-temperature operations. It has good high-temperature performance, excellent mechanical properties and corrosion resistance. It is especially suitable for high-temperature operating environments, such as pipes withstanding pressure. In addition, the wall thickness and outer diameter of A106 Gr.B steel pipes have high dimensional accuracy and can meet various precision manufacturing requirements.
A53 B seamless steel pipe is generally used in situations where the working environment is not too demanding. It also has high strength and good toughness, can withstand large pressure and impact force, has good corrosion resistance, and can operate stably for a long time in harsh working environments.
Therefore, if the application scenario needs to withstand high temperature and pressure, or has higher requirements for the accuracy of the steel pipe, then A106 Gr.B steel pipe may be more suitable. If the working environment is relatively mild and the performance requirements for steel pipes are not particularly high, then A53 B steel pipes may be a more economical choice.
| Specification/Property |
ASTM A106 Gr. B |
ASTM A53 B |
| Chemical Composition |
|
|
| Carbon (C) |
≤0.30% |
≤0.30% |
| Manganese (Mn) |
0.29-1.06% |
≤1.20% |
| Phosphorus (P) |
≤0.025% |
≤0.050% |
| Sulphur (S) |
≤0.025% |
≤0.045% |
| Silicon (Si) |
≥0.10% |
Not Specified |
| Chromium (Cr) |
≤0.40% |
≤0.40% |
| Nickel (Ni) |
≤0.40% |
≤0.40% |
| Copper (Cu) |
≤0.40% |
≤0.40% |
| Molybdenum (Mo) |
≤0.15% |
≤0.15% |
| Vanadium (V) |
≤0.08% |
≤0.08% |
| Mechanical Properties |
|
|
| Yield Strength |
≥240 MPa |
≥240 MPa |
| Tensile Strength |
≥415 MPa |
≥415 MPa |
| Elongation (Longitudinal) |
≥22% |
≥Not Specified |
| Temperature Rating |
|
|
| Suitable for High-Temperature |
Yes |
Limited to General Applications |
| Applications |
|
|
| Typically Used In |
Petrochemical, Boiler, Power Plant |
Plumbing, Construction, General Piping |
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