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LINE PIPE
Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well bore.
A53 tube and A106 tube
ASTM A53 is the standard specification for black and hot-dip, galvanized, welded, and seamless pipe.
ASTM A106 is the standard specification for seamless carbon steel pipe for high temperature applications.
A53 pipe vs. A106 pipe – pipe application types
A53 can be welded or seamless, depending on the circumstances of purchase. It is a general steel pipe specification covering galvanized pipes and black pipes. A106 is a chemically similar pipe but suitable for high temperature applications (up to 750 degrees Fahrenheit). It is a seamless tube.
A53 tube and A106 tube – chemical composition
When we compared A106-B and A53-B Seamless pipe from a chemical composition perspective, we found: A106-B contains the least silicon. 0.10%, of which A53-B is 0%. Silicon is an important element in improving heat resistance standards. A106-B contains 0.29-1.06% manganese, of which A53-B contains 1.2% manganese. A106-B has low sulfur and phosphorus content, with a maximum content of 0.035%, of which A53-B contains 0.05% and 0.045% respectively.
A53 Pipe vs A106 Pipe Mechanical Properties
| Spec | Mechanical Properties | |||
| Grade A | Grade B | Grade C | ||
| ASTM A53 | Tenside strength, min, psi (MPa) | 48000(330) | 60000(415) | |
| Yield strength, min, psi (MPa) | 30000(205) | 35000(240) | ||
| ASTM A106 | Tenside strength, min, psi (MPa) | 48000(330) | 60000(415) | 70000(485) |
| Yield strength, min, psi (MPa) | 30000(205) | 35000(240) | 40000(275) | |
