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Caing pipe L80 ,N80 casing tubing - Higher Overall performance Steel Grades

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Caing pipe L80 , N80 casing tubing - Higher Overall performance Steel Grades 

L80 HC is usually a controlled yield strength solution with demonstrated collapse resistance exceeding the minimum values for regular API L80.
 
L80 is actually a controlled yield strength solution using the highest demonstrated collapse resistance and with all the added benefit of a greater than minimum internal yield pressure than normal API L80.
CASING TUBING Minimum Yield  Maximum Yield  Minimum Tensile  Maximum Hardness
L80 Casing  pipe H-C 80,000 psi 95,000 psi 95,000 psi 23.0 HRC
L80  Casing pipe H-P 85,000 psi 95,000 psi 95,000 psi 23.0 HRC
N80 Casing  pipe H-C 80,000 psi 110,000 psi 100,000 psi None
N80 Casing  pipe H-P 95,000 psi 110,000 psi 100,000 psi None
N80 HC is a product having a demonstrated collapse resistance exceeding the minimum values for regular API N80.
N80 HP is really a product with all the highest demonstrated collapse resistance exceeding the minimum internal yield stress for typical API N80.\
 
Caing pipe L80 , N80 casing tubing

 

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