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Casing Pipe are made from carbon steel. Oil casing tubing is used to extracting petroleum and natural gas from a well. Casing serves as wall of well.Mechanical Properties
Grade Yield Strength Tensil Strength Hardness Allowable Hardness
Variation
Min Max Min Max
Psi Mpa Psi Mpa Psi Mpa Hrc Bhn Hrc
J55 55,000 379 80,000 552 75,000 517 - - -
K55 55,000 379 80,000 552 95,000 655 - - -
N80 80,000 552 80,000 758 100,000 689 - - -
