Q125 HP Steel Grade Specifications

Q125 HP is a high-performance steel grade manufactured to meet the rigorous demands of the oil and gas industry, particularly for applications requiring exceptional collapse resistance. This product is designed to exceed the minimum internal yield pressure for standard API Q125, offering superior performance and reliability.

Mechanical Properties

• Minimum Yield Strength: 135,000 psi
• Maximum Yield Strength: 150,000 psi
• Minimum Tensile Strength: 140,000 psi
• Maximum Hardness: No specific limit – hardness variation requirement

The mechanical properties of Q125 HP steel grade are engineered to provide a high margin of safety against yield and tensile failure, even in the most challenging downhole conditions.

Manufacturing Standards

Q125 HP is manufactured in accordance with API specification 5CT, which is an industry benchmark ensuring the product's quality and consistency. This specification covers the manufacturing, testing, and certification of oil and gas industry tubular goods.

Collapse Resistance

Q125 HP is distinguished by its high collapse resistance, surpassing the minimum internal yield pressure required for standard API Q125 grades. This enhanced performance makes it an ideal choice for applications where the risk of collapse is a critical concern.

References

• American Petroleum Institute. (n.d.). API Specification 5CT - Specification for Casing and Tubing. Retrieved from https://www.api.org/standards/pipeline

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