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Sunrise petro : USS RYH110 Steel Grade Specifications

2024-04-23 16:07 173 views

USS RYH110 Steel Grade Specifications

USS RYH110 is an ERW (Electric Resistance Welded) proprietary restricted yield strength grade designed for general use in deep wells. It is not generally considered suitable for sour condensate wells due to its specific mechanical properties and chemical composition.

Mechanical Properties

  • Minimum Yield Strength: 110,000 psi
  • Maximum Yield Strength: 125,000 psi
  • Minimum Tensile Strength: 120,000 psi
  • Maximum Hardness: 31.0 HRC (mean), 32.0 HRC (individual)

The restricted yield strength and hardness of USS RYH110 are achieved through precise controls of its chemical composition, heat treatment, and hardness levels. This ensures the steel's reliability and performance in deep well applications.

Standards and Testing

Inspection requirements and dimensional tolerances for USS RYH110 adhere to the API 5CT specification for grade P110 PSL 1. This ensures that the product meets the quality and performance standards necessary for safe and efficient use in the oil and gas industry.

One quadrant through-wall hardness testing is conducted at a frequency of two per 100 pieces per heat lot, providing additional quality control and assurance of the material's consistency.

The couplings used with USS RYH110 are seamless and made from USS RYS110 grade, ensuring compatibility and maintaining the high-performance standards of the product.

The performance properties of USS RYH110 are consistent with those of grade USS RYS110, as detailed in the Casing Tables.


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

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