API 2H Plate

From extreme heat and massive swells to bitter cold and heavy rains, industries operating offshore regularly encounter hazardous environments. Equipment must be built following stringent codes using high-quality materials like API 2H steel plate to protect against premature degradation.

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API 2H Steel Plate Benefits

API 2H is an intermediate-strength and normalized structural steel plate developed for the welded construction of offshore structures. This material grade is regulated by the American Petroleum Institute, or API, and exhibits the following characteristics: 

  • Excellent fracture resistance 
  • High impact toughness
  • Fatigue loading resistance
  • High yield strength
  • Lamellar tearing resistance

Typical Applications

Universal Steel America stocks API 2H steel plate with thicknesses from 1/4 to 4 inches in the normalized condition. Width and length restrictions exist, depending on plate weight and mill capabilities. Specialized testing and chemical or physical requirements vary to best suit the final application. Common uses for API 2H steel plate include: 


  • Offshore structures
  • Tubular joints
  • Piling material
  • Bridge construction
  • Pipelines
  • Industrial fans
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Requirements & Characteristics 

While API 2H steel plate was originally designed as a structural steel for offshore projects, stringent chemical composition controls make it ideal for other applications. Examples include base rings and cylinders for heavy-duty cranes and fracture-critical applications that require heightened resistance to vibration and torque.

At Universal Steel America, our standard stock includes API 2H with supplements S1, 2, 3, 4, and 5. API material carries a comprehensive list of additional supplemental code requirements, as well as multiple grades, which are all available upon request. In addition to standard stock and code requirements, we have mill sources across the world capable of producing material to meet precise job specifications.

Optimize your application with high-quality API 2H steel plate from Universal Steel America. Devoted to supplying clients with excellent materials on time and within budget, we’re on your side.