What is the difference between HY 80 and HLES 80 steel?

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HY 80 and HLES 80 steel are specifications for the same highly weldable steel, utilized primarily in the construction of ship and submarine hulls. The HY specification is recognized in the United States, while the HLES specification is adopted in Europe and Asia. Both designations indicate a steel that is engineered for strength and weldability, essential for marine applications.

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What is the difference between HY 80 and HLES 80 steel?
 
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HY specification is a US system, while the HLES specification is used in Europe and Asia. I'm quite sure that they both refer to the same steel (not sure if the numbers remain the same though) - a highly weldable steel often used in making hulls for ships and subs.
 
Gokul43201 said:
HY specification is a US system, while the HLES specification is used in Europe and Asia. I'm quite sure that they both refer to the same steel (not sure if the numbers remain the same though) - a highly weldable steel often used in making hulls for ships and subs.

Thanks, that's a start in right direction for me.
 

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