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Comparison of Mechanical Properties and Creep Responses of HSLA Steels

In this paper, some interesting, experimentally obtained data related to mechanical properties and creep behavior of different high-strength low-alloy steels are presented. Materials under consideration are ASTM A618 steel and ASTM A709 Gr 50 steel. Stress versus strain behavior at elevated temperatures as well as creep behavior at selected temperatures and selected stresses were considered for both types of steels. Curves of the temperature effect on ultimate strength and 0.2 offset yield strength and specimen elongations for these steels are also presented.

ASTM A618 steel; ASTM A709 steel; elevated temperature; mechanical properties; creep behavior

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