The plates are generally used for the construction of welded pressure vessels when an improvement in notch toughness is required.ASTM A516 (or ASME SA516) is available in four grades,Gr55,Gr60,Gr65 and Gr70 with tensile strengths ranging from 380 MPa to 620 MPa depending on the grade.Oakley Steel supplies A516 Grade 60 and A516 Grade 70.
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