SA 516 Gr 70, which is the short form for ASTM A516 Grade 70, is primarily a carbon steel plate commonly used for pressure vessel applications. While SA 516 Gr 70 offers good mechanical properties and is well-suited for high-pressure environments, it is not inherently corrosion resistant.
In applications where corrosion resistance is a critical factor, additional measures such as coating, painting, or using corrosion-resistant materials like stainless steel or specialized alloys may be necessary to protect the SA 516 Gr 70 steel from corrosion.
It is important to consider the specific operating conditions and environment when determining the best approach to mitigate corrosion in pressure vessel applications using SA 516 Gr 70 steel.