ASTM A871
The ASTM A871 specification is the Standard Specification for High-Strength Low-Alloy Structural Steel Plates with Atmospheric Corrosion Resistance used in tubular structures and poles. Grades 60 and 65 are available in the as-rolled, normalized, or quenched and tempered delivery conditions as required to achieve the specified mechanical properties. The required ASTM G101 Corrosion Resistance Index must be ≥ 6.0.