Material Specifications Fabricated Fittings 1" - 10" Carbon Steel, Schedule 40, conforming to ASTM A53, Grade B 12" Carbon Steel, Standard Wall, conforming to ASTM A53, Grade B Coatings Rust inhibiting paint Color: Orange (standard) Hot Dipped Zinc Galvanized conforming to ASTM A153 (optional) Other available options Example: RAL3000 or RAL9000 Series
