ASTM A451 / A451M

This specification covers austenitic alloy steel pipe for use in high-temperature, corrosive, or nuclear pressure service.

Chemical Properties

Grade	Carbon, max	Manganese, max	Phosphorus, max	Sulfur, max	Silicon, max	Nickel	Chromium	Molybdenum	Columbium	Tantalum, max	Nitrogen

Mechanical Properties

Grade	Tensile strength, ksi [MPa]	Yield strength, min, ksi [MPa]	Elongation in 2 in. [50 mm], min, %