ASTM A672 pipe is a steel pipe welded using electricity for high-pressure use in moderate temperature environments. ASTM A672 pipe is used in power plant, oil and gas, and petrochemical sectors for high strength and durability. ASTM A672 specification comes in a variety of grades with different chemical and mechanical properties to meet different applications. https://www.metaaerospaces.com/carbon-astm-a672-pipe-manufacturer-exporter-supplier-stockist.html