SA210 Gr.A Alloy Seamless Pipes ASTM A210 Grade A-1 Carbon Steel Seamless Tubes are Medium Carbon Steel Tubes with max 0.27 % carbon content with combination of max 0.93 % manganese. These Tubes are most commonly used for general purpose applications worldwide. ASTM A210 Grade A-1 Tubes are ductile and strong Tubes with long wearing properties. These Tubes are manufactured as per ASTM Specification and commercially referred as carbon steel Tubes.