ABTER STEEL is a leading China supplier of ASTM A213/ASME SA213 alloy steel tubes, steel grades includes T2, Т11, Т12, Т22, Т91, T92,etc, we can offer you ASTM A213 steel tube of all grade and dimension range.ASTM A213 specification covers seamless ferritic and austenitic steel boiler, super heater, и теплообменные трубки.