ASTM A519 seamless carbon and alloy steel mechanical tubing
application: for mechanical engineering
ASTM A179/ASME SA179 cold drawn low carbon steel heat exchanger and conderser tubes
application: for tubelar heat exchangers,condensers and similar heat transfer apparatus .
ASTM A192 seamless carbon steel boiler tues for high-pressure
application: for seamless carbon steel boiler and superheater tubes for high-pressure service
OD:OD :6.0-114, thickness;1mm-15mm, length:max 12 meters