Form:This specification covers an aircraft-quality@ low-alloy steel in the form of round@ non-welded tubing free from OD surface seams.Application:This product has been used typically for use in airframe tubular parts requiring a minimum tensile strength of 95.0 ksi (655 MPa) as received@ or up to 180.0 ksi (1241 MPa) after heat treatment@ but usage is not limited to such applications.