ASTM A519 4140

ASTM A 519 – Seamless Carbon and Alloy Steel Mechanical Tubing ASTM A519 covers several grades of carbon and alloy steel seamless mechanical tubing. When welding is used for joining the weldable mechanical tube grades, the welding procedureĀ shall be suitable for the grade, the condition of the components,and the intended service. This speciļ¬cation covers both…