What is the difference between ASTM A249 and A213?
Feb 20, 2025
What is the difference between ASTM A249 and A213?
ASTM A213 and ASTM A249 are both standards for seamless and welded stainless steel pipe under the ASTM standard in the United States, but they differ in their uses and manufacturing processes. The following are their main differences:
Applications
ASTM A213: Mainly used for seamless tubes of ferritic and austenitic alloy steel for boilers, superheaters and heat exchangers.
ASTM A249: Mainly used for austenitic steel welded steel tubes for boilers, superheaters, heat exchangers and condensers.
Manufacturing Processes
ASTM A213: relates to the manufacture of seamless steel tubes.
ASTM A249: relates to the manufacture of welded steel tubes.
