Standard SpeciÞcation for Seamless, Welded, and …
Last previous edition approved in 2018 as A312/A312M Ð 18a. DOI: 10.1520/A0312_A0312M-19. 2 For ASME Boiler and Pressure Vessel Code applications see related SpeciÞ-cation SA-312 in Section II of that Code. 3 For referenced ASTM standards, visit the ASTM website,, or contact ASTM Customer Service at …