Standard Specification for Seamless, Welded, and …
approved in 1948. Last previous edition approved in 2016 as A312/A312M – 16. DOI: 10.1520/A0312_A0312M-16A. 2 For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-312 in Section II of that Code. 3 For referenced ASTM standards, visit the ASTM website,, or contact ASTM Customer Service …