Piping Fittings of Wrought Carbon Steel and Alloy Steel …
approved in 1940. Last previous edition approved in 2018 as A234/A234M – 18. DOI: 10.1520/A0234_A0234M-18A. 2 For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-234 in Section II of that Code. 3 For referenced ASTM standards, visit the ASTM website,, or contact ASTM Customer Service …