ASME A16.22 pdf download WROUGHT COPPER AND COPPER ALLOY SOLDER JOINT PRESSURE FITTINGS No.C23000，for which allowable stresses are foundin ASME B31.1，ASME B31.9,or ASME Boiler andPressure Vessel Code，Section l —Materials. (b) Other coppers and copper alloys are permitted,provided they meet the chemical requirements of 84%minimum copper and 16% maximum zinc, and providedthe fittings produced from the copper alloy meet allthe mechanical...