ASME II A351 pdf download SPECIFICATION FOR CASTINGS, AUSTENITIC, AUSTENITIC-FERRITIC (DUPLEX), FOR PRESSURE-CONTAINING PARTS 4.1.1 A description of the casting by pattern number or drawing (dimensional tolerances shall be included on the casting drawing). 4.1.2 Grade of steel, 4.1.3 Options in the specification, and 4.1.4 Supplementary requirements desired, including the standards of acceptance. 5. Process 5.1 The steel shall be...