Refer to Chapter III 323.2.2 and 323.3 and Chapter IV 328.2.1(d)for impacts testing. Hardness test requirements are for production welds per 331.1.7. Many Owners/Engineers will specify hardness testing for procedure qualification to meet the Table 331.1.1 requiremnts.
More than likely no impact testing will be required. See Table 323.2.2 A-6 and B-6. Impact testing is not required at design temperature > or = to -325 F.