Hello
Comparing the allowable values of SA 387-22-1 in ASME II D, table 5A, to those of SA 387-22-2, it is obvious, that different trend curves have been used, resulting in higher values for Class 1 at temperatures higher than 540°C. To remind, both have the same chemical composition and Class 2 has higher room temperature values.
In table 5A, there is a Note H1 for SA 387-22-1 indicating only "annealed".
Questions:
1) Do values in table 5A for SA387-22-1 apply only, if the heat treatment is annealed? If yes, where can I find allowable values for delivery condition "normalized and tempered" also possible for Class 1?
2) Does anyone know literature concerning this better behaviour in annealed condition compared to normalized and tempered condition?
3) Where can I find the exact definition of "annealed"? The definition for "full annealing" in ASTM A941 is not very precise: "austenizing and cooling slowly through the transormation range". Is there any specific value for "slowly"?

Regards