Table 2.

Experimentally identified secondary phases in the investigated AISI 316L steel (0% CW) with subsequent annealing at 650 °C.

Sample Nr.	Annealing Time (h)	Sigma Phase	Chi Phase	M23C6 Carbide	Laves Phase
L1	5	-	-	-	-
L2	10	-	×	×	-
L3	30	-	×	×	-
L4	100	×	×	×	⊗
L5	300	×	-	×	×
L6	1000	×	-	×	×

- Secondary phases were not identified; × secondary phases were identified by electron diffraction and EDX analysis; ⊗ secondary phase was measured by EDX analysis but was not confirmed by electron diffraction