AISI 310 Stainless Steel Heat Treatment. The following contents give AISI 310 grade stainless steel heat treatment temperature of including annealing, forging, etc. Recommended annealing temperature for 310 & 310S wrought stainless steel: 1040 °C (1900 °F). Typical forging temperature range: 980-1175 °C (1800-2145 °F)