From: Microstructural, mechanical, and electrochemical analysis of carbon doped AISI carbon steels
AISI Steel Grade | Austenitizing Temp. (°C) | Austempering Temp. Bs (°C) | Martensitic start Temp. Ms (°C) |
---|---|---|---|
1020 | 900 | 520 | 420 |
1030 | 870 | 495 | 363 |
1040 | 850 | 450 | 352 |
1045 | 840 | 395 | 331 |
1050 | 820 | 370 | 300 |