Metallographic diagram of 45 steel (850℃×1h air cooling)
Microstructure of 45 Steel at 850°C for 1h After Air-cooling
45 steel is a medium carbon steel alloy containing 0.42-0.50% carbon, 0.60-0.90% manganese, 0.015-0.035% sulfur, and 0.50-1.0% chromium. It is widely used in applications requiring moderate strength, toughness, and wear resistance. The......