Steel Engine Block Weight

Why don t you see engine blocks made of steel.
Steel engine block weight. This is especially important when you consider that every bit of that weight is over the front axle which is a detriment to handling. Iron or aluminum seem to be popular for either its weight saving or durability and strength. Sbc 360 sprint car engine. Its commonly used with engine internals so why not blocks.
I know iron is more malleable than steel but steel being mixed with carbon is stronger than iron so why not use it. For a small car you would expect an engine weight of 150kg 330 pounds while a large v8 diesel can weigh over 350kg 771 pounds. Many blocks are half the weight of traditional iron blocks. The engine consists of different components and the weight of the engine depends largely on the type of car.
Ford c4 185 3 speed auto 152 small block c 6 150 lbs transmission weight drained without torque converter 35 lb torque converter weight mostly drained ford aod 184 4 speed auto 154 without fluid.