Jose Apraiz Barreiro Tratamientos Termicos De — Los Acerospdf Best !link!

Apraiz warns that slow cooling through 450–550°C after tempering, or holding in that range, can cause intergranular fracture in alloy steels (especially with Mn, Cr, Ni, Sb, P). Rapid cooling through that range avoids it.

: Softening the steel for better machinability and removing internal stresses. Apraiz warns that slow cooling through 450–550°C after