Ferritic stainless steel sheet for automobile brake disk rotor, automobile brake disk rotor, and hot stamping machine for automobile brake disk rotor

摘要

Mass%C: 0.001N: 0.001Si: 0.3 to 4.0%Mn: 0.01 to 2.0%P: 0.01 to 0.05%S: 0.0001Cr: 10 to 20%AndTi: 0.001 to 0.5%NB: 1 to 2% containing 0.01 to 0.8%Ferrite stainless steel sheet for automobile brake disk rotor with residual Fe and impurities.After hot stamping, the crystal grain size is 100 to 200 μ M is a particle size of less than μ It exists at the density of M2.