Wr. 1.7225 is DIN/EN standard steel grade. Some customers confuse the grade 1.7225 and 42CrMo4. So, Is Material 1.7225 same to 42CrMo4 ?

According to DIN EN standard EN10083 latest version, 42CrMo4 is the steel name while 1.7225 is the steel number. So, both refers to the same materials.

Is Material 1.7225 same to 42CrMo4, yes, according to EN10083, it's same material.