DIN spec and SAE spec are having corelation with slight variation in range of chemistry. For details please write to
joyjit_b@ hotmail.com.
Thanks. Bakshi.
Dear KIPP
You want to harden and temper Aisi 4140 to various hardness levels.Pl write the the shape and dimension of the product you want to heattreat. I have the answer to your problems. Pl write to me in the following E-mail address,
Jayjit Bakshi. ( joyjit_b@hotmail.com)
Thanks-----Jayjit.