Heat treatment of petrofer oil quenching harderning in the tempering process is used to increase the hardness value of S45C steel. PT Instatama conducts heat treatment of petrofer oil harderning quenching in order to produce high quality bolts. Heat treatment process on a large scale carried out at PT. Insastama, there are problems, namely the difference between the inner hardness value and the…
Palm oil is one commodity that has a large contribution to the Indonesian economy. Nowadays,Indonesia is the largest CPO producer in the world. The many benefits of Crude Palm Oil (CPO)and Palm Kernel (PK) for the industry and the increasing demand for world markets, theprocessing industry of CPO and PK has good prospects in the future. Knowing the percentageobtained from each stage of the prod…