Unit System Choice
Select the desired unit system. The metric unit system is working with mm, m/sec, N, N/mm2. The american unit system is working with inches, ft/min, p.s.i.. When changing the unit system the data will be cleared out.
The choice is between Italian, English, French and German
The first choice is between the carnon steels (with carbon content between 0,1% and 1,0%) and other alloys are including stainlesssteel, aluminium, bronze, zinc, copper