Rasoul Sadeghi

4 Questions 6 Answers 0 Followers

Questions related from Rasoul Sadeghi

Is there any obvious different between 0.06% and 0.02% Sulphur carbon steel on their optical metallographic image?

It is an LD converter steel with 0.25% C and 0.5 Si and 0.6% Mn.

12 December 2016 2,130 4 View

Steel with 0.12% C and 0.5%Mn and 2% Si and 0.2% Cr is belonged to which group of steels?

It is a sample from a ring with 45 HRC hardness.I wonder why does it have high harness while there is low amount of carbon in its composition

12 December 2016 4,127 4 View

Dear All. would you please help me to identify a group of particles in the microstructure of my grey iron?

It is a grey iron with 3.5% C, 1.4% Si , 0.8% Mo, 0.3% Cr and 0.1% Cu and also with late inoculation. The microstructure is containing pearlite, graphite ferrite, and some small carbide. But I...

11 November 2016 9,759 10 View

What is the most affordable and reasonable way to increase abrasion resistance of carbon steel surface?

we are in developing abrasion resistance of warm screws which are using for squeezing palm oil fruit ( containing some sand and other hard particle from farming lands). Because of their heavy...

03 March 2015 9,378 6 View