Javed Kamran

9 Questions 11 Answers 0 Followers

Questions related from Javed Kamran

Why grade A36 carbon steel is not recommended for storage of concentrated sulfuric acid(above 98%)?

Literature recommends that carbon steel is the appropriate material for storage of concentrated sulfuric acid (above 98%) at ambient temperature. But usage of grade A36 as material of construction...

07 July 2018 5,913 4 View

Which Grade of carbon steel be used as material for storage tanks of sulfuric acid at 99% concentration at 38 °C?

It is reported in literature that carbon steel is generally satisfactory for storage tank for sulfuric acid at or above 98%. Which grade of carbon steel is promising for this purpose?

07 July 2018 5,088 1 View

What is the maximum permissible limit of Zinc, Cu, Al, & Sn in AISI 304, & 321 Austenitic stainless steel?

Low melting point metals like Zn, Cu, Al, Sn etc form intermetallic compounds when present in austenitic stainless steel. Can anyone tell about the maximum permissible limit of these impurities...

04 April 2016 9,853 3 View

What is the effect of Zn, Cu, Al, V, Na & Sn on mechanical properties especially the % elongation of AISI 321 Austenitic stainless steel?

What is the permissible limit of low melting impurities like Zn, Al, Cu, V, Na & Sn in AISI 321 steel. What is the impact of these impurities on mechanical properties of AISI 321 if these...

04 April 2016 7,432 0 View

What is the possibility and amount of formation of matrensite during cold working at 27 0C, If Md30 temperature for AISI 321 is calculated as 9 0C.

Martensite formation in AISI 321 depends upon the chemical composition, SFE, Md30 temperature and % age of cold work. The Md30 temperature of a given AISI 321 steel according to the equation...

04 April 2016 5,906 1 View

What is a good etchant for AISI 321 stainless steel?

which etchant gives good results in order to reveal the microstructure of AISI 321 stainless steel?

04 April 2016 3,177 8 View

What is the Relationship between misorientation angles/axis & angle/axis for coincidence site lattices.Can these be related to deformation mechanism?

I am working on evolution of microstructure and texture of magnesium based alloys during heavy reduction. I need to know the role of Σ5a ,Σ17a, Σ19a and Σ27a, CSL boundaries in terms of dynamic...

01 January 2015 1,061 3 View

What could be the reasons of grain coarsening during tensile testing of Mg alloys?

Grain coarsening of a specific magnesium alloy during tensile testing has been observed which not only increased the hardness of the material but very surprisingly the texture got weaker. Please...

01 January 2014 8,894 6 View

Under what conditions during processing of magnesium alloys does the Hall-Petch relation reflect in reverse?

Does the Hall-Petch relation of finer the grain size higher the hardness hold to all Mg alloys? If some Mg alloys show reverse Hall-Petch relation, what could be the reasons?

09 September 2013 6,552 6 View