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Metallurgy Interview Questions
Questions Answers Views Company eMail

Differentiate between ferrite percentage and ferrite number?

1114

What is carbide?

1032

What is power metallurgy?

1093

Explain the concept of casting and forging?

968

What is duplex and super duplex steel?

1053

What is d2? What is it used for?

999

Which liquid would oyu use to dissolve gold?

1048

Differentiate between stainless steel and alloy steel?

967

What is a silver in deming drill bit?

1063

Which type of welding is used for welding of duplex and super duplex steel?

970

What is impact energy?

1005

You are required to calculate a heat affected zone in weld. How would you do that?

1021

How gold can be separated from mercury?

1058

What are allotropes?

1019

What is the composition of d2?

1026


Post New Metallurgy Questions

Un-Answered Questions { Metallurgy }

1)We are using OHNS material for manufacturing Thread & plain Gauges.What is the excat composition of OHNS for Gauges? 2)Which is the reference standard book for OHNS Material composition for Gauges?

4949


How do 304 stainless steel and 316 stainless steel weld to each other? I am hoping my medical device prospect will be able to weld a component made in 316 ss via metal injection molding toa 304 ss tube.

1041


Explain the uses of iron ferrite?

1034


What is the melting point of brass?

1057


Why duplex or super duplex stainless steels are welded with low heat input type electrode?

1041


what is the difference between stainless steel and alloy steel?

1020


For define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.

1002


What Is cold working of metals? Give some of its principal methods.

1148


What makes super alloys useful for land-based turbines?

949


I currently use 17-7 PH stainless which is hardened to condition CH after forming. raw matl is .1.75"X .12" X .008". Its main usage after hardening is silicon wafer retainer where it's contantly cycled up and down to putin and remove wafer after 40-60 sec process at 400C temp. At this high temperature this part seemed to deform after a a couple of hundred wafer which is what it was designed for in the first place. THere is a proposal to go to a different material to increase lifeline of this part. My question is..... can 321 SST be a plugin replacement. I know this has a higher temp rating but how about its forming characteristics, will it have spring properties, and wont become brittle after prolonged exposure to 400C.

2440


Differentiate between ferrite percentage and ferrite number?

1114


Why post-heating is done in alloy steel welding?

1054


How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny?

981


How can you find out define what kind of stainless steel was used in making a stainless object?

1028


What is select miller cutter?

1147