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Technical Discussions
aldo
Engineering
Italy, Joined Jan 2009, 39

aldo

Engineering
Italy,
Joined Jan 2009
39
06:34 Jul-31-2009
MPT on cast iron

Is possible to do the MPT on caston iron (magnetic particle testing)? I do this answer because was a question on II level quiz....
I answered that do not possible to do MPT because caston iron is not ferromagnetic material...but correct answer saied that was possible......
I hope your suggestion....
Tanks and best regards...
Aldo

    
 
 
anjafo
NDT Inspector
Norway, Joined Aug 2009, 204

anjafo

NDT Inspector
Norway,
Joined Aug 2009
204
23:17 Aug-12-2009
Re: MPT on cast iron
In Reply to aldo at 06:34 Jul-31-2009 (Opening).

cast iron is ferromagnetic

stainless steels are not for example

    
 
 
S.Palanivelu
Engineering, - Steel Valve foundry
India, Joined Mar 2009, 2

S.Palanivelu

Engineering, - Steel Valve foundry
India,
Joined Mar 2009
2
19:52 Oct-22-2009
Re: MPT on cast iron
In Reply to anjafo at 23:17 Aug-12-2009 .

U can do MT testing on Cast iron.. it is ferromaganet material..

    
 
 
Jim Draper
Consultant, ASNT Level III MT PT RT VT
Draper NDT, USA, Joined Jul 2009, 99

Jim Draper

Consultant, ASNT Level III MT PT RT VT
Draper NDT,
USA,
Joined Jul 2009
99
16:10 Oct-23-2009
Re: MPT on cast iron
In Reply to S.Palanivelu at 19:52 Oct-22-2009 .

Cast iron is ferromagnetic, and some stainless steels are also. The three elements that are ferromagnetic are iron, nickel and cobalt.

    
 
 
chen zhiqiang
Teacher, - - engineering for
HEBEI UNIVERSITY COLLEGE OF Qlty.&Tech., China, Joined Oct 2009, 5

chen zhiqiang

Teacher, - - engineering for
HEBEI UNIVERSITY COLLEGE OF Qlty.&Tech.,
China,
Joined Oct 2009
5
01:27 Oct-26-2009
Re: MPT on cast iron
In Reply to Jim Draper at 16:10 Oct-23-2009 .

yes ,cast iron is ferromagnetic material and suit for PMI,and ferromagnetic material including iron,nikle,cobalt and relative self alloyed(such as carbon steel,alloyed str.steel etc.) not suitble for nonferrous( such as Al.copper,austain stainless steel).

    
 
 
Azhar Jamil
NDT Engineer
Panama, Joined May 2006, 17

Azhar Jamil

NDT Engineer
Panama,
Joined May 2006
17
06:55 Oct-26-2009
Re: MPT on cast iron
In Reply to chen zhiqiang at 01:27 Oct-26-2009 .

We can do the MPI of cast iron. If you are not sure about any material that is ferromagnetic or not, just check with a small magnet (or with yoke) prior to inspection .
regards

    
 
 

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