Reply to the question of Mr K D Pandithan
As per the recommendation of Special Metals--US A
Following grades are recommended for dissimilar welding of 625 to grade 310 S Steel
1--INCONEL 617==ERNICRCOMO-1 FOR HIGHEST TEMP SERVICE (INCO 617 HAS HIGH COBALT CONTENT)
2--INCONEL 625==ERNICRMO-3 FOR MEDIUM TEMP SERVICE
3--INCONEL 82=ERNICR-3 FOR LOWER SERVICE TEMP
Regards
C C GIROTRA
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On Thu, Nov 25, 2021 at 10:23 AM <materials-welding@googlegroups.com> wrote:
Kannayeram Gnanapandithan <kgpandithan@gmail.com>: Nov 24 10:59AM +0530
inconel 625
THANKS & BEST REGARDS,
KG.PANDITHAN, BE, IWE, CSWIP 3.1,
ISO 9712 Level 2 in VT,
ASNT-Level II in PT,MT,RT & UT,
LA ISO 9001-2015,
International Welding Engineer.
CONSULTANT-WELDING & QUALITY
Mobile no: +919940739349
Arun Padman <arunpadman0105@gmail.com>: Nov 24 10:23AM +0300
Dear,
ER NiCrMo-3 is suitable to weld 625 to 600/625/825/C-22/B-2 etc., not 310.
Regards,
*Arun Padman Manayil*
P Save a tree. Please don't print this e-mail unless you really need to
Kannayeram Gnanapandithan <kgpandithan@gmail.com>: Nov 24 02:45PM +0530
Why Inconel 625 is not suitable, could you elaborate to understand.
THANKS & BEST REGARDS,
KG.PANDITHAN, BE, IWE, CSWIP 3.1,
ISO 9712 Level 2 in VT,
ASNT-Level II in PT,MT,RT & UT,
LA ISO 9001-2015,
International Welding Engineer.
CONSULTANT-WELDING & QUALITY
Mobile no: +919940739349
On Wed, Nov 24, 2021 at 1:39 PM Arun Padman <arunpadman0105@gmail.com>
wrote:
sajeed zaheer <sajeed7674@gmail.com>: Nov 24 12:18PM +0300
For the first point the filler you can used ER Ni cr Mo-3
For dish head after cold forming it depends on fiber elongation of
material usually 5 to 10 fiber elongation PWHT is required and above 10
Normalizing and tempering is required.
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