Heat input max.is 1.5
On Mar 30, 2014 4:00 AM, "Kostas Migiakis" <kmigiakis@gmail.com> wrote:
-- --100% Ar may be the reason of having high ferrite content on your welds.You need to add a γ-stabilizer element (such as Nitrogen) in your weld pool if you want to increase austenite amount in the microstructure.Ar+2N is common for this welds. There are cases where Ar+5N has been used (but in these cases there is danger of porosity)By the other hand did you do strict control on Heat Input?What was the value of HI?
Best RegardsDr. Kostas MigiakisMaterials & WeldingPure Argon is to be used for this material. We had asked for Ar+2%N mixture but customer had rejected.
On Mar 29, 2014 5:27 PM, "Kostas Migiakis" <kmigiakis@gmail.com> wrote:----Dear HrushikeshWhat type of gas mixture did you use for the specific welds?
Best RegardsDr. Kostas MigiakisMaterials & WeldingHi all,--Base Metal: SUS 329J4LFiller Metal: WEL TIG 329J4LTProcess: GTAWFerrite required (%Fe): 30-55%Presently the ferrite obtained is on higher side.%Fe=60-65.Wanted good welding practice if any one worked with this material. Kindly help with some literature for the same.
--
Hrushikesh H Sangamnerkar09724738118
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