Dear Mr Saini,
major difference between weld with buttering and weld overlay are given below:
1. weld over lay
a. weld over lay have two types, one is hardface over lay another one is corosion resistance over lay
b. when we required harder surface with higher hardness than base materail - hardface over lay is being used
c. when we required corrosion resistant surface in order avoid correcion- corrosion resistance over lay being used
2. weld with butter
a. During dissimilar welding applaiction, buttering being used
b, when joining carbon steel to stainless steel, the carbon steel side buttering can be done before joining to SS materail
c. purpose of buttering to avoid the dilution effect & lossing of alloying elements from weld metal
you can refer AWS welding hand book for your further refernce.
Regards,
Sankaran.SP
Welding & Metallurgy expert
On Thursday 13 March, 2025 at 02:50:03 pm IST, Shahil Saini <sainishahil98@gmail.com> wrote:
Hello All,
-- Hope all are doing well,
Can anyone please explain the major difference between weld with buttering and weld overlay?
Regards & Thanks,
Shahilkumar Saini
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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