Re: [MW:35283] parent mental is 25crmo4 to 25crmo4. Is 80S-B2 filler material is suitable or anything else one plz suggest

Mr. Mehul Patel,

For welding 25CrMo4 steels, a 175 to 250-degree C preheat is suggested to avoid  

hot cracks, martensite forming, and residual stress concentration. Avoid rapid cooling  

to control increased hardness and brittleness.

E/ER 80S B2 contains around  0.08% C, 1.30% Cr, 0.55% Mo, and UTS & YS are 590 

& 490 MPa, and compatible with base metal.

Sridhar.

On Sun, 15 Sept 2024 at 15:34, Mehul Patel <vmgmehul@gmail.com> wrote:

Dear Experts'

Plz suggest me filler metal for 25crmo4 & explain 80S-B2. 

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