Wednesday, January 6, 2021

Re: [MW:31915] Welding of Trunnions Brackets Assembly Q355C & 42CrMo

42CrMo H+T (EN 19)  to  Q355C (S355)  - This is welding between Tool steel and   Structural steel.

WPS of S355  to  API X52 can not be used for above combination of Tool steel and   Structural steel. 

You can do following - 
Weld  a  @ 300 mm fillet joint  of  42CrMo H+T (EN 19)  to S 355  using E8018-B2  with pre heating @200 Deg C  and cool under insulation.
Do Macro test - 5nos 

Regards


On Tue, Jan 5, 2021 at 2:43 PM Hani Al Masry <hanyonalfy@gmail.com> wrote:

Dear Experts 

 

we had design one Bracket assembly for holding one Hammer trunnion 

 

the Pin is grade 42CrMo H+T (EN 19) and bracket plates are grade Q355C (S355) 

 

Project is asking for WPS/PQR for these 2 materials welding together? and we have only WPS/PQRs for S355 and API X52 

 

You feedback with references will be highly appreciated

 

Regards,

HA 

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