welding A297 HD ( GX40CrNiSi 27-4) with AISI 1020

[11041977]

hi all
anyone here can help me in this problem:
i have to join by GMAW a pipe material: ASTM A297 HD also DIN: GX40CrNiSi27-4 also UNS: J93005 with AISI 1020 carbon steel. can anyone tell me
1)wich material use to jon them
2 preheating temperature
3) cooling rate?
any help is apprecite
thanks
matteo

 

[Alulunu]

Do you work in a company? Is the first time your company does this?

 

[11041977]

yes first time
why do you ask?

 

[Alulunu]

If it is not the first time, I suppose there must be files in your company that can help

 

[11041977]

definetly first time we have to weld those materials.
do you have info about? where are you from? i m italian
ciao

 

[Alulunu]

I am Spanish. Sorry I can not help you, never done it before-

Ana