P numbers

[erichenry]

I have a problem can anyone explain to me if there is a such thing as Inconel 825 or is it call alloy 825. also what P-number does this material fall under and what filler metal do i use.

Thanks,

 

[Don56]

Special Metals used to be called INCO alloys. Inco 825 is Alloy 825, Inconel 825 etc. The UNS number is N08825. See the attached link.

http://www.specialmetals.com/assets/documents/alloys/incoloy/incoloy-alloy-0825.pdf

 

[weldstan]

It falls under P-No. 45.

 

[CARA1981]

Question: A welding procedure specification (WPS) that is qualified with a base material SA 106 Gr B (P-No. 1 Group 1) be used with a base material ASTM A 350 Gr LF2 Class 1 (P-No. 1 Group 2)? The WPS was qualified to Section IX - 2013 using SMAW and filler metal 7018 G.

 

[CARA1981]

A welding procedure specification (WPS) that is qualified with a base material SA 106 Gr B (P-No. 1 Group 1) can be used with a base material ASTM A 350 Gr LF2 Class 1 (P-No. 1 Group 2)? The WPS does not have a PQR qualified with impact testing. The WPS was qualified to Section IX - 2013 using SMAW and filler metal 7018 G.