Saturday, March 19, 2011

Re: [MW:10440] Looking for WPS for A182 F22 to HP Nb Mod ( 35% Ni , 25%Cr Material)

The correct consumable would be only 25/35 H type  electrodes 
They are commonly used for reformer tubes with same composition Pl refer selectarc Industries -France web site for this 
  

On Tue, Mar 8, 2011 at 9:28 PM, ak1965 <akashverma1965@gmail.com> wrote:
We need to butt weld many joints in the outlet of ethylene furnace
with following material specs:-


Base Metals :- HP Nb Mod. (35% Ni & 25% Cr) & A 335  F22 ( 2.25% Cr &
1 Mo)

Pipe Thicknesees : 11 mm ( both pipes)

Service Temperature : 900 Deg C


Please help to prepare WPS for this typical joint and also what NDT is
required to esptablish the integrity.


Regards

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[MW:34820] RE: 34813] Clarification in Rate of heating and cooling.

Hello,   Please see the response below.   Regards.   P. Goswami, P. Eng, IWE.   From: materials-welding@googlegroups.com <materials-weld...