Material ASTM A 995 Grade 5A (25% Cr + 7% Ni ) and the electrode used is Selectarc Inox 2509MoWB.
The casting is already solution annealed as the spec and is taken for Radiography where in the defects revealed and we are working to salvage the casting.
We have used this electrode and done weld...
We are facing problem in weld repair of Super duplex grade 5A Casting to radiographic quality. Can anyone suggest tips on what care need to be taken especially in gauging and excavating the casting and also subsequent solution annealing of castings
Looking for Laser weld overlay equipment, preferably automatic for Stellite and Inconel-625 overlay on Plug valve body internal ( shape nearly conical with trapizoidal port opening. Any help on source for carrying out job as well as equipment is highly appreciated. Also any experience on the...
Thank you for your response.
The subject casting is Taper Plug Valve Body.
Though there is a belly riser, the defects are spreading all thro the thickness much away from the riser also.
When we weld , we notice crack at the joining layer with the parent metal also. We have seen crack on the...
Dear all
Looking for automated equipment for internal deposition of stellite21 and stellite6 on carbon steel and stainless steel castings of taper profile
Dear all
Large number of minor Cracks of 5 to 10mm (Not visible in Co 60 Radiograhy)while Gauging few locations in carbon steel casting (WCB) of large section thickness 150 to 170mm. Number of cracks increases while gouging
Can anyone throw light on this behaviour?
How to handle / salvage ?