[MW:27035] Re: Cast Alloy M35-1 (Monel 400) UNS N24135 Stellite welding of valve seat ring and wedge - Reg

Dear Sir,

The subjected stellite welding applies to control valves plug (6" 8" & 12") used @ oil rig

construction code API, Design Temperature 600 Degree Centigrade, design pressure 150 BAR

Regards

Amul Raj T   

On Sunday, November 19, 2017 at 8:09:02 PM UTC+3, Amul Raj wrote:

Dear Experts,

Could you please explain me the stellite welding procedure for Cast Alloy M35-1 Valve Seat Ring and Wedge/Disc (Monel 400) (UNS N24135)

1. what is the suitable stellite alloy used to welding the subjected material (Like ..Stellite 6, 12 & 21) 

2. How to prevent the Hairline cracks 

3. what is the preheat, post heat and PWHT requirements

4. which is the suitable stellite alloy for shop and field

5. What is the suitable welding process

Your precious response is highly valued 

Regards,

Amul Raj T

 

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