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Re: [MW:26922] WELDING AND ELCTRODE BAKING PARAMETERS

By Materials & Welding
2.0 mm size in E 410 type 13 Cr. electrode is not manufactured..
Even 2.50 is difficult to get. 3.15 onward could be available.

01.   Electrodes baking Temperature (degrees Celsius) …
A.  All SS electrodes are baked at 200 deg C for 2 hrs for best results.
    (refer BS or any code)
02.   Duration for baking (hour)
A.  It could also be 300 deg. C for 1 hr.
03.   Soaking temperature and time….
--   of what?
04.   Welding Current (Amperes) for hard facing….
A.  For 2.50  mm size  50 -70 Amps. For 3.15 - it is 80-120 A.      
05.   Preheat temperature for hard facing…
A   200-250 deg. C
06.   Volts for welding (Volts)….
A.  Check with DC tong tester. it could be 21-23 V for 2.5 & 23-25 V 
    for 3.15 mm sizes

Hope it is clear.
Sridhar
------------------------------
On Friday 6 October 2017, 12:15:31 PM IST, Nachhattar Singh <nachhattar1947@gmail.com> wrote:


Dear all

 

Very simple query just for confirmation that I want to make a WPS and PQR for WCB 216 Material where

I want to do the hard facing with 13% chrome using 2 and 2.5 mm electrodes, work piece is 20 to 30 mm thick,

my queries are as below for Which I need the values with reference:-

 

 

01.   Electrodes baking Temperature (degrees Celsius) …

02.   Duration for baking (hours)…

03.   Soaking temperature and time….

04.   Welding Current (Amperes) for hard facing….

05.   Preheat temperature for hard facing…

06.   Volts for welding (Volts)….

 

 

Thanks and regards in advance

 

N S Gurm

 

 

PLEASE THINK BEFORE PRINTING

 

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