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Welding Procedure for 0.5Cr-0.5Mo-0.25V
Posted: 25 Nov 2010, 13:00
by octane
We have to weld some of our heater tubes.
Can somebody share the welding procedure for 0.5Cr-0.5Mo-0.25V?
Re: Welding Procedure for 0.5Cr-0.5Mo-0.25V
Posted: 26 Nov 2010, 07:03
by mechcolor
Pre-heat: 200-250 deg C
Filler wire: ER90SB3
Electrode: E9018B3
PWHT at 675-715 deg C
Use low heat input during welding
Re: Welding Procedure for 0.5Cr-0.5Mo-0.25V
Posted: 27 Nov 2010, 16:30
by irish
You must focus on low heat input while welding this material as it is susceptible to re-heat cracking.