Friday, December 3, 2010

[MW:8494] Pre heat and post heat for welding Bisalloy strips to 4140 HT (Heat Treated)

Can someone please assists me with the welding process I require to know the pre heat and post heat requirements to weld strips of Bisalloy 12-HX450 grade to  4140 HT material. The use of this will be for the drilling industry.

 

I hope someone can help

 

Look forward to your replies

 

Regards,

 

 

Alan Jacklin

 

Description: LOGO

P. 07 3382 6600   F. 07 3382 6611

E. alanexpresshyd@bigpond.com

 

1 comment:

oh said...

i have a question

what is the difference of

1)after welding then straight away go for post heating

2)after welding , then pause welding (welding duration too long) then when welding is done(after 2 days of welding ) then only proceed to post heat.

will the paused gap affect anything?

thx!!!

[MW:34866] Presentation for WPS ,PQR AND WPQ as per ASME Sec IX in power point

Dear Experts.        If anyone having presentation of WPS,PQR and WPQ  as per ASME  SEC.IX  in power point then please share . Regards Sanja...