Cooling is not by water but by Air /Co2 gas surrounded by Jacket (Custom base) Regards Hegde
--- On Fri, 22/2/13, vineet kumar <vineet.rdb@gmail.com> wrote:
From: vineet kumar <vineet.rdb@gmail.com>
Subject: Re: [MW:16779] SS-304L Cladding on Inner Dia. of Carbon Steel ring
To: materials-welding@googlegroups.com
Cc: pb.hegde@yahoo.com
Date: Friday, 22 February, 2013, 10:27 AM
Dear,
Plz confirm,the Heat treatment of Cladded ring is necessary , my production engineer has recommended that we can use a local arrangement to cool the Ring at the time of cladding.
Cooling arrangement shall be - Water cooled by dipping the ring in the water tub.Heat is absorbed by cooling water.
Plz recommend is it possible.
Regards, Vineet On Saturday, February 16, 2013 9:52:31 PM UTC+5:30, Prakash Hegde wrote: Hi!
My comments are given below
Regards
Prakash Hegde
08805593046
--- On Sat, 16/2/13, vineet kumar <vinee...@gmail.com> wrote:
From: vineet kumar <vinee...@gmail.com>
Subject: [MW:16779] SS-304L Cladding on Inner Dia. of Carbon Steel ring
To: material...@ googlegroups.com
Date: Saturday, 16 February, 2013, 10:50 AM
I have to made SS-304L Cladding on Inner Dia. of Carbon Steel ring , below are the details: Base Metal - SA 516 Gr.70 ID-490 mm , Thk-150 mm Stainless Steel (304L)Cladding , thk- 5 mm finish Plz furnish my queries- 1) Method / process of Cladding. You can use GTAW or FCAW as per your availabilty of Automatic ID overlay facilty
2) Filler Wire/Electrode--E309LT1 for barrier +E308LT1 for subsequent layer if FCAW and ER309L +ER308L for GTAW process
3) Heat treatment--For CS Pipe PWHT at Soaking tmp of 600-620C for 1hr soaking time which willbe suitable up to 20Hrs soaking time Howevr you require to qualify PQR to decide the height at
undilted chemistry of 308L is achieved from base of overlay
Regards, Vineet Kumar 9971055188 --
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