As the dia is small in size there is no need for consumable insert and in tamil nadu welder charges are less than consumable insert.
-- For small dia - it is not required and again if u use consumable insert - u may have to apply special technical - equipment - more investment.
small dia full penetration - ( 2 mm root open) generally go for root TIG - here u have to give to which standard u r manufacturing and the WPS varies according to it.
Who is your customer and what specifically they require all u have to refer.
By stating these things u can ask in the group for some specific WPS also - some ppl are having hundreds of well qualified WPS in their hard disk.
By stating the above requirements U can request and expect more from the group
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On Sat, Nov 17, 2012 at 10:37 AM, Sankaran Sp <subasankaran@yahoo.co.in> wrote:
Dear experts,
We are the leading industrial valve manufacturer in Coimbatore ( INDIA), we have requirement of pipe to pipe "butt joint" welding by TIG process with RT quality.
Pipe materials are ASTM A 335-P91 & A106 Gr B pipe and sizes are 1/2",3/4"& 1"sch 160.
While welding of pipes we need to maintain 2.0 mm root gap with full penetration.
How to carry out this type of welding with RT quality ?
Can you give solution for this requirement?
Can we use consumable inserts between pipes ? If yes where should get the consumable inserts in INDIA ? who are the suppliers?
Kindly send your recommendations & address.
Advance thanks and regards,
Sankaran.SP
Coimbatore
INDIA
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Vajjiravelu Ravi
Welding,Painting,NDT & ISO 9001/2008
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