For GMAW, no code/std restricts on weaving width
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Regards
Prasad
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Use 1.6mm, amp around 355
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Hello Vijay,
To answer to your query in a straight forward language:-
The parameters suggested by you are fine, if you perform a multi pass techniques. Or else you may try the welding parameters suggested by Mr Kannayeram Gnanapandithan, however the welder has to be comfortable. If the fillet weld involves any more welding positions other that 1F, 1.2 mm dia filler is more flexible to weld with.
Thanks.
Pradip Goswami, P.Eng,IWE
Welding & Metallurgical Engineering Specialist.
Ontario,Canada.
ca.linkedin.com/pub/pradip-goswami/5/985/299
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Hello Vijay,
To answer to your query in a straight forward language:-
- Depositing a fillet weld of 6 mm throat by GMAW process in a single pass is difficult. 6mm of throat = 9 mm of leg length, which is difficult to cover in one pass, unless the welder does edge to edge weaving.
- Extended weaving would cause loss of travel speed and production time.
- Also it would induce undue defects e.g. toe undercuts. If so, one has to spend more time on grinding and subsequent dress ups, a redundant exercise.
- Also if the materials have notch toughness or corrosion resistance requirements ( for austenitic or other stainless steels) , it may be compromised by a single pass technique.
- Hence the so called gain of production time would mean nothing.
The parameters suggested by you are fine, if you perform a multi pass techniques. Or else you may try the welding parameters suggested by Mr Kannayeram Gnanapandithan, however the welder has to be comfortable. If the fillet weld involves any more welding positions other that 1F, 1.2 mm dia filler is more flexible to weld with.
Thanks.
Pradip Goswami, P.Eng,IWE
Welding & Metallurgical Engineering Specialist.
Ontario,Canada.
ca.linkedin.com/pub/pradip-goswami/5/985/299
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAJzm4eNnuo8h7GBukApQOm-porkj8PRk%2BMeJYg6sSrALXSqSaA%40mail.gmail.com.
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