Your interpretation seems to be more appropriate. QW 423.1 may be
applicable over and above QW 301.2. Thanks
for the update, anyway.
Best regards,
Prasad
Dale Jones
<dalejones7978@ya
hoo.com> To
Sent by: materials-welding@googlegroups.com
materials-welding cc
@googlegroups.com
Subject
[MW:1979] Re: WELDER QUALIFICATION
18/04/09 07:02 AM
Please respond to
materials-welding
@googlegroups.com
QW-423.1 clearly states "base metal used for welder qualification may be
substituted for the metal specified in the WPS in accordance with the
following table." That table allows the welder to weld P1 material
together with F5 filler while following a P8 qualified procedure.
Regards,
Dale Jones
--- On Fri, 4/17/09, pjoshi@technip.com <pjoshi@technip.com> wrote:
From: pjoshi@technip.com <pjoshi@technip.com>
Subject: [MW:1973] Re: WELDER QUALIFICATION
To: materials-welding@googlegroups.com
Date: Friday, April 17, 2009, 3:16 AM
Dear all,
I would like to add a point here. So far as I understand, you need to use
a
qualified procedure for welded qualification as well (Refer QW 301.2). In
this situation, you cannot use any hypothetical WPS (like, P1#P1/F5)
unless
otherwise you qualify the same accordingly. I remember we had qualified
such procedure once and for all when I was WE at L&T Hazira Works.
Best regards,
Prasad
BHARAT GOLE
<bharatgole@hotma
To
Sent by: material welding
materials-welding <
materials-welding@googlegroups.com
cc
17/04/09 10:18 AM
Subject
[MW:1971] Re: WELDER QUALIFICATION
Please respond to
materials-welding
Mr. Dale Jones
As you said to weld with F5 stainless steel filler material which is
needed
to weld with matching filler on P8 materials.I would like to add
more...i.e. as per QW 423 Alternate Base Materials for welder
qualification
we can weld P1 materiel also with F5 SS Filler in order to qualify
welder
for any particular P8 WPS.
This is economical as well as within limit of code.
Please correct me if my interpretation is wrong
Regards
Bharat B. Gole
Date: Thu, 16 Apr 2009 16:26:34 -0700
From: dalejones7978@yahoo.com
Subject: [MW:1970] Re: WELDER QUALIFICATION
To: materials-welding@googlegroups.com
This is correct that the welder can weld on all of these materials but do
not ignore the other variables. For example the welder will be restricted
to the Fnumber filler material he qualified with. An example is a SMAW
qualification. When a welder qualifies on P1 material with a matching F4
SMAW filler he will be qualified to the base material range stated below
and with F1-F4 carbon steel filler material. This will not qualify him to
weld with F5 stainless steel filler material which is needed to weld with
matching filler on P8 materials. The same concept will apply to various
other P numberd materials. To fully understand this concept and the other
variables that will restrict a welders qualifications, read article 3 and
QW-416 in ASME Section 9
Regards,
Dale Jones
--- On Thu, 4/16/09, Muhammed Ibrahim <ibratech@gmail.com> wrote:
From: Muhammed Ibrahim <ibratech@gmail.com>
Subject: [MW:1968] Re: WELDER QUALIFICATION
To: materials-welding@googlegroups.com
Date: Thursday, April 16, 2009, 5:45 AM
Not only P11. Also P34 & P41 thru P49. The reason is, the skill of the
welder required to weld any of these material is same. So he can proove
it in any one P No. mentioned .
Regards,
Muhammed Ibrahim
2009/4/16 gaurav mongia <er.gauravmongia@gmail.com>
IF A WELDER IS QUALIFIED FOR P1 material and in code it is
written
that he is qualified upto P11.
i wanna know what will be reason that a welder can do welding on
all
material upto P11 instead he is only qualified in P1
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