(not for CNC programing, i have already read up of zero reference points - tool, machine & part) but to establish a beginning point in relationship to the whole part?
i am not a machinist but have seen some machining operations and heard machinists use the term witness point or reference point...
does any Code prescribe or require in-process NDE (mt, pt,ut,etc)? i have searched various Codes and cannot find any requirements. everything i see is for final inspection.
TIA
is there a requirement to keep these records up to date?
i.e. the changes to reflect allowance of p-1 to p-15 on wps & pqr.
can a pqr listing only p-1 qualify the welder to weld p-10 materials?
these may be simplistic questions but i am not up to speed on these requirements; still learning.
Just wondering if anyone here has ever allowed a vendor to use an unqualified weld repair procedure for a "minor" repair?
prior to heat treatment or otherwise?
cast SDSS part.
Found this on Endgadget
http://www.engadget.com/2011/06/11/detroit-diyer-cooks-up-stronger-lighter-steel-shames-scientist/]Detroit DIYer cooks up stronger, lighter steel, shames scientists[/url]
Source
http://www.eurekalert.org/pub_releases/2011-06/osu-anw060911.php]eurekalert[/url]
an ASME pressure vessel is hydro'd and leaks were found and repaired. instead of redoing the hydro a pneumatic pressure test was performed and used as the pressure test of record - is that allowable?
also, how does this square with ASNT?
TIA
have a customer that references one standard that references AWS D1.1, then says, but he wants to use AWS D1.6.
i understand the use of D1.6 for SS, but the base standard does not reference it, only D1.1.
i initially burped on his switching criteria not found in the original base reference...
the subject came up the other day. one person was saying they had to heat the flux before use and use while warm. another was saying they did not. one of the guys said according to Code it has to be. the comeback was, why, it has an ambient temperature preheat and the hopper is not heated...
First, given the choice between inconel and tungsten carbide which would be a better choice for longevity?
Second, any other choices to consider?
Either would be clad to 316SS.
TIA
Steven C
Senior Member
ThirdPartyInspections.com
there is a Sec. VIII Div 2 vessel that was partially fabricated in the shop, final assembled on-site and hydroed.
the MDR was completed and ready to be delivered but before the U Stamp and NB# was stamped on the nameplate and registered the customer went bankrupt and did not pay for the vessel...
customer is requiring weld calcs for a bid spec and i can't see where in his spec it is required.
any help appreciated.
tia
Steven C
Senior Member
ThirdPartyInspections.com
learn something new everyday
http://www.washingtontimes.com/news/2009/mar/23/wind-turbine-advocates-test-a-solution-to-explodin/
Steven C
Senior Member
ThirdPartyInspections.com
