HI, Temperature limit as per ASME Section SecV,shall be as follows. T-652 Techniques for Standard Temperatures As a standard technique, the temperature of the penetrant and the surface of the part to be processed shall not be below 40°F (5°C) nor above 125°F (52°C) throughout the examination period. Local heating or cooling is permitted provided the part temperature remains in the range of 40°F to 125°F (5°C to 52°C) during the examination. Where it is not practical to comply with these temperature limitations, other temperatures and times may be used, provided the procedures are qualified as specified in T-653. Acceptance criteria: It shall be as per ASME Section-VIII,Div1-Appendix-8.In no case temperture shall be less than 5 degree celsius for LPT.If the surface temp.is less than that it shall be heated to maintain the temp.limit as per code.
Thanks & Regards, (karthik)
Karthikeyan.S QA/QC Manager Getabec Energy Co.,Ltd. 379,Moo6,Soi8,Nikhomphatana, Rayong-21180, Thailand. Phone: 0066 38 897035-8 (Off) Fax: 0066 38 897034 Hand Phone: 0066 892512282
--- On Thu, 9/2/10, puneet takiar <puneet1takiar@yahoo.com> wrote: From: puneet takiar <puneet1takiar@yahoo.com> Subject: Re: [MW:6847] acceptance criteria of DPT To: materials-welding@googlegroups.com Date: Thursday, September 2, 2010, 10:41 PM
Dear Sir, What will be the acceptance criteria for LPT of jobs at lower temprature than 10 degree celcius. Regards puneet takiar
From: PREM SHANKARDUTT NAUTIYAL <prem_nautiyal@rediffmail.com> To: materials-welding@googlegroups.com Sent: Fri, 27 August, 2010 10:28:25 PM Subject: Re: [MW:6749] acceptance criteria of DPT
Hi If your construction code is ASME Sec VIII Div.1, then refer Mandatory Appendix 8 for LPT acceptance criteria. The acceptance standards mentioned in ASME Sec VIII Div 1, 2007 edition are: All surfaces examined shall be free from : Relevant linear indications ( greater than 1.6mm) Relevant Rounded indications greater than 5mm. Four or more relevant rounded indications in a line separated by 1.5mm or less (edge to edge). Regards Prem Nautiyal On Fri, 27 Aug 2010 09:07:43 +0530 wrote >HI FRIENDS, CAN ANY BODY TELL ME ABOUT THE ACCEPTANCE CRITERIA OF DPT ?ACCEPTANCE RANGES OF DEFECTS LIKE UNDERCUT,PORE,POROSITY,CRACK,etc.thanks Regards M.Aslam Khan QA/QC ENGINEER -- > To post to this group, send email to materials-welding@googlegroups.com > To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com > For more options, visit this group's bolg at http://materials-welding.blogspot.com/ > The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents. > PREM S NAUTIYAL CELL : 9820313278 -- To post to this group, send email to materials-welding@googlegroups.com To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com For more options, visit this group's bolg at http://materials-welding.blogspot.com/The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents. -- To post to this group, send email to materials-welding@googlegroups.com To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com For more options, visit this group's bolg at http://materials-welding.blogspot.com/The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
|
--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com
For more options, visit this group's bolg at
http://materials-welding.blogspot.com/ The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
No comments:
Post a Comment