Materials & Welding

Hardness only on HAZ of P91 is to be around 230Hv THANKS & BEST REGARDS, KG.PANDITHAN, IWE,  AWS-CWI, CSWIP 3.1, CONSULTANT-WELDING & QUALITY Mobile no: +919940739349 On Tue, Aug 30, 2016 at 9:59 AM, pradip kumar Sil < pradipsil@gmail.com > wrote: Dear Everybody, How much is Lower & Upper  hardness limit with code reference for the weldment of  ASTM-A-335 Gr. P-91 To A312 TP 316 with filler combination ER-Ni Cr3. Regards, Pradip -- http://www.linkedin.com/ groups/MaterialsWelding- 122787?home=&gid=122787&trk= anet_ug_hm 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. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsub...

Dear Everybody, How much is Lower & Upper  hardness limit with code reference for the weldment of  ASTM-A-335 Gr. P-91 To A312 TP 316 with filler combination ER-Ni Cr3. Regards, Pradip -- http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm 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. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com . To post to this group, send email to materials-welding@googlegroups.com . To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAB%3DAs8n-WNLDxx1b6%3Daqu_my_rTKo8HKme9cWQsamH5NKVJMbQ%40mail.gmail.co...

Dear All, I have reminded several times that this forum is not a problem solving exchange of mails. If a matter needs a wider discussion on any aspect of codes, comparisons or interpretations, meaning and details of how to apply for a particular situation, then that subject can be brought out.  When ever a answer is given it for all the members. So addressing to a Mr Kumar by name is incorrect. The message shd always start with in my opinion etc or just quote the paragraph of the code referenced including exact sentence etc for easy understanding. Even the members who are asking questions must give proper details whether it is a actual case or a discussion for acedemic interest . Relevant project code applicable, whether it is for new construction or old equipment , repair or site/shop etc. I request all members to raise the level of this forum and make it a high standard one, so that when some one is reading he shd feel that the reply is given after careful study and is full of knowle...

Dear Mr Kumar. The requirement on ASME IX not same as AWS D1.1. The variable are the most clearly different in there. For example, ASME IX mention for joint configuration park on NON ESSENTIAL VARIABLE but on AWS D1.1 is contrary. It depends on your client! Few reputed clients accept ASME IX WPS in place of AWS D1.1.You can convinces your client by referring to API RP 582 - 2nd Edition, Clause 4. Before approaching your client ,please ensure API RP 582 is applicable for the project.   4 General Welding Requirements 4.1  Structural (nonpressure boundary) welding requirements shall comply with either AWS D1.1 or AWS D1.6. When approved by the purchaser (engineer) welding procedures may be qualified per ASME BPVC Section IX ." Thanks, Balamurugan -- http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users...

No body can say they are same. It's two diff systems n codes. Need seperate qualification. However it's for client to decide if he accepts one for other? On Aug 29, 2016 3:27 PM, "Kumar" < sk7920541@gmail.com > wrote: Dear Experts, Just a query regarding PQR & WPS generation. the project spec. calls to follow PQR & WPS  according to Sec. IX for construction of pressure vessels ( MOC- SA 516 Gr. 70 N). complying to  to ASME Sec. VIII Div.1. Also the allied base frame structures ( skid frame) too with the above code. The work had been assigned to 2 diff. sub-cons & one of them made PQR & WPS according to AWS D1.1  in order to use the welding of structures. this was done due to the queries & enforcing of Main cont. engineer though spec. calls for Sec. IX ! But here, one sub-con is unable to provide AWS D1.1 PQR & WPS due to practical difficulties & says both don't have much differences. Our doubt is ...

Dear Experts, Just a query regarding PQR & WPS generation. the project spec. calls to follow PQR & WPS according to Sec. IX for construction of pressure vessels ( MOC- SA 516 Gr. 70 N). complying to to ASME Sec. VIII Div.1. Also the allied base frame structures ( skid frame) too with the above code. The work had been assigned to 2 diff. sub-cons & one of them made PQR & WPS according to AWS D1.1 in order to use the welding of structures. this was done due to the queries & enforcing of Main cont. engineer though spec. calls for Sec. IX ! But here, one sub-con is unable to provide AWS D1.1 PQR & WPS due to practical difficulties & says both don't have much differences. Our doubt is that, once the mecahnical integrity of the intended weld is proven with Sec.IX PQR, then what is the necessity to call for AWS D1.1 PQR, WPS etc...? your valuable feedbacks are highly appreciated. Thanks in advance, kumar. -- http://www.link...

Hi Its better to remove the slag residues . 765 kr DAS On 28 August 2016 at 18:39, Alan Denney < alan@denney1.freeserve.co.uk > wrote: Austenitic stainless steels are prone to crevice corrosion and retained slag will, most likely, provide the conditions for this to occur.   Alan Denney AKD Materials Consulting Ltd   From: materials-welding@ googlegroups.com [mailto: materials-welding@ googlegroups.com ] On Behalf Of sankar krishnan Sent: 28 August 2016 14:15 To: Materials & Welding < materials-welding@ googlegroups.com > Subject: [MW:25321] Pickling and Passivation Profile View   Dear Brothers ,         I did Pickling and Passivation for SS tank ,    Brand Name :    1) Pickling : Avesta Pickling Spray 204 2) Passivation : Avesta Finish One Passivator 630   Actually Now i am Facing problem of Molten Slag  Melt at settlement at Shell Plate , Please Refer Attachment file    My Question Is : If the  Molten Slag not Removed From shell course means ,  will affect any  a...

HI Did you use any Buffer layer prior to ST6, if not use E312 XX type electrodes as a base layer . use stringer bead regards DAS On 28 August 2016 at 22:18, Sivaraman N < nsivaraman9@gmail.com > wrote: Dear all, While doing Hard facing Overlay of stellite 6  on carbon steel and stainless steel  cracks observed during second layer and third layer Base Material:SA 516 Gr 70 (15 mm thk) & SA 240 TP 316 L(15 mm thk) Electrode:ECoCrA Process: SMAW Overlay thickness:6 mm How to avoid the cracks during hard facing? -- http://www.linkedin.com/ groups/MaterialsWelding- 122787?home=&gid=122787&trk= anet_ug_hm 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. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and ...

Shall in codes denote a mandatory requirement. Should denotes a recommended practice, but not required. May denotes an option. Must is not used too much anymore in code lexicon. (No pun on the last one intended) Cheers, Balamurugan On Mon, Aug 29, 2016 at 10:35 AM, Sundar Kumar < sunkumarshine@gmail.com > wrote: Dear Experts ,    Where shall, may ,must ,should meanings explained in ASME . How to interpret these verbs. Thanks&Regards, T.Sundar Kumar  -- http://www.linkedin.com/ groups/MaterialsWelding- 122787?home=&gid=122787&trk= anet_ug_hm 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. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-we...

Mr Siva How about your travel speed during welding.? Defri QA/QC Inspector +6281286886600 -- http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm 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. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com . To post to this group, send email to materials-welding@googlegroups.com . To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/43349229-a519-4f64-8148-40730729f972%40googlegroups.com . For more options, visit https://groups.google.com/d/optout .

Pls find ASME 31.1 Clause 100.2 On Mon, Aug 29, 2016 at 10:05 AM, Sundar Kumar < sunkumarshine@gmail.com > wrote: Dear Experts ,    Where shall, may ,must ,should meanings explained in ASME . How to interpret these verbs. Thanks&Regards, T.Sundar Kumar  -- http://www.linkedin.com/ groups/MaterialsWelding- 122787?home=&gid=122787&trk= anet_ug_hm 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. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@ googlegroups.com . To post to this group, send email to materials-welding@ googlegroups.com . To view this discussion on the web visit https://groups.google.com/d/ msgid/materia...

Dear Experts ,    Where shall, may ,must ,should meanings explained in ASME . How to interpret these verbs. Thanks&Regards, T.Sundar Kumar  -- http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm 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. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com . To post to this group, send email to materials-welding@googlegroups.com . To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/38d8d29c-a873-4ee2-8d3a-ecb524b5fb35%40googlegroups.com . For more options, visit https://groups.google.com/d/opto...

Dear all, While doing Hard facing Overlay of stellite 6  on carbon steel and stainless steel  cracks observed during second layer and third layer Base Material:SA 516 Gr 70 (15 mm thk) & SA 240 TP 316 L(15 mm thk) Electrode:ECoCrA Process: SMAW Overlay thickness:6 mm How to avoid the cracks during hard facing? -- http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm 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. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com . To post to this group, send email to materials-welding@googlegroups.com . To view this discussion on the web vi...

Austenitic stainless steels are prone to crevice corrosion and retained slag will, most likely, provide the conditions for this to occur.   Alan Denney AKD Materials Consulting Ltd   From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of sankar krishnan Sent: 28 August 2016 14:15 To: Materials & Welding <materials-welding@googlegroups.com> Subject: [MW:25321] Pickling and Passivation Profile View   Dear Brothers ,         I did Pickling and Passivation for SS tank ,    Brand Name :    1) Pickling : Avesta Pickling Spray 204 2) Passivation : Avesta Finish One Passivator 630   Actually Now i am Facing problem of Molten Slag  Melt at settlement at Shell Plate , Please Refer Attachment file    My Question Is : If the  Molten Slag not Removed From shell course means ,  will affect any  at Future corrosion  at shell area or Not , Accordin...

Dear Brothers ,       I did Pickling and Passivation for SS tank ,  Brand Name :  1) Pickling : Avesta Pickling Spray 204 2) Passivation : Avesta Finish One Passivator 630 Actually Now i am Facing problem of Molten Slag  Melt at settlement at Shell Plate , Please Refer Attachment file  My Question Is : If the  Molten Slag not Removed From shell course means ,  will affect any  at Future corrosion  at shell area or Not , According to ASTM A380 Please advice me , I am waiting for your Valuable answer  Best regards Sankar.k Welding Inspector  Enka-Iraq -- http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm 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. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsu...

Gents,   In addition to Mr. Herman Pieper & Mr Pradip Goswami comments, I would like to add few points.   In Middle East, few reputed clients spec requires, "the PREN of the filler metal, as calculated from the batch test certification, should be at least 2 units higher than the minimum specified for the base material to be welded"   Meeting the above requirement using ER2209 to weld UNS S31803 is always difficult, unless filler metal is procured accordingly. So manufacture directly recommends using ER 2507/ER2594 in place of ER 2209, which is not really appreciated in terms of cost and high amount of intermetallic formation will be there in the weld, which inturn increases the hardness of the weld.   Qualifying UNS S31803 PQRs using ER 2209 filler wire with stringent corrosion test like ASTM G48 Method A, is not that difficult these days, if proper precautions like purging gas selection, heat input control, interpass temp co...