Materials & Welding

Dear All ,   In our Pressure vessel project 10mm thickness plate they using (GTAW+SAW) process , They have welded GTAW with 4 mm of 10mm thickness and leave open for 1 days .. I like to Know what is the interruption limitations to stop welding Limits for <19mm thickness  Please send me code documents  -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/0ca6ac61-bff9-444e-bc40-80249c545c8dn%40googlegroups.com .

Hi All, Could you please advise, when does ASME B31.3 require to perform Charpy Test for  Inconel Material (UNS 06625)?  After which MDT it is mandatory to perform it?  Regard,  Ilkin HASANOV. -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CADrxeDYXdxMbYXHYBV%2BRaKidjv7B%2BB_x7%3Dw8Mz5h1k-Nm%2BfiQg%40mail.gmail.com .

Where do you want to sign on WPS/PQR ? as a preparer or checker or approver ?  You may not sign in any of these areas,  The role  is to perform quality checks during manufacturing  and it shall be defined by your QA/QC manager / Document systems.    You can assist IWE/IWT for preparing WPS/PQR , but the final responsibilities lie with the IWE/IWT holder only.  Even some case, IWT holders sign itself not accepted by some clients Refer ISO 3834-2 , Clause 7.3 Also, as per above link,  It's clear that RWC   is not a portable title since  There is no actual qualification for personnel responsible for welding coordination.  only IWE, IWT , IWS    have been accepted as satisfying the specific knowledge requirements for Responsible Welding Coordinators. Thanks and Regards Rameshkannan D "What you have learned is a mere handful; What you haven't learned is the size of the world – Avvaiyar" On Tue, Mar 30, 2021 at 5:00 PM ilkinhasanov < ilkinhasanov.91@gmail.com > w...

Dear Experts, Please Share Saudi Aramco CBT Welding Piping EXAM related all Documents. Thanks in Advance. PKM. -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAFoQ_ncrScYcGs7NXwJeviO4fXhv-G-Ld1uKyb7k0Kkr0HOsSw%40mail.gmail.com .

I am sending you two examples, if I am not mistaken, the Inconel is a P43 under the ASME scheme, but take this into account: they are only examples !, which will undoubtedly serve as a guide for you to do your own procedures. Greetings!. El mar, 30 mar 2021 a las 2:38, PK M (< pkmqaqc@gmail.com >) escribió: Dear Experts, Any one have WPS for Inconel 718 , 625 , & 825 on materials ? any cladding welding related Method statements or procedure. Please share. Thanks in Advance PKM. -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAFoQ_nctizvkLKSf5ppt5hQ5vgQhasCcD9_VzGB32yWkqP4%2Brg%40ma...

Not mandatory but u should have sufficient knowledge experience in welding. 3834 system for qualification fusion welding of shop.  On Tue, Mar 30, 2021, 5:00 PM ilkinhasanov < ilkinhasanov.91@gmail.com > wrote: Hi Gents, Could you please advise ; does RWC (ISO 3834-2) can issue/sign WPS & WPQR and is it requirement of Standard/Codes that  RWC should has a IWE Diploma for this?. Regards, Ilkin HASANOV -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/ae3963c3-d53c-4bfa-a484-e59726641cc7n%40googlegroups.com . -- https://materials-welding.blogspot.com/ https://www.linkedin.c...

Dear Rajnish, Its not our in-house materials, this is the existing material used in Loading Arm. Client wants us to replace it with same one. they just provided the PMI on XRF method, however we have requested for OES and a sample for chemical analysis to look further. Thanks for your support Best Regards Dhana On Tue, Mar 30, 2021 at 2:02 PM 'Rajnish Dixit' via Materials & Welding < materials-welding@googlegroups.com > wrote: If you have neither any idea about pipe's material specification nor the material test certificate, it is not advisable to confirm the same with merely PMI or chemical testing. Please avoid this material to use as pressure part in your job. Thanks, Best Regards, Rajnish Dixit Sent from Yahoo Mail on Android On Sun, 28 Mar 2021 at 18:03, Dhanabal Jalachandran < dhanabal.jalachandrann@gmail.com > wrote: Dear Expert, Find the below chemical composition values as per PMI, unfortunately we do not have any Test certificate and traceab...

Nozzle failed means, what exactly happened.?  if no flow through nozzle means, it is choked. it should be dechoked and material like dirt etc to be removed, another reason may be there is some other corrosive material through reverse flow. you can conduct systematically risk / HAZOP study with guidewords. if you can isolate, drain 99% H2SO4, remove nozzle and perfoem QA / TIC (testing, inspection & certification). as per design & EPC requirements, considerations & criteria.  chandrakant mohikar Infra Academy. https://tinyurl.com/InfraAcademy 8446079514    On Tue, 30 Mar 2021, 14:01 okay Tutar, < okaytutar@gmail.com > wrote: Hello everyone, I hope you all have a nıce day. We had a problem in sulfuric acid %99 conct. drum nozzle. After 2 years of operation, suddenly our nozzle has been failured. We checked api 571.Concentration of acid is ok, it is %99.Speed of acid is lower than critical level. But, when we examine flange and piping of nozzle. There is general corro...

Please refer ISO 3834-5, Annex A.  I think you can sign the document.  On Tue, 30 Mar, 2021, 5:00 pm ilkinhasanov, < ilkinhasanov.91@gmail.com > wrote: Hi Gents, Could you please advise ; does RWC (ISO 3834-2) can issue/sign WPS & WPQR and is it requirement of Standard/Codes that  RWC should has a IWE Diploma for this?. Regards, Ilkin HASANOV -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/ae3963c3-d53c-4bfa-a484-e59726641cc7n%40googlegroups.com . -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- You received this message because ...

Dear , Pl Refer  the  web Link  https://www.iso3834.org/faqs/ On Tuesday, 30 March, 2021, 03:30:34 pm GMT+4, ilkinhasanov <ilkinhasanov.91@gmail.com> wrote: Hi Gents, Could you please advise ; does RWC (ISO 3834-2) can issue/sign WPS & WPQR and is it requirement of Standard/Codes that  RWC should has a IWE Diploma for this?. Regards, Ilkin HASANOV -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/ae3963c3-d...

Hi Gents, Could you please advise ; does RWC (ISO 3834-2) can issue/sign WPS & WPQR and is it requirement of Standard/Codes that  RWC should has a IWE Diploma for this?. Regards, Ilkin HASANOV -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/ae3963c3-d53c-4bfa-a484-e59726641cc7n%40googlegroups.com .

Dear sir, Greetings  kindly  make sure that the pipe thickness is not thinned using DIGITAL RT if possible.   We experienced the same problem in repair of sulphuric acid vertical mounted vessel , Carbon steel A 516  Gr B , nozzle failure .  later we found under deposit corrosion of nozzle pipes . the we back gouged and flush grounded with E-316 for repair.  please update , if you got better solution.  Regards Vinoth kanna QC- welding & piping inspector  Manifa Project API -510, CSWIP 3.1, NDT level II - UT, RT ,PT, MT, VT,LT,Infrared & Thermography  Technical - Metallurgy Contact : M - +91-9787954338,+966-539127946               Email id : srvkanna1@gmail.com On Tue, Mar 30, 2021 at 2:01 PM okay Tutar < okaytutar@gmail.com > wrote: Hello everyone, I hope you all have a nıce day. We had a problem in sulfuric acid %99 conct. drum nozzle. After 2 years of operation, suddenly our nozzle has been failured. We checked api 571.Concentration of acid is ok, it is %99.Speed of aci...

If you have neither any idea about pipe's material specification nor the material test certificate, it is not advisable to confirm the same with merely PMI or chemical testing. Please avoid this material to use as pressure part in your job. Thanks, Best Regards, Rajnish Dixit Sent from Yahoo Mail on Android On Sun, 28 Mar 2021 at 18:03, Dhanabal Jalachandran <dhanabal.jalachandrann@gmail.com> wrote: Dear Expert, Find the below chemical composition values as per PMI, unfortunately we do not have any Test certificate and traceability. Can you please provide an update. Carbon Steel Fe 97.8% Ti 0.85% Co 0.62% Mn 0.50% Zn 0.17% Cr 0.06% Thanks in advance -- Regards Dhanabal Jalachandran -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 ...

Dear Experts, Any one have WPS for Inconel 718 , 625 , & 825 on materials ? any cladding welding related Method statements or procedure. Please share. Thanks in Advance PKM. -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAFoQ_nctizvkLKSf5ppt5hQ5vgQhasCcD9_VzGB32yWkqP4%2Brg%40mail.gmail.com .

Hello everyone, I hope you all have a nıce day. We had a problem in sulfuric acid %99 conct. drum nozzle. After 2 years of operation, suddenly our nozzle has been failured. We checked api 571.Concentration of acid is ok, it is %99.Speed of acid is lower than critical level. But, when we examine flange and piping of nozzle. There is general corrosion and thickness of weld neck is thinned . Our material is carbon steel. But, in pipe thickness is not thinned. Do you have suggestion for reason of this problem ? What could it be ? -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/d4b67686-33e7-429b-9...

Ref: API 650: 8.1.5 Radiographic Standards Welds examined by radiography shall be judged as acceptable or unacceptable by the standards of Paragraph UW-51(b) in Section VIII of the ASME Code On Fri, Jan 22, 2021 at 2:17 PM chitko khaing < chitkokhaing2009@gmail.com > wrote: > > Dear all > I am chit ko from Myanmar. i want to know " API 650 RT acceptance Criteria" refer to ASME VIII Division 1? > > -- > https://materials-welding.blogspot.com/ > https://www.linkedin.com/groups/122787 > --- > 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/9483308e-f4ab-4851-8f1e-e0565a3f19ben%40googlegroups.com . -- https://materials-weld...

Martensite formation depends also on the chemical composition and not only on the cooling rate. The last weld bead has not a fine grain structure. It has more a dendritic structure. Fine grain martensite will give low impact energy Fine grain ferrite will give better impact energy. Residual stresses also affect impact energy in a negative way. In the mild steel the PWHT is to relief the residual stresses and not to temper the martensite. Στις Πέμ, 25 Μαρ 2021 στις 5:13 π.μ., ο/η EmaD FaRaHanI < emad.farahani@gmail.com > έγραψε: Dear Friends, Consider we have a mild-steel, cooling fast from welding temperature, we must have a fine grain structure with martensite formation. Hypothetically, considering that we want to use this structure. I was wondering what is the relation between the impact energy and the structure? will it be decreased due to martensite formation? or increased due to fine grain? I understand that we don't use the martensite state of structures and we need to ...

Hello experts, In the current project,we are faced with the challenge of laying pipes below a canal.The design is to lay 1600 mm steel pipes which is to be welded inside  a concrete pipe installed via jacking method.Please advice us on how to proceed with laying the pipes in this method.Thanks The information contained in this e-mail may be privileged and confidential. If the reader is not the intended recipient, or agent of the intended recipient, any unauthorised use, disclosure, copying, distribution or dissemination is strictly prohibited. If you have received this communication in error, please notify the sender immediately and delete it from your system. -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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+u...

Do chemical analysis _ Spectro or weight ana PMI is not right method. On Sun, 28 Mar 2021, 16:33 Dhanabal Jalachandran, < dhanabal.jalachandrann@gmail.com > wrote: Dear Expert, Find the below chemical composition values as per PMI, unfortunately we do not have any Test certificate and traceability. Can you please provide an update. Carbon Steel Fe 97.8% Ti 0.85% Co 0.62% Mn 0.50% Zn 0.17% Cr 0.06% Thanks in advance -- Regards Dhanabal Jalachandran -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAPLwtDc-dvTWafoz%2B99A8YCc0f1HQCRfBctVEuYCiyf3i-rhVw%40mail.gmail.com . -- https:...

The  martensite  phase essentially consists of a metastable iron phase oversaturated in carbon. Since the more carbon a steel has, the harder and more  brittle  it is, a  martensitic  steel is very  hard and brittle .    Because the cooling rate is so sudden, carbon does not have enough time for diffusion. Yes ,impact energy absorbing capacity will decrease.. On Thu, 25 Mar 2021 at 08:43, EmaD FaRaHanI < emad.farahani@gmail.com > wrote: Dear Friends, Consider we have a mild-steel, cooling fast from welding temperature, we must have a fine grain structure with martensite formation. Hypothetically, considering that we want to use this structure. I was wondering what is the relation between the impact energy and the structure? will it be decreased due to martensite formation? or increased due to fine grain? I understand that we don't use the martensite state of structures and we need to quench and tempering them. Thanks, Emad -- https://materials-welding.blogspot.com/ ...

SEC-VIII UW51.(b) On Sun, Mar 28, 2021 at 4:33 PM Pankaj Kolhe < pankaj.kolhe15@gmail.com > wrote: Yes On Fri, Jan 22, 2021 at 2:17 PM chitko khaing < chitkokhaing2009@gmail.com > wrote: Dear all  I am chit ko from Myanmar. i want to know " API 650 RT acceptance Criteria" refer to ASME VIII Division 1? -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/9483308e-f4ab-4851-8f1e-e0565a3f19ben%40googlegroups.com . -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- You received this message because you are subscribed to the Goo...

Yes this is client requirement, 1+ 2 simulation cycle required. has client asked for plate , pipe, flanges and fittings? On Thu, Jan 21, 2021 at 1:53 PM sajeed zaheer < sajeed7674@gmail.com > wrote: Hello Everyone, As per Sec 8 code there is no were written about the simulation PWHT, but in the ARAMCO specification I'm  encountering  with  this simulation PWHT,  Two PWHT cycle to account for future repair .Please clarify my doubt about the simulation PWHT. Virus-free. www.avast.com -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAFycdMz3UY6_LM9Ot8f%3D...

Yes On Fri, Jan 22, 2021 at 2:17 PM chitko khaing < chitkokhaing2009@gmail.com > wrote: Dear all  I am chit ko from Myanmar. i want to know " API 650 RT acceptance Criteria" refer to ASME VIII Division 1? -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/9483308e-f4ab-4851-8f1e-e0565a3f19ben%40googlegroups.com . -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving...

Correct, Refer API RP 945 for amine service. PWHT is required and hardness control is required. On Mon, Feb 1, 2021 at 8:43 AM PSS < mechselastine@gmail.com > wrote: Experts Client Requirement : Vessel shall be PWHT. Production Weld deposits hardness shall not exceed 200HBW after PWHT. Carbon steel welds shall comply with NACE STD SP0472 para. 2.2 & 3.3 -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/a024d874-aeff-4042-afd5-cf7b8a6e2a62n%40googlegroups.com . -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- You received this messa...

Dear Expert, Find the below chemical composition values as per PMI, unfortunately we do not have any Test certificate and traceability. Can you please provide an update. Carbon Steel Fe 97.8% Ti 0.85% Co 0.62% Mn 0.50% Zn 0.17% Cr 0.06% Thanks in advance -- Regards Dhanabal Jalachandran -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAPLwtDc-dvTWafoz%2B99A8YCc0f1HQCRfBctVEuYCiyf3i-rhVw%40mail.gmail.com .

Dear Experts Need opinion on radiography source selection for bronze casted raw material sleeve of size  OD   400mm X ID 364mmn X Length-446mm. Grade CuSn12Ni2-CG (DIN EN 1982) What are factor need to consider for the radiography testing on this material. What is the sensitivity of the same? Regards Suresh -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/da05a369-5c4b-4726-bb23-97cd0dec6d46n%40googlegroups.com .

Hi  Greetings  When carbon steel (BCC) - cools rapidly it forms BCT -martensite .  When Austenitic Stainless steel (FCC) - Rapid cool may form FCT martensite . Based on CCT AND TTT diagrams.   Regards  Vinoth kanna  9787954338 On Sat, 27 Mar 2021, 11:05 sunil kaushik, < sunilkaushik08@gmail.com > wrote: What is the difference between BCT and FCT structure? On Thu, 25 Mar, 2021, 9:29 am Vinoth kanna ramachandran, < srvkanna1@gmail.com > wrote: Dear sir, Greetings for the day  Mild steel - BCC structure (body centred cubic )  Austenite stainless steel - FCC structure (face centered cubic)  Martensite - FCT structure  ( face centred tetragonal ) coarse grain means - less FCT crystals , fine grain means - More FCT crystals.  Tetragonal structure can't absorb more impact energy , due to its crystal structure , since it prevents its movement . if it's fine grain , still more difficulty to absorb energy .  That's why FCC crystals have better impact properties than any ...

What is the difference between BCT and FCT structure? On Thu, 25 Mar, 2021, 9:29 am Vinoth kanna ramachandran, < srvkanna1@gmail.com > wrote: Dear sir, Greetings for the day  Mild steel - BCC structure (body centred cubic )  Austenite stainless steel - FCC structure (face centered cubic)  Martensite - FCT structure  ( face centred tetragonal ) coarse grain means - less FCT crystals , fine grain means - More FCT crystals.  Tetragonal structure can't absorb more impact energy , due to its crystal structure , since it prevents its movement . if it's fine grain , still more difficulty to absorb energy .  That's why FCC crystals have better impact properties than any other in the steel family .Fine Grain FCC - greater impact energy absorption. Regards Vinoth kanna QC- welding & piping inspector  Manifa Project API -510, CSWIP 3.1, NDT level II - UT, RT ,PT, MT, VT,LT,Infrared & Thermography  Technical - Metallurgy Contact : M - +91-9787954338,+966-539127946       ...

Hi , Pl recommend the filler metal & welding process for 10 mm thick Aluminium AL 1080 tank for nitric Acid storage purpose. Urgent response required. Thanks & Regards Riaz  -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- 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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAKhBr%2BbQWmyQsyO_KN9vKYsk%3D0AvUCnOtU%2BtZyXdg1C5H%3DLrdA%40mail.gmail.com .

Hi Cast Irons are typically subjected to repair weld. The repair welding is normally done by Nickel based electrodes, 99% Ni or 55% Ni electrodes. This applies to any welding on new cast iron pipes also. It's extremely difficult to meet ASME Sec-IX welding qualification criteria for Cast Iron Welding.   The links cited below would provide you good resources for Cast Iron Welding.   Thanks.   Pradip Goswami.P.Eng, IWE. Independent  & Consulting Welding & Metallurgical Engineering Specialist Linkedin: https://www.linkedin.com/in/pradip-goswami-2999855/ Email:pgoswami@rogers.com,pradip.goswami@gmail.com Cell/Whasapp:1-905-9793232   Can You Weld Cast Iron? (A Complete Guide) - TWI (twi-global.com)   Sec. 8 Introduction (ductile.org) From: luis carlos greggianin <luiscargreg8@gmail.com> Sent: March 25, 2021 5:53 PM To: materials-welding@googlegroups.com Subject: Re: [MW:32090] ductile iron welding procedure   Use shot penning during the we...