Materials & Welding

Refer ASME SEC IX  There is separate chapter for Plastic welding . Based on that you have to prepare  Sent from my iPhone On 21 Jun 2025, at 7:48 AM, Sudharsan Sathianathan <sudha.lalsss@gmail.com> wrote:  Dear friends, I need to prepare a WPS for the HDPE liner pipes. As any body have it, kindly share it with me.  Thanks in advance. Regards, Sudharsan S -- 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 visit https://groups.google.com/d/msgid/materials-welding/CAAEuBjup9JnctueGTbefVB9zoz6siR98JvcxK0EepxHYN8TVPA%40mail.gmail.com .

Dear all ,  I have a situation to Qualify single Bevel CJP - API 5L X 65 pipe with Plate API 2W Gr.50 PL1 , using structural Welding code AWS D 1.1.  The Problem is API 5L X 65 is unlisted in AWS D 1.1 and API 2W is listed in Group 3. AWS D1.1 says , PQR using any unlisted materials shall qualify for that particular combination only. which means i have to go for pipe and plate combination for PQR. Curious to know whther anyone have done PQR for this situation?, If so pls throw some light.. -- 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 visit https://groups.google.com/d/msgid/materials-welding/3bd3cf09-a8d0-4d38-92f3-7d678aedd3adn%40googlegroups.com .

Dear experts,  I am seeking clarification regarding the application of ASME B31.3 Section 331.2.4, which states: "If a weldment is allowed to cool prior to heat treatment, the rate of cooling shall be controlled or other means shall be used to prevent detrimental effects in the piping." 1 Is this requirement mandatory in all cases (Even for P1 materials) where PWHT is performed after a delay of several days following welding? 2 If so, what are the accepted methods for controlling the cooling rate prior to heat treatment as per this clause? Your guidance on best practices and code interpretation for this requirement would be greatly appreciated. Thank you in advance for your assistance. Best regards, Binto George -- 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 receivi...

With increase in temperature fluid expands causing pressure increase .  Also significant pressure variation can be expected when fluid is compressible. Can you please specify about  fluid and test temperature? On Sat, 7 Jun 2025 at 18:12, Kannayeram Gnanapandithan < kgpandithan@gmail.com > wrote: Pressure Directly proportional to Temperature when Volume is constant  THANKS & BEST REGARDS, KG.PANDITHAN, BE, IWE,  CSWIP 3.1, ISO 9712 Level 2 in VT, ASNT-Level II in PT,MT,RT & UT, LA ISO 9001-2015, ISO 3834, EN 15085,  International Welding Engineer.  CONSULTANT-WELDING & QUALITY Mobile no: +919940739349 On Sat, 7 Jun 2025, 10:36 Vinoth Kanna, < gvinoth43@gmail.com > wrote: Dear Experts, During a hydrostatic test, we observed a gradual pressure drop of approximately 0.7 bar in a 2-inch pipe with a length of 31 meters. The test pressure was 12.5 bar. This issue has occurred in multiple tests. We request your explanation regarding the relationship between pressur...

Pl qualify the combination in line with Drawing . On Sat, 21 Jun 2025 at 12:10 PM, nagendran natarajan < nagend3484@gmail.com > wrote: Dear all ,  I have a situation to Qualify single Bevel CJP - API 5L X 65 pipe with Plate API 2W Gr.50 PL1 , using structural Welding code AWS D 1.1.  The Problem is API 5L X 65 is unlisted in AWS D 1.1 and API 2W is listed in Group 3. AWS D1.1 says , PQR using any unlisted materials shall qualify for that particular combination only. which means i have to go for pipe and plate combination for PQR. Curious to know whther anyone have done PQR for this situation?, If so pls throw some light.. -- 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 t...

Dear Gentlemen, Kindly advise me as we have tube to tubesheet joint. Tube moc is incoloy 800 And tubesheet moc is F53 SDSS (Super duplex stainless steel). For incoloy-800 -- P NO : 45 For F53 SDSS-- P NO: 10H Which filler wire is applicable please suggest. Best Regards, John  -- 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 visit https://groups.google.com/d/msgid/materials-welding/CA%2B0nk_fb51cdvBvOdnrie0fFUtwwJEQoA0O%2BcAOjEm3s1wawoA%40mail.gmail.com .

Dear Experts, During a hydrostatic test, we observed a gradual pressure drop of approximately 0.7 bar in a 2-inch pipe with a length of 31 meters. The test pressure was 12.5 bar. This issue has occurred in multiple tests. We request your explanation regarding the relationship between pressure and temperature, and how temperature variations can affect hydrotest results.Also, we seek clarification on the acceptable pressure drop limits considering potential temperature changes during the test. Thank you for your support. Regards, Vinoth G -- 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 visit https://groups.google.com/d/msgid/materials-welding/CA%2BoUWiqgcyN...

For best results, use  AWS A 5.14 ER Ni Cr-3 ( Incoloy 800) filler wire for the weld metal when joining the Incoloy 800 tube to Super Duplex  F53 SDSS  tube sheet.  This filler wire provides good compatibility with both materials, accommodates differences in thermal stability, and  maintains  corrosion resistance  and mechanical strength.  Alternatively, AWS A 5.14 ERNiCrMo-3 (Inconel 625) could be used for a Chloride rich or acidic atmosphere. rgds, C Sridhar. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ On Sat, 7 Jun 2025 at 09:28, HerculanJohn < hjpr820@gmail.com > wrote: Dear Gentlemen, Kindly advise me as we have tube to tubesheet joint. Tube moc is incoloy 800 And tubesheet moc is F53 SDSS (Super duplex stainless steel). For incoloy-800 -- P NO : 45 For F53 SDSS-- P NO: 10H Which filler wire is applicable please suggest. Best Regard...

Sent from my iPhone On 5 Jun 2025, at 2:03 PM, Raviraj Gohil <raviraj.gohil001@gmail.com> wrote:  Hi.. If your equipment in hydrogen service and Hydrogen Disbonding test is required.. On Wed, 4 Jun 2025, 14:26 Deerendra Karanth, < dkaranths@gmail.com > wrote: Sir,  With reference to your query regarding the required tests for corrosion resistant overlay procedure and performance qualification as per ASME Section IX, Table QW-453, in addition to the mentioned LPT and bend tests, the following supplementary tests are recommended—especially considering the application for overlay: 1. Chemical Analysis – As per ASME Section IX Figure QW-462.5(a) to verify composition of the deposited layer. Attached snapshot  2. Hardness Survey – In accordance with NACE MR0175 to ensure compatibility with sour service, if applicable. 3. Metallographic Examination – To assess overlay quality, dilution, and fusion characteristics. 4. Microstructure Examination – Typically co...

Pressure Directly proportional to Temperature when Volume is constant  THANKS & BEST REGARDS, KG.PANDITHAN, BE, IWE,  CSWIP 3.1, ISO 9712 Level 2 in VT, ASNT-Level II in PT,MT,RT & UT, LA ISO 9001-2015, ISO 3834, EN 15085,  International Welding Engineer.  CONSULTANT-WELDING & QUALITY Mobile no: +919940739349 On Sat, 7 Jun 2025, 10:36 Vinoth Kanna, < gvinoth43@gmail.com > wrote: Dear Experts, During a hydrostatic test, we observed a gradual pressure drop of approximately 0.7 bar in a 2-inch pipe with a length of 31 meters. The test pressure was 12.5 bar. This issue has occurred in multiple tests. We request your explanation regarding the relationship between pressure and temperature, and how temperature variations can affect hydrotest results.Also, we seek clarification on the acceptable pressure drop limits considering potential temperature changes during the test. Thank you for your support. Regards, Vinoth G -- https://materials-welding.blogspot.com...

i think that NICr3 is Inconel 600. Inconel & Incoloy have vast differences in % Fe. content. THANKS & BEST REGARDS, KG.PANDITHAN, BE, IWE,  CSWIP 3.1, ISO 9712 Level 2 in VT, ASNT-Level II in PT,MT,RT & UT, LA ISO 9001-2015, ISO 3834, EN 15085,  International Welding Engineer.  CONSULTANT-WELDING & QUALITY Mobile no: +919940739349 On Sat, Jun 7, 2025 at 2:43 PM sridhar cn < sridharcn305@gmail.com > wrote: For best results, use  AWS A 5.14 ER Ni Cr-3 ( Incoloy 800) filler wire for the weld metal when joining the Incoloy 800 tube to Super Duplex  F53 SDSS  tube sheet.  This filler wire provides good compatibility with both materials, accommodates differences in thermal stability, and  maintains  corrosion resistance  and mechanical strength.  Alternatively, AWS A 5.14 ERNiCrMo-3 (Inconel 625) could be used for a Chloride rich or acidic atmosphere. rgds, C Sridhar. -----------------------------------------------------------------------------------------------------...

Use E7018-1 On Tue, Jun 10, 2025, 11:27 PM sriram Srinivasan < mail2ram40@gmail.com > wrote: Hi gentleman  What is electrode need to use welding EN100025 S355 and rail 71 mn  Please guide me  Regards, Sriram Srinivasan -- 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 visit https://groups.google.com/d/msgid/materials-welding/CAJwhjYvkGr0%3DbuaPGuK4isgrPEx6WFDjWQ90pA%2BS4pF_TPJeEQ%40mail.gmail.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 a...

S355 is a medium-strength structural steel, and think the rail has  0.4–0.8% Carbon. The  70mm thick rail  requires  preheating to 250–300°C  to  reduce  thermal stresses and prevent hydrogen cracking. Post-weld heat treatment (PWHT) may also be needed  depending on the rail grade. E7018 (3.2mm or 4.0mm) is suitable as the first choice. Alternatively, consider E8018-C1 for better toughness and it has better compatibility compared to E 7018 due to its Nickel  addition .  C Sridhar. On Tue, 10 Jun 2025 at 20:57, sriram Srinivasan < mail2ram40@gmail.com > wrote: Hi gentleman  What is electrode need to use welding EN100025 S355 and rail 71 mn  Please guide me  Regards, Sriram Srinivasan -- 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 a...

When welding EN 10025 S355 steel (a structural steel) and rail steel (e.g., R260 or similar grades like 71 Mn) With Regards Anish R Kurup On Tue, 10 Jun, 2025, 10:29 pm sridhar cn, < sridharcn305@gmail.com > wrote: S355 is a medium-strength structural steel, and think the rail has  0.4–0.8% Carbon. The  70mm thick rail  requires  preheating to 250–300°C  to  reduce  thermal stresses and prevent hydrogen cracking. Post-weld heat treatment (PWHT) may also be needed  depending on the rail grade. E7018 (3.2mm or 4.0mm) is suitable as the first choice. Alternatively, consider E8018-C1 for better toughness and it has better compatibility compared to E 7018 due to its Nickel  addition .  C Sridhar. On Tue, 10 Jun 2025 at 20:57, sriram Srinivasan < mail2ram40@gmail.com > wrote: Hi gentleman  What is electrode need to use welding EN100025 S355 and rail 71 mn  Please guide me  Regards, Sriram Srinivasan -- https://materials-welding.blogspot.com/ https://www.lin...

S355 is a structural steel grade with a minimum yield strength of 355 Mpa and has 1.0–1.6% Mn. R260 is a  rail steel grade with a  tensile strength  of 700–900 Mpa, 0.6–0.8% C and 0.8–1.3% Mn. It is prone to martensitic formation during welding due to its higher  Carbon content. Carbon Equivalent (CE) for R260 is 0.8–1.0 and for S355, 0.4–0.5.   E7018-1 (AWS A5.1) with a 1.0–1.6% Mn suits R260 which has a higher Mn. Alternatively, E8018-G or E10018-D2 provide enhanced  strength and toughness. Preheat R 260 to 200–250°C and possibly PWHT (600-650 0 C) may be required depending on its thickness  and critical  applications. Ensure proper joint design to manage stress.  Qualify a procedure as per relevant codes.  C Sridhar. -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- On Wed, 11 Jun 2025 at 09:24, Anish R Kurup < anishkrp4@gmail.com > wrote: Whe...

Dear Expert's I hope this email finds you well. I am working on a project involving welding of dissimilar materials. The materials are IS 2062 E250 Gr.BR and AISI 420. Could you please provide guidance on the following: 1. Suitable electrodes for welding IS 2062 E250 BR to AISI 420 using: - Shielded Metal Arc Welding (SMAW) process - Gas Metal Arc Welding (GMAW) process 2. Equivalent material specification for AISI 420 as per ASME standards Your expertise would be greatly appreciated in helping us determine the most suitable welding approach and materials for this project. Thank you for your time and assistance. Best regards, Pankaj Choudhary -- 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@goo...

Dear Sir, We appreciate your detailed query regarding the welding of dissimilar materials— IS 2062 E250 Gr.BR (a carbon structural steel) to AISI 420 (a martensitic stainless steel). Please find our recommendations below: 1. Suitable Electrodes for Dissimilar Welding a) SMAW Process (Shielded Metal Arc Welding): For joining IS 2062 to AISI 420, austenitic stainless steel electrodes are generally preferred to accommodate the differences in mechanical and metallurgical properties. We recommend: E309L-16 or E309-16 These electrodes offer good compatibility with both carbon steel and martensitic stainless steel, while providing austenitic weld metal that helps reduce cracking. b) GMAW Process (Gas Metal Arc Welding): For GMAW (MIG welding), suitable filler wires would be: ER309L or ER309 These wires provide excellent fusion and mechanical properties for dissimilar welding between carbon steel and stainless steel. Note: Preheat may be required ...

Dear all   Please clarify below  1.5083H116 P NO  2 . ER 5183 F NO 3.6082 T651 4.ER 5356 F NO Regards  Elavarasan  -- 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 visit https://groups.google.com/d/msgid/materials-welding/CAJ9L4ykMv8i956umqUTwE3mCuPXz9qEXbQw0X5eA8FioEs3ScA%40mail.gmail.com .

P Number for 5083-H116: 25 P Number for 6082-T651: 23 F Number for ER 5183:    22 F Number for ER 5356:    22 These classifications are used for qualifying welding procedures and welders.  C Sridhar.  On Mon, 16 Jun 2025 at 16:06, Elavarasan Mech < elavarasan1861994@gmail.com > wrote: Dear all   Please clarify below  1.5083H116 P NO  2 . ER 5183 F NO 3.6082 T651 4.ER 5356 F NO Regards  Elavarasan  -- 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 visit https://groups.google.com/d/msgid/materials-welding/CAJ9L4ykMv8i956umqUTwE3mCuPXz9qEXbQw0X5eA8FioEs3ScA%40mail.gmail.com . -- https://materials-welding.blogspot.com/ https://www.linkedin.com/gr...

Dear friends, I need to prepare a WPS for the HDPE liner pipes. As any body have it, kindly share it with me.  Thanks in advance. Regards, Sudharsan S -- 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 visit https://groups.google.com/d/msgid/materials-welding/CAAEuBjup9JnctueGTbefVB9zoz6siR98JvcxK0EepxHYN8TVPA%40mail.gmail.com .

Hello experts, I would like to know what is IP joints in piping(31.3)?  Regards Saurabh -- 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 visit https://groups.google.com/d/msgid/materials-welding/CADr-LL_mAcbc5GDt1TSd_Oip4ns3sqL_mS_AOtP4PyW7a9V9OQ%40mail.gmail.com .

Dear Sir, Thank you for your explanation.  As the vessel design based on Sec VIII Div-1, and if our client  insists to do PWHT for that joint,  Case 1) can we do a pqr by buttering with ERNiCr-3 on P No.5A plate and butt weld with same filler for this dissimilar joint to avoid pwht. Because,  for P no.1 , the holding temperature is about 600 deg C and for P No.5A, the holding temperature is about 675 degrees C as per Sec VIII Div1,. Case 2) Or , when we do pwht for this joint using ER80S-B2 filler,  can we use higher holding temperature of 675 degree C . METALLURGICALLY, is it safe ? Please confirm.  Thanks and Regards,  Saravanan Sornam,  S.KOREA  On Fri, 23 May 2025, 8:43 pm George Dilintas, < dilintas@gmail.com > wrote: in case the nominal base metal thickness is less than 16 mm and the specified Cr% is less than 3 (you must check the base metal MTRs) and the max C% is 0,15 (check MTR) and you apply a min preheat of 150degC then you are allowed not to perform PWHT, as per Sect...