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Showing posts from July, 2013

Re: [MW:18317] Re: 42CrMo4 ( SAE 4140 ) Welding

Hi I regret that i have not used the structural welding code AWS D1.1. I think if you refer D1.1, you might get your answer. However other group members who have used D1.1 may answer your query. Regards Prem Nautiyal From: Rudolf <rudolf_jude@yahoo.com> To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com> Sent: Wednesday, July 31, 2013 4:09 PM Subject: Re: [MW:18313] Re: 42CrMo4 ( SAE 4140 ) Welding Hi Prem I have a similar situation and I hope replies to the mail will also be of use to me.  Code AWS d1.1 Existing wps eh36 to eh36 material Qualified range groove thickness max 50mm without PWHT The pqr coupon was eh36 to eh36 material Current situation details 4140 bar 200 dia welded to 100 mm eh36 plate fillet weld throat is 16 mm. Query  Can I use the above wps by using appropriate electrode which is within the AWS 5.20. Your advise will be appreciated Thanks Rudolf Sent from my iPhone On 31 Jul, 2013, at 1:34 AM, pr...

Re: [MW:18317] Suitable GMAW solid wire for C.S in minus 30 degree

Please use 100% CO2 shielding gas. From: Rohit mn <rhmalhotra84@gmail.com> To: materials-welding@googlegroups.com Sent: Wednesday, July 31, 2013 11:41 AM Subject: Re: [MW:18307] Suitable GMAW solid wire for C.S in minus 30 degree Thanks for your input....It will be a structure of steel sheets (1.5-5mm) and will be used under up to minus 30 degree temp....Kindly recommend the gas as well. Is there any other process we can use on this apart from GMAW & GTAW???? On Tue, Jul 30, 2013 at 11:18 PM, prem nautiyal < prem_nautiyal26@yahoo.com > wrote: ER70S-6. By the way what is your application and service temperature ? From: Rohit mn < rhmalhotra84@gmail.com > To: materials-welding@googlegroups.com Sent: Tuesday, July 30, 2013 12:47 PM Subject: [MW:18294] Suitable GMAW solid wire for C.S in minus 30 degree Dear experts,   Which is the best sutaible solidwire and gas for w...

Re: [MW:18319] ASME Sec IX WPS Prepration

Dear Mr. Bilal, For being expert in WPS preparation, one should continuously prepare WPSs for different material specifications, thickness ranges, welding processes and various other conditions viz. PWHT, without PWHT, impact test and other parameters. It is not only to prepare WPSs but one should also use these documents in shop/ field.   There are training courses also available viz. "Preparation of WPS/PQR" being conducted by reputed institutes like Indian Institute of Welding.    Thanks & Best Regards, Rajnish Dixit       In the interest of environment please don't print this e-mail unless you really need to. From: muhammad bilal <muhammadbilal6@gmail.com> To: materials-welding@googlegroups.com Sent: Wednesday, July 31, 2013 1:14 PM Subject: [MW:18310] ASME Sec IX WPS Prepration Dear Experts! After having a basic knowledge of welding,welding inspection according to approved procedures, how one can be an expert of WPS ...

Re: [MW:18320] Prequalified WPS as per AWS D1.1

  Dear Dinesh Your answer is partially correct make a note Pre- Qualified WPS  covers Partial Penetration (P.P) & Complete Penetration ( C.P.)  Joints  Hence Pre Qualified WPS  are applicable to STATIC LOADING  AS WELL AS DYNAMIC LOADING. Pre Qualified WPS is a proposed WPS & Needs Actual Testing before Procedure Qualification Test.  Regards Dr. Rajan Gupte- Welding Expert ( US & UK ) Chartered Surveyor       -- 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/ 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....

Re: [MW:18313] Re: 42CrMo4 ( SAE 4140 ) Welding

Hi Prem I have a similar situation and I hope replies to the mail will also be of use to me.  Code AWS d1.1 Existing wps eh36 to eh36 material Qualified range groove thickness max 50mm without PWHT The pqr coupon was eh36 to eh36 material Current situation details 4140 bar 200 dia welded to 100 mm eh36 plate fillet weld throat is 16 mm. Query  Can I use the above wps by using appropriate electrode which is within the AWS 5.20. Your advise will be appreciated Thanks Rudolf Sent from my iPhone On 31 Jul, 2013, at 1:34 AM, prem nautiyal < prem_nautiyal26@yahoo.com > wrote: Hi We have successfully welded 42CrMo4 in past with E8018-B2, Preheat min. 150-200 degree celcius followed by PWHT. Regards Prem Nautiyal From: muhammad bilal < muhammadbilal6@gmail.com > To: materials-welding@googlegroups.com Sent: Tuesday, July 30, 2013 1:32 PM Subject: [MW:18297] Re: 42CrMo4 ( SAE 4140 ) Welding Dear All! We have a screw 7inch diameter made of AISI 4140, its ed...

[MW:18314] Welding of E350 Gr C by E-7018

Dear Experts, For Welding IS 2062 E350 QU C plate to plate butt joint by SMAW process, which electrode is best suited whether E-7018 or          E 7018-1 and is there any chance for impact failure(27 joules at -20 deg C), if it is welded by E-7018. Regards Rajasekar 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/ 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....

[MW:18310] ASME Sec IX WPS Prepration

Dear Experts! After having a basic knowledge of welding,welding inspection according to approved procedures, how one can be an expert of WPS preparation according to ASME Sec IX ? What is professional approach for this..What basic steps one has to fallow ..as you have a code and you cannot memorize all of  it....its just for reference Thanks in advance M Bilal  -- 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/ 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 su...

RE: [MW:18311] PHWT for P91

Gents,   Noticed some lively discussion/remarks from experts  on typical heat cycle for welding of Grade 91 base material. As a manufacturerer of consumables of advanced CrMoly grades,we have been suggesting DHT cycle if immediate PWHT facility is not available. Otherwise, kindly refer pg 12 of our Catalogue on Power Plant applications which is attached. Thanks   With Kind Regards   Amitabha Bhattacharya Head-Application Technology   Bohler Welding Group India Pvt. Ltd. A-140, Road No 23, Wagle Industrial Estate Metropolitan, Ground Floor Thane  400 604, India Ph: +91 22 2582 8855/4228 4400 Mobile ;+91 9833998246   Email: amitabha.bhattacharya@bwgindia.com Web: www.bohlerweldinggroupindia.com A Böhler Welding Group Company   This email message and any attachments are for the sole use of the intended recipient(s) and contain confidential and/or privileged information. Any unauthorized rev...

Re: [MW:18311] Flux Selection for S355 J2+N

F7A2- On Wed, Jul 31, 2013 at 10:59 AM, < sriraju1984@gmail.com > wrote: Dear Experts Please advice, which combination listed below is best suited for welding EN10025 S355 J2+N plate to plate fillet weld by SAW F7A0-EM12K F7A2-EM12K Regards Raja -- 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/ 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 ...

RE: [MW:18309] Flux Selection for S355 J2+N

Hello Raja, Please review the attached PDS of our flux UV418TT. Specific requirement /inquiry may need individual discussion . Thanks   With Kind Regards   Amitabha Bhattacharya Head-Application Technology   Bohler Welding Group India Pvt. Ltd. A-140, Road No 23, Wagle Industrial Estate Metropolitan, Ground Floor Thane  400 604, India Ph: +91 22 2582 8855/4228 4400 Mobile ;+91 9833998246   Email: amitabha.bhattacharya@bwgindia.com Web: www.bohlerweldinggroupindia.com A Böhler Welding Group Company   This email message and any attachments are for the sole use of the intended recipient(s) and contain confidential and/or privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message and any attachments         Fro...

Re: [MW:18308] PHWT for P91

There is no time frame for delayed PWHT as long as we keep it protected from moisture and frequent handling after completion of Hydrogen bake out and cooling down to room temp. On Wed, Jul 31, 2013 at 9:26 AM, rishikesh shahi < rishikeshshahi@gmail.com > wrote: yes absolutely, but it should not be delayed more than 03 or 07 days. some company instruct with in 03 days and some are with in 07 days PWHT. On 7/29/13, Shomenath Bagchi < snbagchi@ymail.com > wrote: > Yes, but sometimes PWHT may get delayed due to unforeseen circumstances, > then hydrogen baking becomes very important. > > > > > >>________________________________ >> From: rishikesh shahi < rishikeshshahi@gmail.com > >>To: materials-welding@googlegroups.com >>Sent: Monday, July 29, 2013 3:31 PM >>Subject: Re: [MW:18277] PHWT for P91 >> >> >>absolutely right, if you are having facility for the immidi...