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Re: [MW:33014] Black soot in MIG

seems to be like Aluminium alloy with slight additions of Zn, Mg & Cu mostly in Aerospace industries, Thanks & Regards J.Gerald Jayakumar On Friday, 1 April, 2022, 09:26:43 am IST, Anthony Dalisay <anthonydalisay6@gmail.com> wrote: Filler wire is ER70-6S @0.8 diameter size.  On Fri, 1 Apr 2022 at 11:45 AM Kannayeram Gnanapandithan < kgpandithan@gmail.com > wrote: what is welding rod classification 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, International Welding Engineer.  CONSULTANT-WELDING & QUALITY Mobile no: +919940739349 On Thu, Mar 31, 2022 at 3:36 PM 'james gerald' via Materials & Welding < materials-welding@googlegroups.com > wrote: Try AC current Thanks & Regard...

Re: [MW:33013] Fwd: WPS TO QUALIFY THE OF THE WELDER

Hi, As per Table QW451.4 All Groove weld test qualified for All fillet sizes on all base metal thicknesses and all diameters. Thanks& Regards, (Karthik) Karthikeyan.S M: +66-892512282 On Friday, April 1, 2022, 10:11:08 AM GMT+7, Rene Alvarado <rene.alvarado.lozano@gmail.com> wrote: FE DE ERRATAS   Can I use a WPS qualified with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.237" and with backing ring to qualify the skill of the welder in fillet welding with the SMAW process in position 5F on pipes Copper Nickel ( O.D. 2 ½" thickness 0.280") to Carbon Steel (O.D. 3" schedule 160 in accordance ASME IX ?   Thanks ---------- Forwarded message --------- De: Rene Alvarado < rene.alvarado.lozano@gmail.com > Date: jue...

Re: [MW:33011] Black soot in MIG

what is welding rod classification 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, International Welding Engineer.  CONSULTANT-WELDING & QUALITY Mobile no: +919940739349 On Thu, Mar 31, 2022 at 3:36 PM 'james gerald' via Materials & Welding < materials-welding@googlegroups.com > wrote: Try AC current Thanks & Regards J.Gerald Jayakumar On Thursday, 31 March, 2022, 01:03:59 pm IST, Anthony Dalisay < anthonydalisay6@gmail.com > wrote: Dear experts, We have been welding aluminized sheet using MIG welder with the following parameters: Amps: 125 Volts: 29.5 TS: 50cm/min Gas flow rate: 12L/min Gas type : 18%CO2 and 82%Ar However, I cant get rid of black soot (smoke) in the weld vicinity. What do you ...

Re: [MW:33007] Black soot in MIG

AC GTAW with water cooled torch & HF unit Thanks & Regards may be suitable for sheet metal. J.Gerald Jayakumar 0091-8838619635 On Thursday, 31 March, 2022, 04:16:04 pm IST, Prem Nautiyal <prem.nautiyal26@gmail.com> wrote: Hi Anthony  You may please try with 99.9995% Ultra Pure Argon gas. Use a gas cup size of 20#. Use the forehand technique in MIG. MIG always works with DC, for GTAW you should go with AC. Use a better quality branded filler wire spool. Regards  Prem Nautiyal  Welding & NDT Specialist  Cell 9769316004 On Thu, 31 Mar 2022, 15:36 'james gerald' via Materials & Welding, < materials-welding@googlegroups.com > wrote: Try AC current Thanks & Regards J.Gerald Jayakumar ...

Re: [MW:33006] Black soot in MIG

Hi Anthony  You may please try with 99.9995% Ultra Pure Argon gas. Use a gas cup size of 20#. Use the forehand technique in MIG. MIG always works with DC, for GTAW you should go with AC. Use a better quality branded filler wire spool. Regards  Prem Nautiyal  Welding & NDT Specialist  Cell 9769316004 On Thu, 31 Mar 2022, 15:36 'james gerald' via Materials & Welding, < materials-welding@googlegroups.com > wrote: Try AC current Thanks & Regards J.Gerald Jayakumar On Thursday, 31 March, 2022, 01:03:59 pm IST, Anthony Dalisay < anthonydalisay6@gmail.com > wrote: Dear experts, We have been welding aluminized sheet using MIG welder with the following parameters: Amps: 125 Volts: 29.5 TS: 50cm/min Gas flow rate: 12L/min Gas type : 18%CO2 and 82%Ar However, I cant get rid of black soot (smoke)...

Re: [MW:32997] PPM to mg/m2 conversion

Please correct it as 2000ppm Thanks & Regards J.Gerald Jayakumar On Monday, 28 March, 2022, 09:55:17 am GMT+4, james gerald <gerry_tup@yahoo.com> wrote: 1% is 10000 ppm and it must be 20ppm, please check Thanks & Regards J.Gerald Jayakumar On Monday, 28 March, 2022, 07:14:50 am GMT+4, Muhammed Ibrahim PK <ibratech@gmail.com> wrote: Gents, Is there any conversion available for ppm to mg/m2? For Aramco projects, the chloride content measured in ppm using bresle patch kit in ppm. As per Aramco spec the acceptable range is 20mg/m2. Couldn't find the conversion. If anybody can advice, it will ne highly appreciated Reg, Ibrahim --...

Re: [MW:32997] PPM to mg/m2 conversion

1% is 10000 ppm and it must be 20ppm, please check Thanks & Regards J.Gerald Jayakumar On Monday, 28 March, 2022, 07:14:50 am GMT+4, Muhammed Ibrahim PK <ibratech@gmail.com> wrote: Gents, Is there any conversion available for ppm to mg/m2? For Aramco projects, the chloride content measured in ppm using bresle patch kit in ppm. As per Aramco spec the acceptable range is 20mg/m2. Couldn't find the conversion. If anybody can advice, it will ne highly appreciated Reg, Ibrahim -- 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...