Re: [MW:33214] 2% thoriated Tungeston electrode

Hi Sujith ,

By using a color code system,(a band of color applied in tip of the electrode ) you can recognize the tungsten rod type.

By using AWS classification EWTh-2 ; u can also identify that it is 2% thoriated tungsten rod,  which contain 1.70 to 2.20 percent thorium range and it is most commonly used rod due its higher current carrying capacity. color designation is red for these electrode

Refer ANSI/AWS A5.12/AS.12M for further details and certificate of conformity 

Thanks & Regards 

Srinivas Rao

welding Engineer 

On Thursday, July 7, 2022 at 2:12:46 PM UTC+4 kannayeram gnanapandithan wrote:

by color coding on tip of electrode. red color

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, Jul 7, 2022 at 10:50 AM Sham Shahabuddin -Welding Inspector, HANBO <shamshahab...@gmail.com> wrote:

Dear Sujith

 Please refer to AWS SPECIFICATION A5.12 or ASME SEC II C- SFA 5.12.

Regards

SHAM SHAHABUDDIN

QC INSPECTOR - WELDING

HANBO ENGINEERING & CONSTRUCTION

MARJAN INCREMENT PROGRAM ( MIP - PKG 6 )

MOB: +966-572066357

On Thu, Jul 7, 2022 at 8:00 AM sujit kumar <sujitku...@gmail.com> wrote:

Dear experts,

How to identify 2% thoriated Tungeston electrode and how to check this material with MTC from where we have to compare with. what parameter should be required for that.?

Best regards.

Sujit kumar.

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