Re: [MW:33653] ER-70S-2 and ER70S-6

code is not restricted  to use these consumables  but WPS shall refer the same consumable which to be used at the time of welding , 

you need to revise this WPS using the same PQR and submit it for client approval before proceeding for welding , u need to mention consumable type which you wants go for 

check client Specification for consumable restrictions against PQR qualified with.

Techinca part :   each consumable has its own advantages but ER70S-6 is better  for strength and impact applications , one  must know that Mn provides better strength and toughness to the weldments. So, any loss of Mn from the weld deposit will actually reduce the strength , more silicon present in ER70S-6 consumable will make a good  weld bead appearance.

Regards, 

Srinivas Rao

Welding Engineer 

On Wed, Nov 2, 2022 at 7:08 AM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

no restrictions  but pl verify the BTC for ER 70S-6 chemistry which Mn, Si shall be within A1 maximum limit. (Mn-1,6, Si-0,8)

On Tue, Nov 1, 2022, 2:47 PM Muhammad Azeem <azeem7999@gmail.com> wrote:

Hi Zafar,

As per approved WPS you need to follow the same filler wire or electrode, You can switch for welders within the same F number and can use any filler wire.

For WPS strict to utilized as per Actual PQR.

Regards,

Muhammad Azeem Iqbal

Welding Inspector Aramco Approved

053110-8577/0554453626/0590071467

On Mon, 31 Oct 2022 at 06:12, Chaudhary Zafar Iqbal <chzaiqbal88@gmail.com> wrote:

Respected Member of this Group ,

As per approved wps ER70S-2 required to use .

Any code restrictions to use ER70S-6 instead of ER-70S-2 ?

Any code restriction and reference to change the WPS ?

Waiting for your valuable comments .

Regards,

Zafar 

00966544639978

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