Re: [MW:23094] Reduce silicon content

Guys I face high silicon content in ER70S-3 with high rejection repair rate,after changing of ER70S-6 we reduce repair rate.better purchase different manufacturer,and verify purging gas purity.

On Wednesday, June 17, 2015, Anup N K E <nkeanup@gmail.com> wrote:

Replace ER 70S-6 with ER70S- 3 GMAW filler wire. Silicon content is 0.45 % to 0.75% for ER70S-3  and 0.8 % to 1.15 % for ER 70S- 6.

This is as per Aramco recommendation.

Regards,

Anup

On 17 Jun 2015 06:57, "Pravin G" <htcispravin@gmail.com> wrote:

Dear Expert

Welding application: compressor piping
Process: GMAW 1.2mm ER70S-6
Welding issue: silicone contamination after welding

How can I reduce the silicon content?
Any special method or consumable which can solve this issue?

Kindly advice.

Pravin Poornachandran
Singapore

Sent from my iPhone

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With Best & Regards

N.Srinivas,

Welding Inspector,

0561198050,0537812787

Al-Khobar.

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