Re: [MW:30899] welding electrode selection fro API 5L X70 grade pipe

Dear Sir

I have established the PQR in our ongoing project in Kuwait with E6010 root and other passes E7018, used this combination for Tie in welds only.

but for mainline we used Automatic mechanized welding process GMAW, production and quality wise the best method to carried out mainline welding.

selection of process and electrode completely depends upon your project spam, size of pipe with respect to thickness.

In India we have done x70 grade pipelines with following electrode

1.E6010-root and 8010 otherpasses,

2.E6010 root, E8010 hot pass and E81T1 Manual FCAW other passes.

3. E6010 root, E9045 P2H4R and FCAW GS other passes.

its all depend on your project client requirements.

With Regards

Vinay Digarse

On Sunday, May 17, 2020 at 11:37:50 AM UTC+5:30, bapun wrote:

I don't think E7018 is appropriate. If you have established any PQR then kindly share 

Sent from my iPhone

On 16-May-2020, at 3:54 PM, Vinay Thattey <vinay....@gmail.com> wrote:



E7018

On Sun, 10 May 2020 at 09:01, Chandra Bhanu Mohapatra <bapunc...@gmail.com> wrote:

Dear Expert

                   Can anybody suggest me the electrode selection for cross country pipeline with  grade of API 5L X70

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tHanks & rEgards

Chandra Bhanu Mohapatra

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