Re: [MW:30734] Joining/welding grade X65 with X60?

The  API 5L pipeline is commonly used for crude oil application.

ASTM-A-106B is very close to that  .  

X indicates minimum yield strength . 

API 5L X65 pipe   is a high level grade pipe in API 5L  with minimum yield strength required in 65000 Ksi or 450 Mpa. 

You can replace but take a view of your designer .

Regards

On Sat, 11 Apr 2020 at 12:41, Rouji <a.m.alrouji@gmail.com> wrote:

Greetings,

We have welded X60 crude oil pipeline, and we want to replace a small portion of the pipeline, can we use X65 as replacement?.

Because we have stock of X65.

Thanks.

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