Re: [MW:26410] Differnce between A350 LF1 and LF2

Dear George

I do not disagree with you, but different grain size is achievable by different chemical composition and/or heat treatment, but I can't find any different chemical composition or heat treatment.

Regards,

Himan Nikdin

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From: materials-welding@googlegroups.com <materials-welding@googlegroups.com> on behalf of George Dilintas <dilintas@gmail.com>
Sent: Wednesday, April 12, 2017 10:44:39 PM
To: Meghanadh K
Subject: Re: [MW:26403] Differnce between A350 LF1 and LF2

 

Grain Size

2017-04-11 16:59 GMT+03:00 Himan Nikdin <himan.nikdin@outlook.com>:

Dear Experts,

Good Day!!

I have query regarding SA350 LF1 and LF2, as you can compare the chemical composition of two grades, there are no difference between two grades;

but you can see the major difference between impact test temperature, what is the reason for this major difference as in SA-350 there is no major heat treatment requirements.

also what is the reason for difference between impact test temperature of LF2 Class 1 and class 2?

thanks indeed if you share your valuable ideas.

Regards,

Himan Nikdin

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

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