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Re: [MW:6438] F91 vs F9 grade flanges

By Materials & Welding

Dear Hrishi,

Can you share PMI results ?

What was the referent standard used  ?

Please inform end application of the product also.

With Best Regards,

Jignesh R Rana
Manager - QA & QC

Linde Engineering India Pvt. Ltd.
38, Nutan Bharat Society, Alkapuri, Vadodara 390007, India
Tel.: +91 265 3056789, Fax: +91 265 2335213 , Mobil:  +91 90999 86019
jignesh.rana@linde-le.com, www.linde-india.com

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hrishikm07@gmail.com
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11-08-10 05:18

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[MW:6435] F91 vs F9 grade flanges





Hi

I have some LA flanges certified as F9 grade as per MTC and TPI certificate. But when I conducted PMI using NITON-XRF machine I have observed presence of Vanadium slightly lower than F91 requirements in some of them.
My query is

If it is of F9 why there is Vanadium presence?

Can I accept it as F9 grade?

Thanks
Hrishi
Sent on my BlackBerry® from Vodafone Essar

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