Wednesday, April 15, 2015

Re: [MW:23099] Normal duplex and super duplex

Which test did you implement for measuring the ferrite content?
Ferrite meter equipment or metallography?

On Wed, Apr 15, 2015 at 5:39 AM, Pravin G <htcispravin@gmail.com> wrote:
Dear expert,

I'm having to weld normal duplex plate for vessel, SMAW process with following requirements:

I.v -40degC
FN: 35-65
CPT 22deg C @24 hrs
Corrosion 4g/mm

I'm unable to achieve FN even after several test.

Can anyone guide me how to achieve FN ?

Pravin
Singapore

Sent from my iPhone

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M. Shokri Arfaei
ISA-ISTS - Metallurgy Lab. Manager
ASNT NDT Level III
International Welding Engineer

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