Dear Pradip,
-- The Hardness of the Base metal, HAZ and Weld metal shall be maximum 22HRC as per NACE MR0175-2002 Para 5.3.1.2.
Regards
Mubeen
QA Engineer
AmcoWeir - KSA
+966-565013851
On Mon, Oct 29, 2012 at 2:30 PM, pradip kumar sil <pradipsil@gmail.com> wrote:
Dear Experts,
We are going to fabricate carbon steel to carbon steel pipe ( A-106 To
A 106 Gr. B/ A-105/ A234 GR. B ) with NACE Specification as per MR-175
without POST WELD HEAT TREATMENT.
In this case how much is maximum limit of hardness in BASE METAL/HAZ &
WELD MENT & where it is specified.
Can we use normal ER-70S2 filler wire & E-7018 Electrode ( Without
HICC & SSIC Certificate )
Regards
Pradip
--
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