special requierment in NACE electrode

[viral talati]

Dear Friends,
Is there any special requierment for electrode used for NACE material welding.

regards

[james gerald]

Viral,

Please specify whether it is for upstream(NACE MR0175) or for Refinery(NACE MR0103). Specify for which Base materials the welding need to be performed.

J.GERALD JAYAKUMAR 00919344954677  

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[viral talati]

Dear James,
thanks for your grate support,
I want to know for both NACE MR 0175 & NACE MR 0103.
base material is carbonsteel P NO:1
regards

[james gerald]

Viral,   The Electrode/Filler metal requirement in accordance to NACE MR0103 for carbon steels.   The PQR has meet a Hardness requirement of 248HV10(Weld+HAZ) and the production weld shall meet a Hardness requirement of 200HB. So welding consumable shall be procured according to it.   Exemptions of Production Hardness is permitted if below consumables are used.                                                                                                                                                                 & nbsp;            The Electrode/Filler metal requirement in accordance to NACE MR0175 for carbon steels.     The welding consumable shall produce weld Zones meeting Hardness requirement of 250HV10. The Nickel in the welding consumable shall be less than 1%. Welding consumables and procedures that produce a deposit containing more than 1% nickel are acceptable after successful weld SSC qualification by testing in accordance with Annex B.     ** As an alternative, one can consider proper Preheating and PWHT methods to control Hardness.                                                                                                                                                             & nbsp;                                                                                              Thanks & Regards   ----------------------------------------------------------------- J.Gerald Jayakumar Senior Engineer-Technology Equipment Engineering (Materials & Welding) Foster Wheeler India Pvt Ltd Chennai Execution Centre Landline : 0091-(44)-66769047 Mobile    : 0091-9344954677 ---------------------------------------------------------------   Confidentiality Notice This communication and the information it contains:- (a) Is intended for the person(s) or organisation(s) named above and for no other person(s) or organisation(s). (b) May be confidential, legally privileged and protected in law. Unauthorised use, copying or disclosure of any of it may be unlawful. If you have received this communication in error, please contact us immediately by email at Postm...@fwuk.fwc.com.

[Ankur]

Dear James,

Your reply on subject was really helpful. I just wanted to discuss a case of NACE MR0175

Suppose if Welding wire manufacturer (ER70S-2 & ER70S-6) has not specified any NACE compliance in MTC and if weld Zones meeting Hardness requirement of 250HV10 then does that STILL mean that we comply NACE requirements?

Also I would like to understand more of this statement; Welding consumables and procedures that produce a deposit containing more than 1% nickel are acceptable after successful weld SSC qualification by testing in accordance with Annex B. But what if Nickel is less than 1%? Does that mean that SSC is not required if Nickel is less than 1% ?

Would love to hear from you

Regards,

Ankur

7990344780

ankurp...@gmail.com