Re: [MW:7102] F-No&A-No of ERNiCrMo-3

Hi,

P.Number and F number are different and the numbers cannot be same and substituted.

For ERNiCrMo-3 F-Number is 43. For A number You can check with the QW-442 along with your Filler metal certificate to compare the chemical composition.Since it is a nickel based alloy,you check with the composition of A number 10 requirments.

Pls.find below the extraction of ASME appropriate sections.

QW-404.37 A change in the composition of the deposited

weld metal from one A-Number in table QW-442 to

any other A-Number, or to an analysis not listed in the table.

Each AWS classification of A-No. 8 or A-No. 9 analysis of

table QW-442, or each nonferrous alloy in table QW-432,

shall require separate WPS qualification. A-Numbers

QW-404.5 (Applicable only to ferrous metals.) A

change in the chemical composition of the weld deposit

from one A-Number to any other A-Number in table

QW-442. Qualification with A-No. 1 shall qualify for

A-No. 2 and vice versa.

The weld metal chemical composition may be determined

by any of the following:

(a) For all welding processes—from the chemical analysis

of the weld deposit taken from the procedure qualification

test coupon.

(b) For SMAW, GTAW, and PAW — from the chemical

analysis of the weld deposit prepared according to the

filler metal specification, or from the chemical composition

as reported either in the filler metal specification or the

manufacturer's or supplier's certificate of compliance.

Thanks & Regards,

(Karthik)

Karthikeyan.S

QA/QC Manager

Getabec Energy Co.,Ltd.

379,Moo6,Soi8,Nikhomphatana,

Rayong-21180,

Thailand.

Phone: 0066 38 897035-8 (Off)

Fax: 0066 38 897034

Hand Phone: 0066 892512282

--- On Sat, 9/18/10, limesh M <limesh78@gmail.com> wrote:

From: limesh M <limesh78@gmail.com>
Subject: [MW:7073] F-No&A-No of ERNiCrMo-3
To: materials-welding@googlegroups.com
Date: Saturday, September 18, 2010, 8:08 PM

Dear All,

I want to prepare a WPS for ,

material ASTM B 423 (P No-45).

Process - GTAW

Construction Code - ASME B31.3

Welding Code - ASME BPV SEC IX

What is the F - No. of ERNiCrMo-3? 43 or 45?One of the WPS in my hand says 45 !!!

I have reviewed ASME BPV SEC IX QW 432,F-No. section and found that 43.Now I need clarification from experts,which one is correct 43 or 45?

What is the A - No. of ERNiCrMo-3? I have reviewed QW 422 A-Numbers section,but couldn't find.

Is there any condition that P- no. and F- no. shall be same?

Seniors, I need your help on this issue.

Regards,

Limesh

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