Re: [MW:23006] Welding filler wire/Electrod for A 105 to A335 P11

Dear Friends,

You can use Er 70S-2 for root welding by TIG process and E7018 for fill passes by ARC process.

Pre heat and PWHT to be maintained for P11 conditions( ie: P no 4 conditions as per ASME sec VIII Div 1)

Regards,

Sankaran.Sp

Welding & Metallurgy expert  

  

On Tuesday, 24 March 2015 12:36 PM, Bala Murugan <balamuruga2003@gmail.com> wrote:

ER80S- B2 + E8018 B2

On Mar 24, 2015 11:42 AM, "Bala Murugan" <balamuruga2003@gmail.com> wrote:

You may use E 8018 B2

On Mar 24, 2015 11:09 AM, "B Osare" <bosare@nfl.co.in> wrote:

Dear Experts,

 

Can any one suggest the suitable welding filler wire and electrode for welding CS A105 to A335 P11.

 

Regards

 

B Osare

N F L Vijaipur

 

From: Harikrishnan N S

Sent: Monday, March 23, 2015 2:13 PM

To: materials-welding@googlegroups.com

Subject: [MW: 22996] Re: 20405] ASME Sect IX-QW-405-Position Qualification Ranges [GroupMail]

 

Hi All

Referring to ASME Sec. IX 2013, understand that QW-405.4 applies to hardfacing and corrosion resistant overlay.

 

1) Can anyone clarify the difference between QW-405.4 para (a) and para (c)?

2) Will overlay qualification with 2G up-hill progression qualifies Flat position?

 

Thanks and Regards

Harikrishnan

On Wednesday, March 26, 2014 at 2:52:41 AM UTC+8, John Henning wrote:

Your reasoning is flawed and your answer incorrect.

 

Another example of reading the QW-4xx variables out of context.

 

QW-405.2 typically applies to general process qualification (groove welds, etc.). 

QW-405.4 apples to special process qualifications (Hard facing or corrosion resistant overlay).

 

These two variables are never called out together.

 

Regarding the application of supplementary essential variable QW-405.2, I suggest you read Interpretation IX-81-24 reply to question 1 states :

 

Reply (1): When applying QW-405.2, any position not involving the vertical uphill progression will qualify for all positions, except those involving the vertical uphill progression. Any position involving the vertical uphill progression win qualify for all positions, including those involving the vertical uphill progression. For example, qualification on a test coupon in the 2G position will qualify 4G and 5G downhill, but not 3G uphill. Qualification on a test coupon in 3G uphill progression will qualify 4G, 6G uphill progression, and all other positions.

 

 

John A. Henning

Welding & Materials

 

From: material...@googlegroups.com [mailto:material...@googlegroups.com] On Behalf Of Anban
Sent: Tuesday, March 25, 2014 3:49 AM
To: material...@googlegroups.com
Subject: [MW:20405] ASME Sect IX-QW-405-Position Qualification Ranges

 

Dear Experts

 

Position only a Supplementary essential variable (ie when CVN-Impact test required).

 

QW-405.2 A change from any position to the vertical position uphill progression. Vertical‐uphill progression

(e.g., 3G, 5G, or 6G position) qualifies for all positions. In uphill progression, a change from stringer bead to weave

bead. This variable does not apply when aWPS is qualified with a PWHT above the upper transformation temperature

or when an austenitic material is solution annealed after welding.

 

QW-405.4 (a) Qualification in the horizontal, vertical, or overhead position shall also qualify for the flat position. Qualification

in the horizontal fixed position, 5G, shall qualify for the flat, vertical, and overhead positions. Qualification in

the horizontal, vertical, and overhead positions shall qualify for all positions. Qualification in the inclined fixed position,

6G, shall qualify for all positions.

 

I'm looking at some of the WPS/PQRs received from Vendor.

PQR state that Position Tested/Qualified- 1G

WPS state qualified for all groove and fillet positions?

CVN Tested at -30 deg C.

 

Based on QW-405.2 & QW-405.4- 1G does not qualify all positions.Only qualified for 1G & 1F.

 

Plls explain how "This variable does not apply when aWPS is qualified with a PWHT above the upper transformation temperature

or when an austenitic material is solution annealed after welding." relevant to Positions.

 

 

Pls shine some light on this. Thank You.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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