Electrode for SA516 Gr.70 Material.

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Vijay

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May 30, 2010, 2:17:20 PM5/30/10
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Dear All,

Can we used E7018 electrode for SA516 Gr.70 material (Impact Tested at
-46 oC) or we need to use other??

Kindly clarify.

Regards,
Vijay,
Advanced Oilfield Technology Company,
Oman.

raghura...@gmail.com

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May 30, 2010, 10:56:48 PM5/30/10
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You can use E7018-1, however if your service is non corrossive (non NACE or no restriction on Ni %), E 7018-C3L, 8016-C1 could be a betterchoice.

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Dear All,

Kindly clarify.

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N VENKATESWARA PRASAD

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May 30, 2010, 10:34:40 PM5/30/10
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Dear Mr. Vijay,
 
You should use E 7018-1 electrode which give imapct at -50 C where as the E 7018 is gauranted for -29 C only.
 
Regards
 
N.V. PRASAD
WELDING ENGINEER,
VELOSI CERTIFICATION, QATAR.
00974 5974703

Sukamal Naskar

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May 31, 2010, 12:43:30 AM5/31/10
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Hi Vijay,
According to ASME Sec-II Part-C 2007 ed, SFA-5.1 , Table 3 ( Charpy Impact requirement),E7018 testing requirement at -30 deg C &  E7018-1 testing requirement at -45 deg C, if your requirement is at -46 deg C, then it will not be suitable.
 
Regards, 

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Sukamal

KOLA Ramalingeswara Rao

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May 31, 2010, 1:06:28 AM5/31/10
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As per ASME Sec II part C, E7018 electrode impact test up to minus 30 degrees C. You can use E7018-1 for  minus 46 degree C.
 
Regards,
 
K.Ramalingeshwara rao.

On Sun, May 30, 2010 at 9:17 PM, Vijay <k.vij...@gmail.com> wrote:

Vijay

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May 31, 2010, 11:53:26 AM5/31/10
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Dear All,
Can we use E7018-G electrode??

Regards,
Vijay

raghura...@gmail.com

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May 31, 2010, 9:09:19 PM5/31/10
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General (G classified) electrodes are brand specific, can't be used as just E XXXX-G, pl verify mfr datasheet, if it gaurantees impact enegy @ desired temperature, you may use, but specific to that brand name only.

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From: Vijay

AGUSTIN JIMENEZ

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Jun 2, 2010, 4:05:55 PM6/2/10
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Yes you can use E-7018-G it have more element that 7018-A1 , I dont see major problem.
 
 
Agustin 


De: Vijay <k.vij...@gmail.com>
Para: material...@googlegroups.com
Enviado: lun, mayo 31, 2010 11:23:26 AM
Asunto: Re: [MW:5323] Electrode for SA516 Gr.70 Material.

N VENKATESWARA PRASAD

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Jun 3, 2010, 12:55:12 AM6/3/10
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E 7018 G  properties will be one manufctuerer to another manufacturer as  G stands for custome made specification to suit purchaser requirement.

pankaj abhang

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Jun 3, 2010, 1:12:53 AM6/3/10
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Dear Agustin,
 
There is no need to use E-7018-G as Impact testing at -46 degree C.You can use AWS/SFA 5.1 E 7018-1 Electrodes.
 
 
 
Pankaj

kannayeram gnanapandithan

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Jun 6, 2010, 1:52:12 AM6/6/10
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with latest addenda(2009) of asme section ix, if u go with G and brand, u can not change over to another brand name for which u require requalification of ur procedure
It is better go with std classified electrodes ,and E7018-1 can be used for -46 celcius
kgp

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