Wednesday, August 25, 2010

Re: [MW:6711] Reg Range of Amperage in WPS

CASE 1 is applicable for SAW/GMAW/FCAW
For SMAW : To a value not recommended by manufacturer

 
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--- On Wed, 25/8/10, ayys4u <ayys4u@gmail.com> wrote:

From: ayys4u <ayys4u@gmail.com>
Subject: [MW:6707] Reg Range of Amperage in WPS
To: "Materials & Welding" <materials-welding@googlegroups.com>
Date: Wednesday, 25 August, 2010, 7:04 PM

Dear All,

Can any one help me!

PQR Qualified with an amperage of min 350 and max 550.
As per AWS D1.1, Allowable Variation in Amperage for WPS  is 10 %.
How should i consider this 10%.

Case 1
Should i Consider lesser 10 % lesser to  PQR's Min Amperage and
Greater side 10 % to the max PQR Amperage.

Case 2
Or Should i consider 10% min max of Average of PQR Value.

Which case is correct?

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