Tuesday, June 21, 2011

Re: [MW:11410] Correct Answer need

Dear All,
 
Correct Answer is
 
(a)    Weldability aspects
 
From API 577

10.9.1 Metallurgy and Weldability


One tool has been developed to help evaluate the weldability

of carbon and alloy steel and that is the carbon equivalent

(CE) equation. The CE calculates a theoretical carbon content

of the metal and takes into account not only carbon, but also

the effect of purposely added alloying elements and tramp

elements. Several different equations for expressing carbon

equivalent are in use. One common equation is:
 
CE= C+Mn/6 + ( Cr+Mo+V)/5 +( Si+Ni+Cu) /15
 
Regards,
SAIFULLA

On Sun, Jun 19, 2011 at 11:41 AM, javed iqbal <jvd_qbl@yahoo.com> wrote:
Dear all,
Nedd answer of followin detail.
Thanks
Javed
 
   Carbon equivalent values are useful to determine:
 
(a)    Weldability aspects
(b)   Crack sensitivity aspects
(c)    Typical mechanical properties
(d)   All of the above
 

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