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Restriction for sum1 of V+Nb+Ti and sum2 of Cr+Mo+Cu+Ni 1
- Thread starter MoReSo
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In API 5L, sum 1 is less than, or equal to 0.15%. Sum 2 appears to be the additional requirement of an end user.
Steve Jones
Corrosion Management Consultant
All answers are personal opinions only and are in no way connected with any employer.
Steve Jones
Corrosion Management Consultant
All answers are personal opinions only and are in no way connected with any employer.
- Thread starter
- #3
Thank you SJones for the answer.
moreover, I want to know that the how much more restrictive these two sums can be; this is for the reason that if they are more restrictive, we may loose many vendors as they cant supply.
I have seen 0.07=V+Nb+Ti and 0.7=Cr+Mo+Cu+Ni in European standards such as EN10216 while in API they are much wider.
moreover, I want to know that the how much more restrictive these two sums can be; this is for the reason that if they are more restrictive, we may loose many vendors as they cant supply.
I have seen 0.07=V+Nb+Ti and 0.7=Cr+Mo+Cu+Ni in European standards such as EN10216 while in API they are much wider.
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