API graphs Extrapolation

[enlightenme]

Dear All,

The graphs in API 1102 only provides line size upto 42" OD? How do I get the values of Pipes of above 42"? It is clearly written in the specification Extrapolation is not recommended. If anyone has some idea about this please help me.

kindly

Enlightenme

 

[zdas04]

What is API 1102 and what parameter are you trying to extrapolate?

David

 

[BigInch]

API RP[/] 1102 Steel Pipelines Crossing Railroads and Highways


We will design everything from now on using only S.I. units ... except for the pipe diameter. Unk. British engineer