Difference between ASTM and API pipes

[N VENKATESWARA PRASAD]

Hi,

 

Any body can tell what is major differences between ASTM and API pipes.  Whay we can not use A 106 Gr.B in  place of API 5L Gr. B.  Why ASTM spec. pipes are not used for pipe lines.  Is there any supply conditions are diffrerent or test required are different.

 

please share your ideas.

 

Regards

 

N.V. PRASAD

Welding engineer, Velosi

[Suresh]

Prasad,

 

It is all depends on design criteria and strength.API 1104 code is specially made for pipelines .If you see deeply ,there is not much difference between them .Ex: chemical & mechanical properties are bit same.

 

Regards

 

Suresh

 

91 9292905905.

 

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Thanks  & Best Regards,

Suresh

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