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This formula is set forth in ASME B31.3 para 304.1.2 , I am looking for API formula. By the way, S (Allwoable STress Value) must be selected as 0.8 X Minimum Yield strength or only Minimum Yield strength . please refer me to the clause of the code. tnx

What is the Maximum Allowable working pressure formula for the API pipe?

tnx for reply,i found a API sign on one section of equipment that endorsed by inspection body. so other sections have different materials and no stamps. what formula usually use for calculating MAWP?

Ok, let me tell you the story, there is a Test jig for for excavation purpose, it has 3 different pipe materials coupled together, nobody knows about the alloy , all we could measure are Wall thickness, Alloy types (PMI and Replication,hardness) and out side Diameter of pipes. Now, i am going to...

There is no datasheet, there is a piece of pipe we did PMI, replica, and hardness, and found it Incoloy alloy 825,no wi need to know Specified Minimum Yield Strength and relevant ASTM standrad. tnx

Pleaase let me know the Specified Minimum Yield Strength of Incoloy alloy 825 and kindly refer to the ASTM standard. tnx

I don't know the particular API, if i knew that i wouldn't ask here.

API and also i am not sure about formula P=(2*E*t*S)/(D-2*t*y) do u know the same formula used for API ?

Tnx for your useful information, in fact i am going to calculate Maximum safe working pressure for a peace of pipe(material is Incoloy alloy 825)I've got specified minimum yield strength and i don't know if i should put it on the formula or must multiply by a design factor?if so , what design...

What is the relationship between Specified Minimum Yield strength of the pipe and allowable stress value and which one must be considered in finding maximum allowable working pressure of the pipe?

Tnx, does ASME specifies and requirement for registeration?if so please refer to the ASME. tnx in advance.

What ate the Criteria for Registration of Pressure vessel manufactured to ASME Section VIII, Division 1? please refer to the specific clause of ASME. tnx.

Design calculations were done as per ASME Section VIII, Div 1 but stamp of the name plate is not ASME,different code.

A pressure Vessel (Bulk Storage Tank P=45 PSI)has been designed and fabricated as per ASME Sec VIII Div.1 but in name plate specified with different Code. What is the best action to be taken for verification of design calculation?

So, I just want to know how PV elite can calculate dome depth without all parameters like knuckle radious and ..., it only asks for dome Diameter, dome thickness and dome type and gives you H.

I don't know the supplier of the head, i just have drawing.

Guys, just small problem with using this formula, If I have only Diameter and Thickness of the Torispherical head as it mentioned in drawing, how can i find other parameters to put them inside the formula?

Could you please explain term of Triaxial tensile stress?

Thanks guys, can you possibly let me know the address of the formula in ASME?

Hi, please let me know whether the following formula is correct for depth of Torispherical head or not. h=L - Sqrt( ( L - Di / 2) * ( L + Di / 2 - 2 * r ) )