Dear Friends,

Here I put some queries what we had checked with CODE 31.3 2012.

1)Clause 302.3.5 - Allowable Displacement Stress Range.

Sc = 138 MPA & Sh =138 MPA.

Also, mentioned as "MAXIMUM".

== The Value of SC & Value of SH were not given in code 2010.

== Does it affect to allowable SA?

== Do we have to input any value in CAESAR?

SA = f(1.25Sc+0.25Sh)
= 1.2 (1.25 * 138 + 0.25 * 138)
= 248.4 MPA

Is this Maximum Value?

== From Where these values are derived based on Yield or Tensile?

2) Clause 319.3.6

Stress Intensification Factors may be developed in accordance with ASME 31J.

== Request if any one expert has some overview/idea how to calculate SIF based on 31J, please share here.

3) Clause 319.2.3

(c) Average Axial Stress - for Buried,core-jacketed etc.

== This point has been added in 2010 for checking Axial
Stresses, however it has been removed from ASME Code 2012.

== Does it mean now all calculations need to consider Axial Stress (all piping)?


Friends, wishes to have a reply / suggestion here.

Regards
SND.