I appreciate if somebody help me about how Caesar II get Allowable code stress. My concern is because when i see the following stress report i donīt know how is possible that the stress give so low. Moreover knowing that the schedule of the pipe is less than the required by internal pressure.

*** CODE COMPLIANCE EVALUATION PASSED ***
Highest Stresses: (lb./sq.in.)
CodeStress Ratio (%) is 18.7 at Node 210 LOADCASE: 10 (SUS) W+P2
Code Stress: 6571.6 Allowable: 35100.0
Axial Stress: 23881.6 @Node 1028 LOADCASE: 1 (HYD) WW+HP
Bending Stress: 8753.0 @Node 2150 LOADCASE: 7 (OPE) W+T1+P1-U2
Torsion Stress: 1190.1 @Node 200 LOADCASE: 12 (EXP) L12=L8-L10
Hoop Stress: 49025.0 @Node 29 LOADCASE: 1 (HYD) WW+HP
3D Max Intensity: 53226.7 @Node 290 LOADCASE: 1 (HYD) WW+HP