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2.2.6.3 Specifying Design Code Data

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1) Choose Input>EN 13445-3 Input or click EN 13445-3 Input button .  The EN 13445-3 Input dialog box appears.

 

 

2) In the Component Selection group box, choose EN 13445 Unwelded component.

 

3) In the Select Material Database group box, choose EN material radio button.  In the EN Material group box, click EN 10028 Flat products radio button.  In the Steel Name drop-down menu, choose P355GH 60<t<=100.  Recall that the tube thickness is 80 mm, hence select 60<t<=100 thickness is selected.

 

 

In the Fatigue Curve Type group box, check Constant amplitude loading radio button.

 

 

The fatigue curve for the selected material can be plotted by clicking Plot fatigue curve button.  You can zoom, print or export the chart, or change the styles of the chart by clicking the buttons on the tool bar.  Click X button on the upper-right corner to close the window.

 

 

3) Surface condition of the shell is that peak-to-valley height Rz = 200 μm.  In the Surface condition drop-down menu, choose Rolled or extruded Rz = 200 μm.

 

 

4) Enter shell wall thickness 80 mm and stress concentration factor 1.0.

 

 

5) In the Plasticity Correction Factor group box, choose Mechanical origin, because the stress is driven by fluid pressure loading.

 

 

Click OK to return to home window.

 

 

 

 

 

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