Loading of Tube

Load Steps

Pressure Run

Remarks

Step 1

Autofrettage pressure applied (650 - 1425 MPa)

One event

Step 2

Release autofrettage pressure (0.0 MPa)

Pressure cycle

Step 3

Cycle pressure applied (410 or 510 MPa)

Step 4

Release test cycle pressure (0.0 MPa)