{
  "purpose": "Analytical teaching data; not a saved SOL project or newly executed runtime result",
  "basis": "ER64 straight-pipe test inputs plus explicitly constructed 200 mm hemispherical end and pressure-change study",
  "units": {
    "length": "mm",
    "pressure": "MPa",
    "stress": "MPa",
    "temperature": "°C"
  },
  "outsideDiameter": 200,
  "nominalThickness": 5,
  "negativeTolerance": 0.3,
  "corrosionAllowance": 0,
  "formingAllowance": 0,
  "temperature": 120,
  "operatingStrength": 218,
  "operatingFactor": 1.5,
  "testStrength": 260,
  "testFactor": 1.05,
  "weldFactor": 1,
  "operatingPressure": 0.1,
  "testPressure": 0.2,
  "changedOperatingPressure": 0.15,
  "loadCases": "ER64 evaluates operation and test. ER07 constructed hemisphere shown for operation only. Branch, external pressure and attachment tasks are separately scoped."
}