Calculating MAWP on a Historical Boiler

Calculate Maximum Pressure on Stayed Surface:
Stay Bolt spacing geometry:
Stay Bolt Pitch (inches):
Stayed Surface Thickness (inches):
Known Tensile Strength
MAWP (PSI):  

Calculate Maximum Pressure on Barrel:
Barrel Joint Type:
Barrel Diameter:
Barrel Thickness (inches):
  Known Tensile Strength
Barrel MAWP (PSI):