- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables.
Specific variables
These variables are component specific
Calculated Values
Scope errors
Errors
Remarks
Calculation errors
Warnings
- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables.
Specific variables
These variables are component specific
Calculated Values
Scope errors
Errors
Remarks
Calculation errors
Warnings
- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables.
Specific variables
These variables are component specific
Calculated Values
Scope errors
Errors
Remarks
Calculation errors
Warnings
- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables.
Specific variables
These variables are component specific
Calculated Values
Scope errors
Errors
Remarks
Calculation errors
Warnings
- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables.
Specific variables
These variables are component specific
Calculated Values
Scope errors
Errors
Remarks
Calculation errors
Warnings
- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables.
Design Pressure – P
Pressure assumed to be present in the component according to the design terms.
Design Temperature – T
Temperature assumed to be present in the component according to the design terms.
Material
Name of selected material used for the construction of the component.
Weld fitting option – W
Is the fitting welded
Specific variables
These variables are component specific
Outside Diameter – Do
Outside diameter of the attached part. The diameter runs from the outside of the wall to the opposite outside of the wall, through the center of the circle.
Nominal Thickness – tn
Thickness ‘as is’, meaning it is the design thickness taking into account corrosion and tolerance.
Corrosion – c
Amount of thickness that accounts for the possible effects of corrosions.
Tolerance – tol
Tolerance in thickness for production
Joint Efficiency – E
Effectiveness of the strength, depending on whether joints are seamless, welded, or expected to perform worse than the base material properties
Calculated Values
Allowable Operating Stress – S
Stress in the component at which it is still allowed (without failure) to use the component.
Allowable stress at 20 °C – Sa
Stress in the component at which it is still allowed (without failure) to use the component at 20 °C ambient temperature.
Minimum yield strength at 20 °C – Symin
Stress in the component at which the component starts to plastically deform at 20 °C ambient temperature.
Allowable stress test – St
Stress in the component at which it is still allowed (without failure) to use the component at testing condition.
Weld joint strength reduction – W
Factor by which the allowable strength is reduced in order to accommodate the reduction in strength in the welded joint.
Inside Diameter – Di
Outside Diameter − 2 × Thickness
Inside dish height – hi
Inside Diameter / 4
Spherical radius factor – K
1/6 (2 + (Di / (2 hi))2)
Nominal Required Thickness – trn
Based on the input, this is the calculated thickness that is required to sustain the loads. The nominal value should be smaller than the nominal design thickness.
Maximum Allowable Working Pressure – MAWP
The maximum pressure at which the component can be used in operation. This value should be larger than the design pressure.
Design margin – P/MAWP
Ratio of the design pressure to MAWP
Maximum Allowable Test Pressure – MATP
The maximum pressure at which the component should be tested and survive.
Required Test Pressure – Pt
Required hydrostatic pressure for testing at any point in the piping system.
Scope errors
Head thickness is out of scope: required is t ≥ 0.002 L
This code determines for heads a minimum thickness.
Errors
Can’t find material ‘MaterialName’ in database
Material could not be found in database. Select an existing material name, or select another material via the material selection window.
Insufficient head thickness.
Wall thickness is insufficient to bear the applied loads. Increase the wall thickness.
- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables.
Design Pressure – P
Pressure assumed to be present in the component according to the design terms.
Design Temperature – T
Temperature assumed to be present in the component according to the design terms.
Material
Name of selected material used for the construction of the component.
Weld fitting option – W
Is the fitting welded
Specific variables
These variables are component specific.
Outside Diameter – Do
Outside diameter of the attached part. The diameter runs from the outside of the wall to the opposite outside of the wall, through the center of the circle.
Nominal Thickness – tn
Thickness ‘as is’, meaning it is the design thickness taking into account corrosion and tolerance.
Corrosion – c
Amount of thickness that accounts for the possible effects of corrosions.
Tolerance – tol
Tolerance in thickness for production.
Joint Efficiency – E
Effectiveness of the strength, depending on whether joints are seamless, welded, or expected to perform worse than the base material properties.
Calculated Values
Allowable Operating Stress – S
Stress in the component at which it is still allowed (without failure) to use the component.
Allowable stress at 20 °C – Sa
Stress in the component at which it is still allowed (without failure) to use the component at 20 °C ambient temperature.
Minimum yield strength at 20 °C – Symin
Stress in the component at which the component starts to plastically deform at 20 °C ambient temperature.
Allowable stress test – St
Stress in the component at which it is still allowed (without failure) to use the component at testing condition.
Weld joint strength reduction – W
Factor by which the allowable strength is reduced in order to accommodate the reduction in strength in the welded joint.
Inside Diameter – Di
Outside Diameter − 2 × Thickness
Nominal Required Thickness – trn
Based on the input, this is the calculated thickness that is required to sustain the loads. The nominal value should be smaller than the nominal design thickness.
Maximum Allowable Working Pressure – MAWP
The maximum pressure at which the component can be used in operation. This value should be larger than the design pressure.
Design margin – P/MAWP
Ratio of the design pressure to MAWP
Maximum Allowable Test Pressure – MATP
The maximum pressure at which the component should be tested and survive.
Required Test Pressure – Pt
Required hydrostatic pressure for testing at any point in the piping system.
Scope errors
Head thickness is out of scope: required is t ≤ 0.356 L
This code determines for heads a maximum thickness.
Design pressure is out of scope: required is P ≤ 0.665 SE
This code determines for heads a maximum pressure.
Errors
Can’t find material ‘MaterialName’ in database
Material could not be found in database. Select an existing material name, or select another material via the material selection window.
Insufficient head thickness.
Wall thickness is insufficient to bear the applied loads. Increase the wall thickness.
- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables
Design Pressure – P
Pressure assumed to be present in the component according to the design terms
Design Temperature – Td
Temperature assumed to be present in the component according to the design terms
Material
Name of selected material used for the construction of the component
Weld fitting option – W
Is the fitting welded
Specific variables
These variables are component specific
Outside Diameter – Do
Outside diameter of the attached part. The diameter runs from the outside of the wall to the opposite outside of the wall, through the center of the circle.
Nominal Thickness – tn
Thickness ‘as is’, meaning it is the design thickness taking into account corrosion and tolerance.
Corrosion – Ca
Amount of thickness that accounts for the possible effects of corrosions.
Tolerance – tol
Tolerance in thickness for production
Joint Efficiency – E
Effectiveness of the strength, depending on whether joints are seamless, welded, or expected to perform worse than the base material properties
Length tangent to tangent – L
Length of the straight part of the pipe (equals the unsupported length of the pipe)
Calculated Values
Allowable Operating Stress – S
Stress in the component at which it is still allowed (without failure) to use the component.
Allowable stress at 20 °C – Sa
Stress in the component at which it is still allowed (without failure) to use the component at 20 °C ambient temperature.
Minimum yield strength at 20 °C – Symin
Stress in the component at which the component starts to plastically deform at 20 °C ambient temperature.
Allowable stress test – St
Stress in the component at which it is still allowed (without failure) to use the component at testing condition.
Weld joint strength reduction – W
Factor by which the allowable strength is reduced in order to accommodate the reduction in strength in the welded joint.
Nominal Required Thickness – trn
Based on the input, this is the calculated thickness that is required to sustain the loads. The nominal value should be smaller than the nominal design thickness.
Maximum Allowable Working Pressure – MAWP
The maximum pressure at which the component can be used in operation. This value should be larger than the design pressure.
Design margin – P/MAWP
Ratio of the design pressure to MAWP
Maximum Allowable Test Pressure – MATP
The maximum pressure at which the component should be tested and survive.
Required Test Pressure – Pt
Required hydrostatic pressure for testing at any point in the piping system.
Errors
Can’t find material ‘MaterialName’ in database
Material could not be found in database. Select an existing material name, or select another material via the material selection window.
Insufficient wall thickness
Wall thickness is insufficient to bear the applied loads. Increase the wall thickness.
- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables
Design Pressure – P
Pressure assumed to be present in the component according to the design terms
Design Temperature – Td
Temperature assumed to be present in the component according to the design terms
Material
Name of selected material used for the construction of the component
Weld fitting option – W
Is the fitting welded
Specific variables
These variables are component specific
Outside Diameter – Do
Outside diameter of the attached part. The diameter runs from the outside of the wall to the opposite outside of the wall, through the center of the circle.
Nominal Thickness dish and knuckle – tn
Thickness ‘as is’, meaning it is the design thickness taking into account corrosion and tolerance.
Nominal Inside Dish Radius – Ln
Nominal inside radius of the dish (large radius). Custom defined size for torispherical.
Nominal Inside Knuckle Radius – rn
Nominal inside radius of the knuckle (small radius). Custom defined size for torispherical.
Corrosion – Ca
Amount of thickness that accounts for the possible effects of corrosions.
Tolerance – tol
Tolerance in thickness for production
Joint Efficiency – E
Effectiveness of the strength, depending on whether joints are seamless, welded, or expected to perform worse than the base material properties
Calculated Values
Allowable Operating Stress – S
Stress in the component at which it is still allowed (without failure) to use the component.
Allowable stress at 20 °C – Sa
Stress in the component at which it is still allowed (without failure) to use the component at 20 °C ambient temperature.
Minimum yield strength at 20 °C – Symin
Stress in the component at which the component starts to plastically deform at 20 °C ambient temperature.
Minimum tensile strength at 20 °C – Sumin
Ultimate strength that the component can withstand.
Allowable stress test – St
Stress in the component at which it is still allowed (without failure) to use the component at testing condition.
Weld joint strength reduction – W
Factor by which the allowable strength is reduced in order to accommodate the reduction in strength in the welded joint.
Limited allowable torisherical operating stress – S
Stress in the component at which it is still allowed (without failure) to use the component.
Torispherical factor – M
M = 1/4 (3 + sqr(L/r))
Nominal Required Thickness – trn
Based on the input, this is the calculated thickness that is required to sustain the loads. The nominal value should be smaller than the nominal design thickness.
Minimum head thickness – ts
Minimum specified head thickness after forming.
Maximum Allowable Working Pressure – MAWP
The maximum pressure at which the component can be used in operation. This value should be larger than the design pressure.
Design margin – P/MAWP
Ratio of the design pressure to MAWP
Maximum Allowable Test Pressure – MATP
The maximum pressure at which the component should be tested and survive.
Required Test Pressure – Pt
Required hydrostatic pressure for testing at any point in the piping system.
Scope errors
Head thickness is out of scope: required is t ≥ 0.002 L
This code determines for heads a minimum thickness.
Errors
Can’t find material ‘MaterialName’ in database
Material could not be found in database. Select an existing material name, or select another material via the material selection window.
Insufficient head thickness.
Wall thickness is insufficient to bear the applied loads. Increase the wall thickness.
Remarks
Su(min) is lower than 70 000 psi (500 MPa), S = 20 000 psi (150Mpa) times ratio original S/Sa
The minimum tensile strength exceeds a limit. The allowable stress is limited by a correction factor.
- Details
Input variables
Generic variables
These variables can be found in virtually all reports as input variables.
Design Pressure – P
Pressure assumed to be present in the component according to the design terms
Design Temperature – Td
Temperature assumed to be present in the component according to the design terms
Material
Name of selected material used for the construction of the component
Specific variables
These variables are component specific
Outside Diameter – Do
Outside diameter of the attached part. The diameter runs from the outside of the wall to the opposite outside of the wall, through the center of the circle.
Nominal Thickness – tn
Thickness ‘as is’, meaning it is the design thickness taking into account corrosion and tolerance.
Corrosion – Ca
Amount of thickness that accounts for the possible effects of corrosions.
Tolerance – tol
Tolerance in thickness for production
Infinite length – L′
The unsupported lenght of the shell is infitely long, meaning the external pressure can not collapse the shell.
Maximum unsupported length – L
Maximum length of the straight part of the pipe that is unsupported.
Calculated Values
Allowable Operating Stress – So
Stress in the component at which it is still allowed (without failure) to use the component
Yield strength at operating temperature – Sy
Stress in the component at which the component starts to plastically deform at 20 °C ambient temperature
Allowable Operating Stress thick shells – S
Stress in the component at which it is still allowed (without failure) to use the component
Allowable buckling stress thin walled or thick walled shell – B, B′
Maximum compressive stress causing instability in the structure.
Modulus of Elasticity – E
Tendency to deform (tensile strain) along an axis when opposing forces (tensile stress) are applied along that axis.
Maximum Allowable Pressure – Pa
The maximum pressure at which the component can be used in operation. This value should be larger than the design pressure.
Errors
Can’t find material ‘MaterialName’ in database
Material could not be found in database. Select an existing material name, or select another material via the material selection window.
Remarks
Restricted unsupported length: L = x mm
The unsupported length is restricted to a maximum: L ≤ L′
Yield strength taken as: Sy = 2 B′
This is applicable for thick walled shells with unknown yield stress according ASME II part D table Y-1.
Calculation errors
Can't calculate maximum unsupported length for external pressure.
The shell has insufficient strength to determine the unsupported length.