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Material Heat Conductivity Modules

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CALCULATOR MODULE : ASME B31.5 Refrigeration Piping Allowable Stress   ±

Calculate ASME B31.5 refrigeration piping allowable stress (S), yield stress (SYT) and tensile stress (SUT) from the design temperature.

Stress values are calculated from temperature using Table 502.3.1 (US values). Change units on the setup page. For temperatures below the data range, the stress value is constant (fracture toughness should also be considered for low temperature operation). For temperatures above the data range the stress values can either be constant value for the end point, constant slope from the end point, or zero from the end point. Engineering judgement is required to use extrapolated values above the data range.

Use the data plot option to plot the allowable stress versus temperature for the selected material. Use the Data Table option to display the data table in the popup window. Use the Result Table option to display a table of allowable stress versus material type. Refer to the help pages for notes on the data tables. Use the workbook ASME B31.5 data tables to look up allowable stress data.

Reference : ANSI/ASME B31.5 : Refrigeration Piping And Heat Transfer Components (2013)

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CALCULATOR MODULE : ASME B31.5 Refrigeration Piping Minimum Temperature For Impact Testing   ±

Calculate ASME B31.5 refrigeration piping minimum temperature for impact testing from wall thickness and material type.

For carbon steel materials with a minimum temperature letter designation, the minimum temperature for testing can be calculated according to table 523.2.2 (curves A, B and C).

If the maximum stress is less than the design stress, the impact testing temperature can be reduced according to figure 523.2.2 using the stress ratio (the ratio of design tensile streess over allowable stress). Use the hoop stress calculator to calculate the hoop tensile stress. Use the flexibility calculators to calculate longitudinal tensile stress. Use the workbook ASME B31.5 data tables to look up minimum temperature and letter designation data.

Reference : ANSI/ASME B31.5 : Refrigeration Piping And Heat Transfer Components (2013)

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CALCULATOR MODULE : Velocity Of Sound In A Solid   ±

Calculate the velocity of sound in a solid.

The speed of sound in a solid is calculated from the solid density and bulk modulus.

`a = √(K / ρ) `

where :

a = speed of sound
K = bulk modulus
ρ = density

The bulk modulus can be calculated from the elastic modulus and Poisson's ratio, or from the speed of sound in the solid.

`K = a^2 ρ `
`K = E / (3 (1 - 2 γ )) `

where :

E = elastic modulus
γ = Poisson ratio

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DATA MODULE : Material Thermal Expansion Coefficient ( Open In Popup Workbook )   ±
DATA MODULE : Material Heat Transfer And Thermal Capacity ( Open In Popup Workbook )   ±
DATA MODULE : ASME B31.1 Power Piping Thermal Expansion ( Open In Popup Workbook )   ±

Thermal expansion coefficient data for ASME B31.1 power piping (Table B SI values).

Thermal expansion (mm/m) is measured from a base temperature of 68 F or 20 C. Use the ASME B31.1 thermal expansion calculators (see link below) to interpolate thermal expansion data values, calculate thermal expansion coefficient, or calculate thermal expansion from a different base temperature.

Reference : ANSI/ASME B31.1 : Power Piping

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DATA MODULE : ASME B31.3 Process Piping Thermal Expansion ( Open In Popup Workbook )   ±

Thermal expansion coefficient data for ASME B31.3 process piping (Table C SI values).

Thermal expansion (mm/m) is measured from a base temperature of 68 F or 20 C. Use the ASME B31.3 thermal expansion calculators (see link below) to interpolate thermal expansion data values, calculate thermal expansion coefficient, or calculate thermal expansion from a different base temperature.

Reference : ANSI/ASME B31.3 : Process Piping (2018)

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DATA MODULE : ASME B31.5 Refrigeration Piping Allowable Stress ( Open In Popup Workbook )   ±
DATA MODULE : ASME B31.5 Refrigeration Piping Elastic Modulus ( Open In Popup Workbook )   ±

Elastic modulus data for ASME B31.5 refrigeration piping (Table 519.3.2 SI values).

Use the ASME B31.5 elastic modulus calculators (see link below) to interpolate the US data values, or to convert the US data values to SI units.

Reference : ANSI/ASME B31.5 : Refrigeration Piping And Heat Transfer Components

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DATA MODULE : ASME B31.5 Refrigeration Piping Thermal Expansion ( Open In Popup Workbook )   ±

Thermal expansion coefficient data for ASME B31.5 refrigeration piping (Table 519.3.3 SI values and US values).

Thermal expansion (in/ft or mm/m) is measured from a base temperature of 70 F or 20 C. Use the ASME B31.5 thermal expansion calculators (see link below) to interpolate thermal expansion data values, calculate thermal expansion coefficient, or calculate thermal expansion from a different base temperature.

Reference : ANSI/ASME B31.5 : Refrigeration Piping And Heat Transfer Components

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DATA MODULE : ASME B31.5 Refrigeration Piping Refrigerant Safety Classification ( Open In Popup Workbook )   ±
DATA MODULE : ASME B31.5 Refrigeration Piping Minimum Temperature For Impact Testing ( Open In Popup Workbook )   ±
DATA MODULE : Soil Properties : Density Uplift Coefficient Shear Strength And Friction Factor ( Open In Popup Workbook )   ±

Soil properties, soil density, uplift coefficient, shear strength and friction factors.

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