ASME B31.3 Allowances for Pressure and Temperature Variations

Although the Code does not use the term "maximum allowable working pressure," the concept is useful in a discussion of the allowances for...

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ASME B31.3 Background on Weld Joint Strength reduction Factors

The weld joint strength reduction factors added in the 2004 edition were based on those provided in ASME BPVC Section IH, Subsection NH....

ASME B31.3 Weld Joint Strength Reduction Factors

Weld joint strength reduction factors were added to ASME B31.3 in the 2004 edition. These apply at temperatures above 510°C (950°F), and...

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ASME B31.3 Allowable Stress

The Code provides allowable stresses for metallic piping covered by the base Code and Chapter VHI (Category M) based on criteria listed...

ASME B31.3 Design Minimum Temperature

The design minimum temperature is required to determine the impact test requirements of ASME B31.3. As the temperature is decreased, the...

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