UNI EN ISO 13704 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - CALCULATION OF HEATER-TUBE THICKNESS IN PETROLEUM REFINERIES
03-16-2023
03-26-2009
Foreword
1 Scope
2 Terms and definitions
3 General design information
3.1 Information required
3.2 Limitations for design procedures
4 Design
4.1 General
4.2 Equation for stress
4.3 Elastic design (lower temperatures)
4.4 Rupture design (higher temperatures)
4.5 Intermediate temperature range
4.6 Minimum allowable thickness
4.7 Minimum and average thicknesses
4.8 Equivalent tube metal temperature
4.9 Component fittings
5 Allowable stresses
5.1 General
5.2 Elastic allowable stress
5.3 Rupture allowable stress
5.4 Rupture exponent
5.5 Yield and tensile strengths
5.6 Larson-Miller parameter curves
5.7 Limiting design metal temperature
5.8 Allowable stress curves
6 Sample calculations
6.1 Elastic design
6.2 Thermal-stress check (for elastic range
only)
6.3 Rupture design with constant temperature
6.4 Rupture design with linearly changing
temperature
Annex A (informative) - Estimation of remaining
tube life
Annex B (informative) - Calculation of maximum radiant
section tube skin temperature
Annex C (normative) - Thermal-stress limitations
(elastic range)
Annex D (informative) - Calculation sheets
Annex E (normative) - Stress curves (SI units)
Annex F (normative) - Stress curves (USC units)
Annex G (normative) - Derivation of corrosion fraction
and temperature fraction
Annex H (informative) - Data sources
Bibliography
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