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Hot Bending Copper Pipe

Reference data and engineering information about hot bending copper pipe for material properties applications.

hotbendingcopperpipe

Overview

Engineering reference data for Hot Bending Copper Pipe in material science and properties.

Key Formulas

Stress

σ=FA\sigma = \frac{F}{A}

Force per unit area.

Strain

ε=ΔLL0\varepsilon = \frac{\Delta L}{L_0}

Change in length per original length.

Hooke's Law

σ=Eε\sigma = E \varepsilon

Stress proportional to strain in elastic region.

Thermal Expansion

ΔL=αL0ΔT\Delta L = \alpha L_0 \Delta T

Length change due to temperature.

Variables

SymbolDescriptionUnit
σ\sigmaStressPa
ε\varepsilonStrain
EEYoung's modulusPa
α\alphaThermal expansion coefficient1/°C
ΔT\Delta TTemperature change°C

Hot Bending Temperature Ranges

The following table shows the recommended temperature ranges for hot bending various copper and copper alloy pipes and tubes. Proper temperature control is essential to achieve successful bends without cracking, wrinkling, or metallurgical damage.

6 rows
Temperature ranges for hot bending copper and copper alloy pipes and tubes
Copper or Copper Alloy
Temperature Range(°F)
Temperature Range(°C)
Copper deoxidized1400 – 1600760 – 871
Copper silicon1300 – 1600704 – 871
CuNi 70/301700 – 2000927 – 1093
CuNi 80/201600 – 1900871 – 1038
CuNi 90/101400 – 1800760 – 982
Red Brass1450 – 1600788 – 871

Source: engineeringtoolbox.com

Temperature Conversion

To convert between Fahrenheit and Celsius temperature scales:

T(°C)=59(T(°F)32)T_{(°C)} = \frac{5}{9} \left( T_{(°F)} - 32 \right)

Example: For copper deoxidized at 1400°F1400\,°F:

T(°C)=59(140032)=760°CT_{(°C)} = \frac{5}{9} \left( 1400 - 32 \right) = 760\,°C

References