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Production and Capital Cost Estimation 61
Table 2.11 Cost Correction Factors for Shell-and-Tube Heat Exchangers
—Design, Materials, and Pressure (Source: Reference 13.)
Material Correction Factors
Surface Area, ft 2
up to 100 100-500 500-1,000 1,000-5,000 5,000-10,000
Material
Shell/Tube
CS/CS" 1.00 1.00 1.00 1.00 1.00
SS/SS 2.50 3.10 3.26 3.75 4.50
CS/SS 1.54 1.78 2.25 2.81 3.52
a. Carbon steel shell/carbon steel tubes
Pressure Correction Factors
Pressure, psig up to 150 up to 300 up to 400 up to 800 up to 1,000
Pressure Factor 0 0.10 0.25 0.52 0.55
Design Correction Factors
Heat-Exchanger Type Design Factor
Floating Head 1.00
Fixed Tube Sheet 0.80
U-Tube 0.85
Kettle Reboiler 1.35
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